Grayscale PDF
Convert a colour PDF to grayscale to cut size and ink. Client-first with server fallback.
Private — browser firstPrivate by default: this runs in your browser whenever possible. Large files may use our servers, where they're encrypted and auto-deleted within an hour — never stored or logged.
Drop files, paste, or click to browse
Files are processed in your browser — they never leave your device.
Add a file to continue.
How to grayscale pdf
Convert a colour PDF to grayscale to cut size and ink. Client-first with server fallback. To use Grayscale PDF: 1) add your file by dragging them in or clicking to browse, 2) choose your optimization settings, 3) download your result — done in seconds. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
Frequently asked questions
- Is Grayscale PDF free to use?
- Yes. Grayscale PDF is free to use. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
- Are my files safe and private?
- Completely. Grayscale PDF processes your file directly in your browser, so it is never uploaded to any server.
- Do I need to install anything?
- No. Grayscale PDF works in any modern web browser on Windows, Mac, Linux, iPhone and Android — nothing to install.