PDF to Grayscale

Convert every page of a colour PDF to neutral grayscale for printing and archiving.

PDF Runs client-side Free forever

About the PDF to Grayscale

PDF to Grayscale turns a colour PDF into neutral grayscale, saving colour toner on office printers and making scanned documents more archive-friendly. Every page keeps its original dimensions and aspect ratio.

How to use

Upload the colour PDF.
Press Convert to grayscale.
Download the resulting grayscale copy.

Benefits & key features

Instantly reduces colour toner consumption.
Ideal for reports, handouts and greyscale archive copies.
Preserves page size and layout.
All processing is browser-local.

Pro tip

The output is rasterised — text loses selectability. For text-preserving grayscale, use Adobe Acrobat's Preflight profile.

Why choose toolsfy for PDF tools?

Cloud-based PDF editors ask you to upload sensitive invoices, contracts or passport scans to servers you will never see — and then offer a "premium" plan to remove watermarks they added themselves. toolsfy turns that model upside down: every PDF operation on this page runs locally in your browser using the same modern Web APIs Chrome, Edge and Firefox ship with. Your file never leaves the device, no account is required, and there is no artificial cap on pages or size.

Common use cases

Lawyers and accountants cleaning up scanned bundles of evidence before a client meeting, without sending them through a third-party server.
University students assembling a single submission-ready PDF from multiple chapters, diagrams and reference pages — on a laptop with flaky campus Wi-Fi.
Small-business owners stripping metadata, rotating scans, or watermarking product manuals before sharing them publicly on their website.

Frequently asked questions

Are my PDF files uploaded anywhere?

No. Every operation happens inside this tab using the PDF-lib / pdf.js libraries loaded from a public CDN. The file bytes never travel to a toolsfy server.

Is there a file-size or page limit?

The only limit is your device's available memory. A mid-range laptop handles hundreds of pages comfortably; a phone handles smaller files well but may slow down past 50 MB.

Do I need Adobe Acrobat or any desktop software?

No. A modern browser is all you need. The output PDF is standards-compliant and opens in Acrobat, Preview, Foxit and every other mainstream reader.