Are my files uploaded — Watermark PDF?

No. Processing runs locally in your browser and the input is not sent to our server.

Is this tool free — Watermark PDF?

Yes. The core tool is free and does not require an account.

The tool stops before processing and shows the applicable safety limit. Split the batch or use a smaller file.

PDF©

PDF

Place a text watermark across PDF pages without uploading.

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Drop files here or choose from your device✓ Files stay in this browser

PDF · 10 files · 50 MB each · 200 MB or 500 pages per batch

Watermark textOpacity: 20%

✓ Your data stays on your device✓ Free · no sign-up✓ Runs locally