KonvortakAdd a text watermark to a PDF
Add a subtle watermark to every page in your PDF. Your files are not uploaded for processing.Add your mark to every page. It all happens on your phone.
- Up to 40 MB per PDF
- Up to 200 pages
- Original kept
Ready to download
Your files
Your results are available while this page stays open.
How to add a watermark
- Select a PDF.
- Enter your watermark text, up to 50 characters.
- Apply the watermark, then check its position, text and readability in the downloaded file.
Tool limits
Up to 50 characters. A watermark labels the document but does not prevent copying.
Up to 40 MB per PDF, 100 MB per operation and 200 pages. Encrypted PDFs and files with a detected signature structure are rejected.
Frequently asked questions
Does a watermark prevent copying?
No. It adds a visible label but does not prevent the document from being copied.
Will the watermark appear on every page?
Yes. This version applies the same text to every page.
What text should I use?
Use a short label that suits your document, such as “Draft”. Check that every character appears correctly.
Privacy and checking your results
All current operations run on your device. Keep your originals and check the downloaded file. Learn how your files and advertising are handled.
More tools
New features under evaluation
Not available in this version yet. Tell us what would help your work.