A normal copy-and-paste workflow pulls text out of its original position. Headings move, tables break, images lose their captions, and the translated text may be longer or shorter than the source. SuperTool’s new Translate PDF Online tool is designed to avoid that rebuilding work by translating the PDF itself and preserving the original page structure as closely as possible.

Why PDF Translation Often Breaks Formatting

A PDF is a finished page, not a flexible word-processing document. Text may be stored in many small blocks with exact coordinates, while pictures, lines, form fields, and tables sit on separate layers. When text is copied into a translator, those relationships disappear.

Language length adds another challenge. A short English phrase may become much longer in Spanish or German. A long sentence may become compact in another language. Even an accurate translation can wrap differently, change spacing, or overflow a tightly designed text box.

How to Translate a PDF and Keep the Layout

1. Open the SuperTool PDF translator.
2. Upload a PDF up to 20 pages and 20 MB.
3. Let the tool detect the source language automatically, or choose it yourself.
4. Select the language you want for the translated document.
5. Translate the file and compare the original and translated first-page previews.
6. Download the result and review important details before using it.

The output is a clean translated PDF. SuperTool does not add a “machine translated” stamp, vendor label, or watermark to the document.

Which PDFs Work Best?

Text-based PDFs generally produce the best results. Letters, reports, brochures, instructions, handouts, and many business documents are good candidates. If you can select the words with your cursor, the PDF probably contains the text needed for translation.

Image-only scans are different. A photograph of a page does not necessarily contain machine-readable text. Optical character recognition may be needed before translation. Dense tax forms, unusual fonts, handwriting, complicated tables, and pages with tiny text boxes also require more careful review.

How Accurate Is Automatic PDF Translation?

Modern automatic translation is often impressively useful, especially for understanding ordinary documents. It is still not perfect. Meaning can depend on context, specialized terminology, tone, or regional usage. A person’s name may look like a word that should be translated. Numbers and dates can have different conventions. A technically correct sentence may still sound unnatural to a native speaker.

That does not make automatic translation useless. It makes review part of the process. For everyday reading, an automatic translation may be exactly what you need. For legal, medical, financial, academic, safety-critical, or official documents, have a qualified person check the result. If an organization requires a certified translation, use a certified human translator.

What Should You Review?

• Names, addresses, identification numbers, and account numbers
• Dates, currencies, measurements, formulas, and totals
• Legal or technical terminology
• Text inside tables, narrow columns, or form fields
• Checkboxes, signatures, and handwritten entries
• Any sentence whose meaning affects an important decision

What About Fillable Forms?

Visible form-field values are baked into the page before translation so they appear in the output. This helps preserve what the user can see, but the downloaded document should be treated as a translated copy rather than a fully interactive replacement for the original form. Check every entered value and keep the original file.

Privacy and File Handling

PDFs are transferred over an encrypted connection, and temporary app files are deleted when the session ends. As with any online document service, upload only files you are authorized to process and use extra care with highly sensitive or regulated information.

Try the New PDF Translator

If your goal is to understand or share a PDF in another language without rebuilding every page, start with Translate PDF Online. Upload the document, choose a language, preview the result, and download the translated PDF.

You can also explore SuperTool’s full collection of online PDF tools for OCR, PDF conversion, color editing, compression, flattening, and more.

The post How to Translate a PDF Online Without Losing the Layout appeared first on Super Tool.

SuperTool’s Excel File Size Reducer can now shrink certain image-heavy EMFs while preserving the workbook around them.

What is an EMF image?

EMF stands for Enhanced Metafile, an older Windows image format commonly created by programs such as Microsoft Paint and older versions of Office.

Although EMF supports vector graphics, some EMF files are really containers holding a large, uncompressed bitmap. A screenshot or Paint object stored this way can consume much more space than an equivalent JPEG.

How SuperTool compresses EMF images

An .xlsx file is a ZIP package containing the workbook’s sheets, formatting, relationships, images, and other components.

When SuperTool finds a supported bitmap-based EMF, it extracts the image inside it, compresses that image as a JPEG, and updates Excel’s internal reference to the new file. It does not rebuild the spreadsheet or export only its data.

This means the workbook can retain its:

• Sheets and cell data
• Formulas and formatting
• Layout and drawing positions
• Embedded objects
• Other workbook components

If the EMF contains genuine vector artwork or does not match a supported structure, SuperTool leaves it unchanged.

