Convert a PDF to grayscale
Drop the colour from a PDF, without uploading it.
Files never leave your device · No upload · Free
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Grayscale is often what you actually want: to save colour ink, to meet a submission that requires it, or to make a document look consistent. This tool converts your PDF to grayscale in the browser, so it is never uploaded.
How to convert a PDF to grayscale
- 1
Add your PDF
Drop in the colour document.
- 2
Convert to grayscale
The colours are turned to shades of gray on your device.
- 3
Download
Save the grayscale PDF.
Why convert on your device
Converting to grayscale in the browser keeps the document local, so nothing is uploaded just to drop the colour.
Frequently asked questions
Is my PDF uploaded?+
No. The conversion runs in your browser, so the file never leaves your device.
Will the text stay sharp?+
Yes, only colour is removed; text and lines stay crisp.
Can it make the file smaller?+
Often, since grayscale images can compress better. For a specific size, follow with Compress PDF.
Is it free?+
Yes, with no sign-up.