Grayscale PDF
Convert a color PDF to black and white (grayscale).
Drop your file here
Pages are converted to images, so text is no longer selectable in the result.
How to use Grayscale PDF
- 1
Choose a file (.pdf) or drop it into the box.
- 2
Adjust the options to suit your needs.
- 3
Click “Grayscale PDF” and download the result: pdf.
Your documents are processed entirely inside your browser. They are never uploaded to PDF100 or any third party, so Grayscale PDF is suitable for confidential files. Read our privacy policy.
Grayscale PDF questions
Is Grayscale PDF free?
Yes. Grayscale PDF on PDF100 is free with no account, no watermark and no daily limit. The site is supported by advertising.
Are my files uploaded when I use Grayscale PDF?
No. Grayscale PDF runs entirely inside your browser tab. The file is read and processed on your device and the result is saved straight to your downloads, so no copy reaches our servers.
Which files does Grayscale PDF accept?
Grayscale PDF accepts .pdf. The result is: pdf.
Is there a file size limit?
There is no fixed limit set by PDF100. Because processing happens on your device, the practical limit is your browser memory. Very large files work best on a desktop computer.
Does Grayscale PDF work on my phone?
Yes. Grayscale PDF works in current versions of Chrome, Safari, Edge and Firefox on desktop and mobile. Large documents are faster on a computer.
Are there any limitations?
Pages are converted to images, so text is no longer selectable in the result.
Related guides
More edit & annotate tools
- EDT
Add page numbers
Number your pages with a custom format and position.
- EDT
Add text watermark
Stamp a text watermark such as CONFIDENTIAL across your pages.
- EDT
Add image watermark
Place a logo or image watermark on every page.
- EDT
Add header & footer
Add running headers and footers with page numbers, dates or file names.
- EDT
Add text to PDF
Write text anywhere on your PDF pages.
- EDT
Add image to PDF
Insert a picture, logo or scanned signature onto your pages.
- EDT
Add stamp
Stamp APPROVED, PAID, DRAFT or a custom label onto pages.
- EDT
Add QR code
Add a scannable QR code with a link or text to your PDF.