Test results

In one workbook containing multiple EMF preview images, the updated downsizer produced:

• A 61.3% file-size reduction at JPEG quality 50

The workbook’s five sheets, XML components, and embedded OLE objects were preserved. One unsupported EMF, image12.emf, was passed through unchanged—as intended—instead of risking damage to the file.

For embedded Paint objects, the tool changed the large EMF preview image but retained the underlying OLE object. In other words, the visual preview became smaller while the embedded object data remained in the workbook.

Will this work with every Excel file containing EMFs?

It will work when an EMF contains the supported bitmap pattern, which is commonly produced by Windows applications, older Office software, screen-capture workflows, and embedded Paint objects.

It will not compress every possible EMF. True vector drawings, text, charts, and unfamiliar EMF structures may remain at their original size. This is intentional: when the tool cannot confidently extract the underlying bitmap, it preserves the original file instead.

The amount saved will therefore depend on how the workbook and its images were created.

When this feature is most useful

EMF compression may help when:

• An Excel file contains pasted screenshots or Paint objects
• The workbook is much larger than its visible data would suggest
• Ordinary JPEG and PNG compression does not reduce it enough
• You need to preserve the workbook’s formatting and structure
• You cannot email or upload the file because of a size limit

Try the Excel File Size Reducer

Upload your workbook to the SuperTool Excel File Size Reducer and choose the image-compression option.

After downloading the smaller workbook, open it in Excel and spot-check the images, formulas, data, and any embedded objects before replacing your original file. Keeping the original as a backup is always recommended.

The post How to Compress EMF Images in Excel and Reduce XLSX File Size appeared first on Super Tool.

SuperTool can handle the PDF as one batch. Upload a multi-page PDF, remove the background from each page, review the results, and then download the pages as images or rebuild them into one processed PDF.

Upload the PDF once

Start by uploading a PDF through SuperTool’s Background Remover.

The app separates the document into individual pages for processing. Each page appears in the batch gallery with its own page number, making it easy to follow the original document order.

A batch can contain up to 50 total images or PDF pages. For example, a 30-page PDF counts as 30 items.

You can also upload regular image files alongside PDF documents, provided the combined batch remains within the limit.

Let AI process every page

SuperTool prepares a preview of each page and then removes the backgrounds sequentially. The progress display shows which phase is running and how much of the batch is complete.

As individual pages finish, their gallery thumbnails update with the processed results. You do not have to wait for the entire PDF before beginning to inspect completed pages.

Select a page from the gallery to open a larger preview. The draggable comparison view lets you move between the original page and its background-removed version.

Apply one background across the document

After background removal, you can keep the pages transparent or place the isolated content on a new background.

Options include:

• Transparent
• Pure white
• Custom colors
• Light gray
• Black
• Cream
• Navy
• Green screen

A background change is applied across the processed batch, helping every page retain a consistent visual style.

For example, a PDF containing products photographed against different backgrounds can be converted into a collection with matching white pages. A collection of graphic assets can instead be exported with transparency.

Standardize every page or subject

If the subjects have inconsistent sizes or positions, turn on Standardize size.

SuperTool crops excess transparent space, resizes each subject proportionally, centers it, and places it on a square canvas. You can use a preset for product listings, social images, or high-resolution squares—or enter a custom canvas size and subject percentage.

This can transform a loosely assembled PDF into a more consistent visual collection.

Normalization is optional. Leave it off when you want to preserve each page’s existing dimensions and composition.

Choose the most useful download format

Once the pages have been processed, SuperTool provides several ways to retrieve them:

• Download the currently selected page as a PNG
• Download all processed pages as images in a ZIP file
• Reassemble the processed pages into a new PDF

The rebuilt PDF follows the original page order, eliminating the need to rename, sort, and recombine dozens of image files manually.

When should you use PDF background removal?

This workflow is most useful for image-oriented PDFs, including:

• Product catalogs
• Collections of product photographs
• Portfolios and lookbooks
• Contact sheets
• Presentation exports
• Collections of portraits or headshots
• Visual reference documents

SuperTool processes PDF pages as images. Therefore, this workflow is not intended to preserve editable text, clickable links, form fields, or other interactive PDF elements. It is also different from removing a watermark or deleting a PDF’s native background layer.

Use it when the visible content on each page is what matters and you want to isolate that content from its surrounding background.

