Grayscale

PDF Grayscale Converter

Choose a PDF and the pages to convert, pick a render quality and download a grayscale copy. The conversion turns the chosen pages into images, so read the note below before you start.

Back

1. PDF & options

Local conversion

Pages
Pages are rasterised. Converted pages become images: the visible layout is kept, but selectable text, links, form fields and vector graphics stop working on those pages. Pages you do not select are copied unchanged.

2. Result

PDF
Choose a PDF to begin.

Everything happens in this browser tab. Password-protected or restricted PDFs are refused.

About this tool

About PDF Grayscale Converter

PDF Grayscale Converter turns all or selected pages of a PDF into grayscale. Each chosen page is rendered in your browser at Standard (150 DPI) or High (300 DPI) quality, converted to grayscale and placed back in a new PDF with the same page order and size. Unselected pages are copied unchanged.

Grayscale copies are useful for printing without colour ink, for consistent-looking archives and for submissions that ask for grayscale documents.

How to use

Step by step

  1. Choose a PDF file.
  2. Choose all pages or enter the pages to convert.
  3. Pick Standard or High render quality.
  4. Read the note about rasterisation, then press Convert.
  5. Watch the progress, then download the grayscale PDF.
Key features

What it offers

  • All or selected pages
  • Standard (150 DPI) and High (300 DPI) presets
  • Page order and visible page size preserved
  • Unselected pages copied without changes
  • Progress shown page by page
  • Clear errors for password-protected or damaged PDFs
Best practices

Tips for best results

  • Keep the original: converted pages are images, not editable text.
  • Use High quality for documents with small print.
  • Convert only the pages that need it to keep text elsewhere selectable.
  • Check the file size after conversion before emailing it.
Benefits

Why people use it

Ink saving

Print without colour.

Faithful layout

Pages look the same, minus colour.

Selective

Convert only the pages you choose.

Private

Processed in your browser.

FAQ

Common questions

Each selected page is rendered in your browser, every pixel is converted to its brightness (luma), and the grayscale image becomes the new page. Pages you do not select are copied unchanged.
Not on converted pages. They become images, so text selection, search, links, form fields and vector graphics no longer work there, although the page looks the same apart from colour.
Yes. The output has the same number of pages in the same order, and each converted page has the same visible size as the original, including rotated pages.
Standard renders at 150 DPI, which suits screens and everyday printing. High renders at 300 DPI for sharper print output but produces larger files and takes longer.
Yes. Choose Selected pages and enter pages and ranges such as 2-4, 7. If a PDF cannot be copied page by page, you will be asked to convert all pages instead.
No. PDFs that need a password, or that are encrypted with usage restrictions, are refused. Remove the protection in a PDF app first.
No. The PDF is opened and processed entirely in your browser. Nothing is uploaded, stored or sent, and Reset clears it from the page.

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Private by design

This runs entirely in your browser

No file or text you enter here is uploaded. Encoding and decoding happen on your device using native browser APIs — close the tab and nothing remains on a server.

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