Mark a document DRAFT, CONFIDENTIAL or with a client’s name before it goes out. Text or an uploaded logo, tilted or straight, in front of the content or tucked behind it, on every page or only the ones you name.
This takes a second on the first visit, then it is cached.
Drop in the PDF.
Type the text or add a logo, then set the angle and opacity.
Stamp it and download.
A determined person with the right software can remove almost any visual watermark. It marks provenance and discourages casual reuse; it is not a lock. Combine it with Protect if you need to restrict what can be done with the file.
No. Watermark PDF runs entirely inside your browser using WebAssembly and the Canvas API — the bytes of your document never travel to us. The only thing that reaches our servers is a counter incrementing by one, and whatever you deliberately choose to save to your library.
Yes: three documents a day, up to ten pages each, with no account and no watermark. Beyond that, Baker is $10 a month for 300 documents with no page limit at all, and Bakery is $25 for 1,500.