One PDF in, flexible results out

Without batch processing, the workflow would involve extracting every page, opening each image in a background remover, downloading the results, sorting them, and creating a new PDF.

SuperTool combines those steps:

1. Upload the multi-page PDF.
2. Process every page automatically.
3. Review individual results in the gallery.
4. Choose a transparent, white, or custom background.
5. Optionally standardize canvas and subject sizing.
6. Download a ZIP of images or one rebuilt PDF.

The result is a practical bridge between PDF processing and image background removal—especially when an entire document needs the same treatment.

The post How to Remove Backgrounds From Every Page of a PDF appeared first on Super Tool.

SuperTool’s Batch Background Remover handles the complete job. Upload multiple images, remove every background automatically, choose a new background, standardize the canvas and subject size, and download the finished images together in a ZIP file.

Upload an entire batch

You can upload up to 50 images or PDF pages in one batch. Supported image formats include JPEG, PNG, WebP, HEIC, TIFF, GIF, BMP, SVG, AVIF, and more.

This is especially useful when you have:

• A new collection of product photos
• Marketplace listing images
• Employee or team portraits
• Design assets that need transparent backgrounds
• Photos supplied in several different dimensions and formats

Instead of repeating the same upload-and-download process for every file, add the entire group and let SuperTool process it as one job.

Follow every image as it is processed

SuperTool builds a gallery for the batch and displays processing progress as each background is removed.

Select any thumbnail to examine that image more closely. A draggable before-and-after comparison makes it easy to see what the AI removed and how the new result looks.

This is particularly helpful when a batch contains different kinds of subjects. You can quickly move between product photos, portraits, graphics, and other images without losing track of the overall job.

Choose the right background for the whole batch

A transparent background is ideal when you want flexible PNG cutouts for design work. But transparency is not always the finished product.

SuperTool also lets you place every subject on:

• Pure white
• A custom color
• Light gray
• Black
• Cream
• Navy
• Green screen

Changing the background updates the processed images across the batch. You can test different choices without uploading and removing the backgrounds again.

For product listings, white is often the most practical choice. Transparent results are better when the images will be reused in advertisements, presentations, websites, or other designs.

Make every product photo the same size

Background removal solves only part of the product-photography problem. A catalog can still look inconsistent when every subject has a different scale, position, or canvas size.

Turn on Standardize size to crop the transparent space around each subject, resize it proportionally, center it, and place it on an identically sized square canvas.

Available canvas presets include:

• Product listing: 2000-pixel square canvas with the subject occupying approximately 85%
• Social square: 1080-pixel square canvas with approximately 80% subject sizing
• High-resolution square: 3000-pixel square canvas with approximately 85% subject sizing
• Custom: Choose your own canvas dimensions and subject percentage

The original proportions of the subject are preserved. A tall product remains tall, and a wide product remains wide, but each image receives consistent spacing and placement.

For Amazon-style main product images, select the Product listing preset and choose a white background.

Download one image or the entire batch

When processing is complete, you can download the currently selected image as a PNG or download all finished images together in a ZIP file.

Original filenames remain recognizable, so it is easier to match the finished images with the source products or records.

A faster route to consistent product photos

The real benefit of batch processing is not simply removing several backgrounds. It is producing a complete set of images that belong together.

With one batch, you can:

1. Upload mixed image formats.
2. Remove every background.
3. Review the results in a visual gallery.
4. Choose a transparent, white, or colored background.
5. Standardize canvas and subject sizing.
6. Download everything in one ZIP file.

That turns background removal from a repetitive editing task into a reusable production workflow.

Try SuperTool’s Background Remover when your next project involves more than one image—and finish the whole batch together.

The post How to Remove Backgrounds From Multiple Images—and Standardize Them in One Batch appeared first on Super Tool.

Ask a 100-page contract about a termination clause. Ask a policy manual about vacation rules. Ask a research report about a specific statistic.

You’ll often get a confident answer—but then you’re left wondering:

• Which page was that on?
• Did the AI actually find it?
• Can I verify it myself?
• What if it’s wrong?

That’s why Document Agent was built around a simple idea:

Every important answer should be connected back to the original document.

A researcher built this app because of frustration with LLMs hallucinating and an inability to work alongside AI because of its blackbox interior. Document Agent isn’t perfect, no AI is. But because of the citation ability it speeds up verification. The citations aren’t perfect either (just like peer-reviewed research!), but a quasi-auditable process is better than what other tools provide.

