Free PDF Tools

Free PDF Tool

PDF to Grayscale
Convert to Black & White Free

Convert any coloured PDF to black and white (grayscale) instantly. Saves money on colour printing, reduces file size, and meets requirements of institutions that mandate black and white submissions. Each page is rendered in grayscale and rebuilt into a clean PDF. Runs entirely in your browser.

100% PrivateFile never leaves your browser
InstantUnlocks in under 3 seconds
Free ForeverNo signup, no payment
Works on MobileNo app download needed
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Common Uses

🖨️ Save Printing Costs

Print using only black ink cartridge — avoid expensive colour ink on reports and statements.

⚖️ Court Submissions

Many courts in India require black and white documents for filing.

📉 Reduce File Size

Grayscale PDFs are significantly smaller — easier to email and upload.

🏛️ Government Portals

Some government portals have file size limits — grayscale reduces size to fit.

Frequently Asked Questions

Why convert a PDF to grayscale?

Grayscale PDFs print cheaper on colour printers (uses only black ink), have smaller file sizes, and are required by some institutions and courts.

Will text remain readable after conversion?

Yes. Text, charts, and images remain fully readable — only the colour information is removed.

Does this reduce file size?

Yes, typically significantly. Removing colour information reduces the data required per page.

How long does conversion take?

Each page is rendered individually, so a 10-page PDF takes about 10–15 seconds. A progress bar shows the status.