ToolNova

Grayscale PDF

Strip the color out of a PDF, useful for printing or reducing file size.

This tool rasterizes each page to apply the grayscale effect, so text will no longer be selectable in the output PDF.

Upload a PDF file

Drag & drop files here, or

Choose Files

Files are processed securely in your browser

How It Works

  1. 1Upload your PDF file.
  2. 2Click Convert to Grayscale.
  3. 3Every page is rendered and desaturated.
  4. 4Download the black-and-white PDF.

Features

  • Applies to every page automatically
  • Works on both text and image-based PDFs

Privacy

This tool runs entirely in your browser using WebAssembly and Canvas — your PDF is never uploaded to a server.

Frequently Asked Questions

Often it decreases, since grayscale images compress more efficiently than color ones — though pages are re-rendered as images either way.