Ask Questions. See the Evidence.

When you upload a document to Document Agent, you can ask questions in plain English:

• What is the cancellation policy?
• Who signed this agreement?
• What does the report say about absenteeism?
• How much was budgeted for transportation?

But instead of simply generating an answer, Document Agent attempts to provide supporting evidence from the source document.

The goal isn’t just to answer questions.

The goal is to help you verify them.

Clickable Citations

When Document Agent references information from a document, it can provide citations that link directly back to the source pages.

This means you can quickly move from an AI-generated answer to the underlying evidence without manually searching through dozens—or hundreds—of pages.

For long PDFs, this can save substantial time.

Instead of hunting for a paragraph buried somewhere in a report, you can jump directly to the relevant section.

Highlighted Source Passages

The most useful part isn’t the citation itself.

It’s the highlight (or multiple page numbers!).

When available, Document Agent can highlight the specific passage that supports an answer. Rather than opening a page and forcing you to search for the relevant text, the supporting evidence is visually identified for you.

This creates a much faster workflow:

1. Ask a question.
2. Read the answer.
3. Open the citation.
4. Verify the highlighted source passage.

The result is an experience that feels less like “trusting an AI” and more like “reviewing evidence.”

Why This Matters

Large language models are impressive, but they are not perfect.

Even advanced models occasionally misunderstand context, combine information incorrectly, or make unsupported inferences.

For casual conversations this may not matter.

For contracts, reports, policies, legal documents, research studies, financial records, and technical manuals, it matters a great deal.

Being able to inspect the original evidence helps users:

• Verify important claims
• Build confidence in answers
• Catch misunderstandings quickly
• Share supporting documentation with others
• Reduce time spent manually searching documents

Built for Trust

Many AI tools focus on making answers sound natural.

We think document AI should focus on making answers trustworthy.

That means preserving the connection between an answer and the source material that supports it.

Document Agent was designed with that principle in mind.

Because when you’re making decisions based on a document, seeing the evidence is often more important than getting the answer itself.

The post Why We Built AI That Shows Its Work appeared first on Super Tool.

The text may be too light, the background may be too dark, or the document may have been scanned with poor contrast. In other cases, you may simply want to reverse the colors to create a cleaner version for reading, printing, or annotation.

Fortunately, it’s possible to invert PDF colors in just a few seconds.

What Does It Mean to Invert PDF Colors?

Inverting colors means reversing the colors in a document.

For example:

• Black text becomes white
• White backgrounds become black
• Dark gray becomes light gray
• Light colors become dark colors

This is sometimes called:

• Reverse PDF colors
• Negative PDF
• PDF negative
• Reverse black and white PDF
• Invert scanned document

The result is a document with the opposite color scheme of the original.

Why Would You Invert a PDF?

There are several reasons people reverse PDF colors.

Improve Readability

Some scanned documents have poor contrast. Reversing the colors can make text stand out more clearly.

Create a Dark Mode Version

Many people prefer reading white text on a dark background, especially when viewing long documents on a screen.

Fix Difficult Scans

Some scanned documents contain faded text or unusual color combinations. Inverting the colors can make details easier to see.

Save a Large Print Job

Occasionally a PDF contains a dark background that consumes excessive ink or toner. Reversing the colors may create a more practical version for printing.

Accessibility and Visual Comfort

Some users find certain documents easier to read when the contrast is reversed.

Common Documents That Benefit from Color Inversion

You may want to invert colors in:

• Research papers
• Books and manuals
• Technical documentation
• Engineering drawings
• Historical scans
• Classroom handouts
• Court documents
• Contracts
• Medical records
• Photocopied documents

How to Invert PDF Colors

Using the PDF Color Editor is simple:

1. Upload your PDF.
2. Click Recolor Parts of a PDF.
3. If desired, switch to Greyscale mode.
4. Enable the Reverse option (click the checkbox on the lower left panel).
5. Preview the results.
6. Download the modified PDF.

The tool processes the entire document while preserving the layout and formatting.

Invert Colors vs. Clean White Mode

Not every PDF needs full color inversion.

If your document has a gray, yellow, or dirty-looking background, the Clean White slider may produce a better result.

