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Watermark PDF stamps visible text across pages so draft or confidential status stays obvious — even in screenshots. Set wording, opacity, and rotation, preview a page, then apply to the whole file. Everyday watermarking runs in your browser; heavier jobs may use protected cloud processing with uploads deleted within two hours.
Apply watermarks that stay crisp on every page with clear text and sharp details. We balance file size against readability so your result stays usable for email, portals, and print.
Files transfer over encrypted connections. We never sell your documents. Working copies are wiped from our secure infrastructure within two hours.
Works in Chrome, Safari, Firefox, and Edge on Mac, Windows, iOS, and Android — no app install for the standard flow.
Drag and drop your file, or choose it from your device.
Pick your settings, or keep the recommended defaults.
Save the finished file to your device in seconds.
Zero long-term retention. Encrypted transfer and automatic deletion after processing.
Optimized for quick browser runs so you spend less time waiting on uploads.
No desktop software. Open the page, upload, and download from any modern browser.
When a job needs more power, secure remote processing kicks in without changing your steps.
Predictable outputs for the formats we support — ready for email, portals, and sharing.
Your files are not used for ads. See our Privacy Policy for retention and security details.
A determined editor might — combine with Protect PDF when the file is sensitive.
When the tool runs in your browser, your file stays on your device for that step. Cloud-assisted steps use encrypted transfer; those uploads are deleted within two hours. We do not sell your documents — see the Privacy Policy.
Yes. Open the page in Safari or Chrome, pick the file, set the stamp, and download. Large multipage files often feel smoother on a laptop.
Keep opacity moderate and preview at 100%. A light diagonal stamp usually stays readable on both screen and print.
Yes — add a free watermark to PDF online with no signup for standard use. Stamp CONFIDENTIAL or DRAFT, then download without an extra watermark on the file.