Watermark your PDF
Drop a PDF and tell us the watermark text (like "CONFIDENTIAL" or "DRAFT") — get it stamped diagonally across every page in seconds. No settings, no software.
Quick, easy, reliable
Three steps between you and the file you actually wanted.
Upload your file
Drop any document, image, audio or video file straight into the chat. No account setup or folders to manage.
Ask to convert
Describe the result you want in plain English. There are no formats, codecs or settings for you to learn.
Send and wait
Our AI picks the right tools, runs the conversion, and hands your finished file back in seconds.
Add Watermark to PDF, answered
Common questions about watermarking PDFs.
Drop your PDF into the chat and say the watermark text you want (for example "CONFIDENTIAL"). The assistant stamps it across every page and gives back the watermarked PDF.
Yes. You can use it for free as a guest. Signing in raises your limits and lets you do more per day.
No — everything runs in your browser. There's nothing to download or set up.
Your file is only used for the task you asked for. We don't share it or use it for anything else.
Watermark your PDF
Drop your file above and get the result in seconds — free to try.
Add Watermark to PDF