Add a watermark in a PDF on Mac

Stamp DRAFT, CONFIDENTIAL or your own text across pages. On Mac it runs in the browser, so there is nothing to install.

How to do it

1.Open mythospdf.com in Safari, Chrome, Edge or Firefox and drag the PDF onto the page.
2.Type the text and choose size, angle and opacity.
3.Download the PDF.

Tips for Mac

• ⌘B, ⌘U and ⌘K work while editing.
• No install and nothing to update.

What happens to the rest of the page

• The watermark is added as a layer; the original page content is not rewritten.
• Works on every page at once.

Questions people ask

+Can I remove a watermark later?

Keep the original file. Watermarks are added to the copy you download.

Other edits on Mac

Add a watermark on

Ready to fix your PDF?

Free, in your browser, and it takes about a minute. No account needed.