CheckThisFile
Check and mark your files

CheckThisFile · Free · No account

Watermark a PDF

Add your name, a recipient or a usage notice with a translucent mark.

Your file stays in your browser.

This is a visual notice: it can be removed and does not prevent copying, photographing or AI training. It does not prove authorship. If the file was already registered, register the marked copy as a new version.

PDF: up to 50 MiB and 499 pages. Comparison: up to 50 MiB per file.