Grayscale PDF
Convert a PDF to grayscale online for free. Turn color pages, images, and text into shades of gray to save ink when printing.
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How to Convert a PDF to Grayscale
Need a black and white version of a color PDF? ToolifyPDF converts PDF files to grayscale right in your browser: every color in your text, shapes, and images is turned into a shade of gray. It's the easiest way to save color ink before printing, or to send a document that must be in black and white. Text stays real text you can select and search, and files with color photos often get smaller. Convert one PDF or up to 30 at once, with no software to install and no account needed.
Every Color to Gray
Text, lines, shapes, and photos are all converted to shades of gray, so the PDF prints only with black ink.
Text Stays Text
The conversion keeps your text and vector graphics as they are, only without color. Text stays sharp, selectable, and searchable.
Convert 30 PDF Files at Once
Upload up to 30 PDF files, up to 200 MB each, rotate any that are sideways, and download them together in a ZIP file.
How to Convert a PDF to Grayscale
- Select Files: Click "Select Files" or drag and drop your PDF documents into the box.
- Review: Check the thumbnails and rotate any document that's sideways.
- Convert: Click "Convert" to turn your PDF files into grayscale.
- Download: Click "Download" to save your grayscale PDF. Several files are downloaded together in a ZIP file.
Convert PDF to Grayscale on Windows, Mac, iPhone, and Android
ToolifyPDF works in any modern browser. You can convert PDF files to grayscale on Windows, Mac, Linux, iPhone, iPad, or Android without installing software. It works in Chrome, Safari, Firefox, and Edge.
Why Convert PDF to Grayscale with ToolifyPDF?
Unlike desktop software like Adobe Acrobat that requires a paid subscription, ToolifyPDF lets you convert PDF files to grayscale online from any device, for free. Our grayscale PDF converter is perfect for:
- Saving color ink before printing long reports, slides, or course material
- Sending documents to offices or schools that require black and white files
- Checking how a document will look on a black and white printer or photocopy
- Making PDF files with many color photos lighter
- Giving a consistent black and white look to documents for archiving
FAQ
How do I convert a PDF to grayscale?
Upload your PDF to ToolifyPDF, click "Convert", and then click "Download". All the colors in the document are replaced with shades of gray, and you get a new PDF ready to print or share.
Is grayscale the same as black and white?
Almost. Grayscale keeps all the shades between black and white, so photos and colored areas stay readable as lighter or darker grays. A pure black and white file uses only black and white, with no grays in between. For printing and most forms that ask for black and white, grayscale is what you need.
Will the text stay sharp and selectable?
Yes. Text and vector graphics are converted without being turned into pictures, so they stay sharp at any zoom level, and you can still select, copy, and search the text.
Does converting to grayscale make the PDF smaller?
Often, yes. Color photos take more space than grayscale ones, so PDF files with many color images usually get lighter. For an even smaller file, run the result through Compress PDF.
Does converting to grayscale save printer ink?
Yes. A grayscale PDF only uses black ink, so your printer won't use its color cartridges for that document. You don't need to change any printer settings.
Can I convert several PDF files to grayscale at once?
Yes. Upload up to 30 PDF files and convert them all in one go. They are downloaded together in a ZIP file.
Can I convert a password-protected PDF to grayscale?
Yes. You'll be asked for the password when you add the file, and the PDF is converted once it's unlocked.
Is it free to convert a PDF to grayscale?
Yes. You can convert PDF files to grayscale online for free, with no account and no watermark. Each PDF can be up to 200 MB.
How do I convert a PDF to grayscale on Mac, Windows, or iPhone?
Open ToolifyPDF in Safari, Chrome, Edge, or any browser on your Mac, Windows PC, iPhone, or Android phone, upload your PDF, and click "Convert". You don't need Adobe Acrobat or any other software.
Can I convert images to grayscale too?
Yes. To turn JPG, PNG, or WebP photos into black and white, use Grayscale Image, our tool for images.
Advanced Features
Beyond basic conversion, our grayscale PDF converter offers several useful features:
- Full Conversion: Text, vector graphics, and images are all converted to gray.
- Real Text Kept: Text stays selectable and searchable in the grayscale PDF.
- Batch Conversion: Convert up to 30 PDF files at once and download them in a ZIP file.
- Rotate Before Converting: Turn any sideways document the right way first.
- Password Support: Convert password-protected PDF files.
- Same File Name: Each grayscale PDF keeps the name of the original file.
💡 Pro Tip
Before printing a long color document, convert it to grayscale and look at the result first. Light colors such as yellow or light green can become very pale gray, so check that highlighted text and charts are still easy to read.
Privacy & Security
We take your privacy seriously. All file uploads and processing happen over encrypted HTTPS connections. Your files are automatically deleted from our servers after one hour, and we never store or share your documents with third parties. You maintain complete control over your data at all times.
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