Use Reverse When:

• The document has poor contrast.
• Dark areas overwhelm the page.
• You want a dark-mode version.
• You want to create a negative image.

Use Clean White When:

• The background is gray or yellow.
• The scan looks dirty.
• You want a cleaner printed document.
• You want to reduce toner or ink usage.

Many users experiment with both options to find the most readable version.

Can I Invert Colors and Change Colors at the Same Time?

Yes.

After reversing the document, you can also change colors.

For example:

• Convert black text to blue.
• Replace dark areas with another color.
• Create custom color schemes for printing.
• Produce documents that work around printer ink issues.

This can be particularly useful if your printer is out of black ink but still has color ink available.

Will Inverting Colors Affect Printing?

It can.

Before printing, review the preview carefully.

Some documents become significantly easier to print after color inversion, while others work better with the Clean White feature instead.

The best choice depends on the specific document and printer.

Frequently Asked Questions

Can I invert PDF colors online?

Yes. You can upload a PDF, reverse the colors, preview the results, and download the modified version without installing software.

What is a PDF negative?

A PDF negative is simply a PDF with inverted colors. Black becomes white, white becomes black, and other colors are reversed.

Can I invert a scanned document?

Yes. Inverting colors often works particularly well for scanned documents that have poor contrast or unusual backgrounds.

Can I reverse black and white PDFs?

Yes. Black-and-white PDFs are often excellent candidates for color inversion because the transformation is simple and easy to preview.

Try It Yourself

If a PDF is difficult to read, has poor contrast, or would benefit from a reversed color scheme, try inverting the colors and comparing the results.

Using the PDF Color Editor, click Recolor Parts of a PDF, switch to Greyscale, enable Reverse, and preview the transformed document before downloading.

The post How to Invert PDF Colors (Reverse Black and White PDFs Online) appeared first on Super Tool.

Fortunately, you can often remove unwanted background shading and restore a cleaner appearance in just a few seconds.

Why Does My PDF Have a Gray Background?

Many PDFs are created from scans of physical documents. During scanning, the scanner captures more than just the text:

• Paper texture
• Shadows from folds or creases
• Yellowing from aging paper
• Dust and scanner artifacts
• Light discoloration from photocopies

As a result, areas that should be pure white become light gray or off-white.

This is especially common with:

• School worksheets
• Legal documents
• Contracts
• Medical records
• Historical documents
• Government forms
• Photocopied paperwork

Why Remove the Gray Background?

A cleaner background provides several benefits.

Improved Readability

Dark text stands out more clearly against a white background. This can reduce eye strain and make documents easier to review.

Better Printing

Many printers reproduce light gray backgrounds even when they seem insignificant on screen. Removing those background pixels often produces cleaner-looking printouts.

Reduced Ink and Toner Usage

Gray backgrounds contain thousands or even millions of pixels that your printer may attempt to reproduce. Cleaning those backgrounds can significantly reduce toner and ink consumption.

Cleaner Copies and Scans

Documents often degrade after multiple rounds of scanning and copying. Removing background shading can help restore a more professional appearance.

How to Remove Gray Backgrounds from a PDF

One approach is to use a PDF editor and manually adjust each page. However, that can be time-consuming and often requires expensive software.

A simpler option is to use a PDF cleanup tool that automatically brightens the page background while preserving text and graphics. The SuperTool PDF Color Editor includes a Clean White slider that can remove gray, yellow, and off-white backgrounds in seconds.

The process is typically:

1. Upload the PDF.
2. Preview the document.
3. Increase the background-cleaning or “Clean White” setting.
4. Review the results.
5. Download the cleaned PDF.

The goal is to make the page background white while keeping text readable and sharp.

Can I Remove Yellow Backgrounds Too?

Yes.

Many older documents develop a yellow or beige appearance over time. Scanned copies of those documents often preserve that discoloration.

Cleaning the background can make old documents appear much closer to a modern digital original.

Common examples include:

• Old records
• Archived documents
• Library materials
• Historical forms
• Estate and legal paperwork

Can This Make a Scanned PDF Look More Professional?

In many cases, yes.

Removing unwanted background shading can make a document look:

• Cleaner
• More modern
• Easier to read
• Easier to print
• Better suited for sharing electronically

While it won’t recreate the original digital file, it can dramatically improve the appearance of many scanned documents.

What Types of PDFs Benefit Most?

