ToolBoxPDF to Grayscale
Convert colour pages to black, white and grey to save ink.
Free · No signup · Files stay on your device
or drop a file here
How to use PDF to Grayscale
- 1Click the Select button and choose your file, or drag and drop.
- 2Press the PDF to Grayscale button.
- 3Download your result.
Your files stay private
Your file is processed on your own device. It is never uploaded to our servers.
Frequently asked questions
Is PDF to Grayscale free?
Yes. ToolBox is 100% free. No signup, no watermark, no daily limit.
Are my files uploaded to a server?
No. All work happens inside your browser on your own device. Your files never leave your phone or computer.
Does it work on mobile?
Yes, on Android, iPhone, tablets and desktop. Very large files can be slow on older phones.
What are the limits of PDF to Grayscale?
Pages are saved as pictures, so the text in the result can no longer be selected.
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