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Folio

Add a watermark to a PDF

Stamp a text watermark across every page. Choose the text, size and opacity.

Drop your PDF here

Processed on your device. Nothing is uploaded.

How it works

  1. 1Add your file
  2. 2Adjust the options
  3. 3Download the result

Related tools

Page numbers

Number pages with a clean, consistent footer.

Edit PDF

Add text, dates and notes anywhere on a page.

Sign PDF

Draw or type your signature and place it on the page.

Belgium · Peppol mandatory since 1 January 2026

Freelancer or small business in Belgium or France?

Keep using your own invoice template. Folio handles the structured part.

Convert an invoice

Questions