The biggest improvements are often seen in:

• Black-and-white scans
• Photocopied documents
• Classroom handouts
• Contracts and agreements
• Government forms
• Receipts
• Court filings
• Instruction manuals
• Medical paperwork

Bonus: Change PDF Colors at the Same Time

Some PDF tools allow you to clean the background and change colors simultaneously.

For example, if your printer is out of black ink, you can:

• Remove the gray background
• Convert black text to dark blue
• Print using color ink instead of black ink

This can be particularly useful for shipping labels, forms, homework assignments, and other urgent documents.

Try It Yourself

If your PDF has a gray, yellow, or dirty-looking background, try cleaning it before printing. A cleaner background can improve readability, reduce ink usage, and make scanned documents look dramatically better.

Using the PDF Color Editor, click “Recolor Parts of a PDF”, switch to Greyscale, and adjust the Clean White slider until the background looks right. Note that clicking Reverse can change a mostly black to a mostly white document and vice-versa. Preview the results and download your cleaned PDF in seconds.

The post How to Remove Gray Backgrounds from PDFs (and Use Less Ink When Printing) appeared first on Super Tool.

Screenshots, product photos, scanned inserts, diagrams, and other embedded pictures can make an .xlsx file grow very quickly. A workbook that should be a few megabytes can easily become tens or hundreds of megabytes once images are added.

In these cases, the fastest way to reduce Excel file size is simply to compress the images inside the workbook.

The frustrating part is that most ways of shrinking Excel files are destructive. They often remove formatting, strip out images, or export only the raw data.

That works in some cases. But for many users, it is not acceptable.

People often want to keep the spreadsheet exactly as it is — the formatting, layout, formulas, and structure — and simply make the file smaller.

We recently added a new feature to the Excel File Size Reducer that solves exactly that problem.

The new feature: compress images while keeping the spreadsheet intact

If your Excel file is large mainly because of images, the tool can now detect that and offer image compression as the first option.

Instead of removing images or rebuilding the spreadsheet, the tool reduces the amount of storage those images require inside the workbook.

The spreadsheet itself remains intact.

That means the compressed file still contains:

• formatting
• highlights and colors
• formulas
• sheet structure
• layout
• charts and tables
• the images themselves

The images stay in the workbook — they simply take up less space.

Why Excel files become so large

Excel files are often bloated because images are inserted at very large resolutions.

For example:

• screenshots pasted directly from a monitor
• photos inserted from a phone or camera
• exported diagrams from PowerPoint or other software
• scanned documents embedded in worksheets

These images may be thousands of pixels wide even though they are displayed much smaller in the spreadsheet.

That mismatch can dramatically inflate the file size.

Compressing or resizing those images can reduce the overall file size significantly without changing how the spreadsheet looks in normal use.

What the tool does

When you upload an Excel file, the app analyzes the workbook to determine what is contributing to the file size.

If images account for a large portion of the file, the app can offer an image compression path designed to shrink those images while preserving the spreadsheet itself.

Depending on the settings you choose, the tool can:

• compress embedded images
• reduce the resolution of oversized images
• convert certain image formats to more storage-efficient formats

These changes reduce the amount of space required to store the images inside the Excel file while keeping the spreadsheet usable.

The workbook structure, formulas, formatting, and layout remain unchanged.

Two different ways to reduce Excel file size

The tool now supports two different reduction approaches, depending on what you need.

1. Compress images while preserving formatting

This option is best when the workbook is large because it contains photos, screenshots, or graphics and you want to keep the spreadsheet intact.

The images remain in the workbook, but their storage size is reduced.

This is often the fastest and least disruptive way to shrink a file.

2. Use a more aggressive reduction approach

For cases where maximum size reduction is needed, the tool still supports the original workflow.

That approach can:

• remove images entirely
• strip formatting and workbook extras
• keep only selected columns
• limit rows
• split large datasets into multiple files
• export to XLSX, CSV, or compressed CSV

This route produces a much smaller file but may remove visual elements from the spreadsheet.

Why this update matters

Previously, users often faced an uncomfortable choice:

• keep the spreadsheet intact but leave it large
• or aggressively strip the file down to the raw data

Many real-world spreadsheets fall somewhere in between. They are large primarily because of images, but users still want the workbook to remain visually intact.

The new image compression feature fills that gap.

For many spreadsheets containing screenshots, photos, or other visuals, reducing the size of those images can shrink the file dramatically while preserving the spreadsheet itself.

