PDF to Grayscale Remove All Colors

Convert a color PDF to black and white. Reduces file size and printing costs. Free, no upload.

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Drop your PDF here

or click to browse — up to 100 MB

0 / 1 filesMax 100MB per file

Frequently Asked Questions

The output PDF uses rasterised images so the size may be comparable or slightly larger than the original. For size reduction, use Compress PDF after conversion.

The layout and text will be preserved visually. Colors are converted using standard luminance formula (NTSC weights), giving natural-looking grays.

Yes. The tool renders each page to a canvas and applies grayscale transformation pixel-by-pixel, regardless of whether the original was vector or scanned.

No. Everything runs in your browser. Your file never leaves your device.