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Grayscale PDF

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Render every page in grayscale to make a smaller, print-friendly black-and-white PDF. Ideal for cheap printing or e-ink readers.

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Drop files here or click to browse

Pages are rasterised in your browser at the chosen scale, then converted to grayscale JPEGs and packed into a new PDF.

🔒 100% Private

Files never leave your browser. No upload to any server.

⚡ Instant

Processing runs locally on your device. No queues, no waiting.

🆓 Free Forever

No signup, no watermarks, no limits. Use as many times as you like.

Frequently asked questions

Will the file size shrink?

Often yes — colour images become single-channel JPEGs which compress much smaller.

Is the original text still searchable?

Pages are rasterised, so the result behaves like a scanned document. Run OCR PDF afterwards if you need a text layer.