A better experience for image-heavy spreadsheets

The update also improves the user experience.

Instead of forcing users to guess why a file is large, the app can now recognize when images are a major contributor and guide users toward the most relevant solution.

This makes it easier to quickly reduce file size without trial and error.

Try it

If you have an Excel file that has become too large because of embedded images, the new compression feature may allow you to reduce its size significantly while keeping the spreadsheet intact.

Upload the file here and the tool will analyze what is making it large and offer the most appropriate reduction options.

In many cases, compressing the images alone is enough to make the file much easier to store, share, and open — without sacrificing the structure of the workbook.

The post Reduce Excel File Size by Compressing Images (Keep Formatting Intact) appeared first on Super Tool.

Many home printers will not print a shipping label if black ink is depleted, even if color ink is full.

The good news: you can convert your USPS label to a dark color and print it using color ink only.

Why Printers Won’t Print USPS Labels Without Black Ink

Most USPS labels are:

• Black text
• Black barcode
• Black tracking code
• Black address block

When black ink runs out, printers either:

• Print blank text
• Print faded barcodes
• Refuse to print entirely

This is especially frustrating if you just created your label using USPS Click-N-Ship from the United States Postal Service website.

Can USPS Accept a Blue Shipping Label?

Yes.

USPS scanners read contrast patterns — not color itself.

As long as:

• The barcode is dark
• The background is white
• The print is crisp

The label will scan normally.

Dark blue, navy, and deep green work well.

Avoid light colors.

How to Print a USPS Label Using Only Color Ink

Instead of buying a new cartridge immediately, you can:

1. Download your USPS shipping label PDF
2. Upload it to SuperTool’s PDF Color Changer
3. Select dark blue
4. Download the recolored PDF
5. Print normally

Because the document is no longer black, your printer uses color ink instead.

No editing software required.

Best Color Settings for USPS Labels

Recommended:

• Navy blue
• Dark green
• Deep purple

Not recommended:

• Yellow
• Light blue
• Pastel colors
• Gray

Always maintain high contrast.

When This Is Especially Helpful

• You’re shipping Priority Mail today
• You’re mailing a return package
• You’re printing a prepaid label late at night
• Stores are closed and you need to ship now

Instead of delaying shipment, you can print immediately.

Try It Now

If your black cartridge is empty but your color ink still works, you can:

Recolor your USPS shipping label PDF and print today.

The post How to Print a USPS Shipping Label Without Black Ink appeared first on Super Tool.

That’s where the SuperTool Color Changer comes in. It’s a simple online tool that lets you convert the color scheme of your PDF so that what would normally print in black will instead print in another color your printer still has ink for. 

Why This Helps for Shipping Labels

Shipping labels often include:

• Black text and barcodes
• QR codes
• Parcel tracking details
• Address information
• Carrier logos

These elements are designed to print crisp and readable — but they don’t have to be black to work. The SuperTool color changer replaces the black and grays in your PDF with your chosen output color (like dark blue, red, or green), letting you print labels using color cartridges only. 

That means:

Your printer doesn’t need black ink to finish the job

Barcodes and QR codes remain scannable

You don’t need complicated design software

It works with labels, forms, and other essential printables, not just shipping documents 

How It Works

1. Upload your PDF label — upload the file directly into the Color Changer tool on SuperTool. 
2. Pick a color — choose a replacement color that your printer still has ink for. Dark blue is a popular and reliable choice. 
3. Download the new PDF — the tool substitutes all black pixels with your selected color. 
4. Print it! — send it to your printer and complete your shipping without missing a beat.

Real-World Use Cases

People use this tool for things like:

• Shipping & return labels when black ink runs out 
• Packing slips & invoices for orders going out 
• Boarding passes, admission tickets, forms when quick printing is needed 
• Barcodes and QR codes that still scan correctly after color change 

And it’s not limited to shipping — any PDF with black text and graphics can be converted. 

Need help specifically with USPS? See our step-by-step guide for printing a USPS label without black ink.

Get Started Now

No downloads. No software installs. Nothing complicated.

Head over to SuperTool’s PDF Color Changer and turn your black-ink problem into a color solution. (Plus, preview before you print so you always know what you’re getting!)  

The post How to Print Shipping Labels When You’re Out of Black Ink (Use Color Instead!) appeared first on Super Tool.