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PDF · free web tool

Convert PDF to Black and White

Converts selected pages to grayscale or true black and white with adjustable threshold and contrast.

Open workspace Guide for this tool

Short answer

Converts selected pages to grayscale or true black and white with adjustable threshold and contrast. Input: PDF. Output: grayscale or black-and-white PDF.

Input, output & limitations

Input
PDF
Output
grayscale or black-and-white PDF
Limitations
Processed pages are rasterised; inspect fine text and the searchable layer after download.
File storage
DOKIVO does not provide file storage.

How to use it

  1. Choose your PDF file.
  2. Review pages or options in the Convert PDF to Black and White workspace.
  3. Start processing and keep the tab open until it finishes.
  4. Download the grayscale or black-and-white PDF result and verify it on your device.

Open the detailed step-by-step guide

If processing fails

Check the input format and the limitations above. The Help link in an error message opens the exact guide for this tool. Convert PDF to Black and White.

Frequently asked questions

Is Convert PDF to Black and White free?

Yes. This launch version has no payment or subscription. Bounded anti-abuse limits apply.

Is my file stored on the server?

No. DOKIVO does not provide file storage. Working files are deleted after the result is returned or a controlled error is handled.

What should I check before processing?

Processed pages are rasterised; inspect fine text and the searchable layer after download.

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