Watermark a PDF in your browser
Watermark a PDF free and private. Stamp text like CONFIDENTIAL or DRAFT diagonally across every page right in your browser. No upload and no sign-up.
100% private — files never leave your deviceHow to use
- Upload your PDF. Select the PDF file you want to watermark from your device.
- Type your watermark text. Enter text such as CONFIDENTIAL, DRAFT, or your company name.
- Apply the watermark. The text is stamped diagonally across every page in semi-transparent grey.
- Download the result. Save the watermarked PDF straight back to your device.
Features
- 100% private. Your PDF is processed locally in your browser and never uploaded to a server.
- Stamps every page. The watermark text is applied diagonally across all pages automatically.
- Free with no sign-up. Add watermarks as often as you like with no account, email, or payment.
- Fast and simple. Upload, type your text, and download in seconds with no settings to wrestle with.
- Subtle grey overlay. The semi-transparent grey stamp marks pages without hiding your content.
When to use it
- Mark contracts or proposals as CONFIDENTIAL before sharing them
- Label early versions of a document as DRAFT to avoid confusion
- Stamp your company or author name across reports and handouts
- Flag internal files as private before distributing them to a team
- Add a SAMPLE or COPY mark to documents shared for review
Is it private?
Your PDF is processed locally in your browser and is never uploaded to any server.
Frequently asked questions
Is this PDF watermark tool free?
Yes, it is completely free. You can watermark as many PDFs as you like with no account, sign-up, or payment.
Are my PDFs uploaded to a server?
No. Your PDF is processed entirely in your browser and never leaves your device, so it is safe for confidential files.
What file format does it support?
It works with PDF files. You upload a PDF, add your text watermark, and download a watermarked PDF in return.
Can I choose what the watermark says?
Yes. You type any text you want, such as CONFIDENTIAL, DRAFT, or your company name, and it is stamped across every page.
What does the watermark look like?
Your text is placed diagonally across each page in semi-transparent grey, so it is visible without obscuring the underlying content.
Is the watermark added to every page?
Yes. The text watermark is stamped on every page of the PDF automatically.
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