How to Add a Watermark to a PDF to Protect Your Work
Why freelancers, photographers and legal teams stamp drafts before sharing them, and how to do it without ruining readability.
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Security
Watermark PDF Without Registration
Plenty of online PDF tools ask you to create an account, verify an email address, or start a free trial before letting you use a single feature. My PDF skips all of that — there is no sign-up step anywhere in the process, for this or any other tool on the site.
- No registration required
- Files deleted automatically
- Works in any browser
Why This Matters
What Is a PDF Watermark Tool?
Plenty of online PDF tools ask you to create an account, verify an email address, or start a free trial before letting you use a single feature. My PDF skips all of that — there is no sign-up step anywhere in the process, for this or any other tool on the site.
A PDF watermark tool stamps custom text diagonally across every page of a document, at an adjustable size and transparency, without permanently altering the underlying content beneath it. The result is a document that visibly carries a label — "DRAFT," "CONFIDENTIAL," a company name — on every single page, in a way that is difficult to simply crop or edit out.
Step by Step
How to Watermark PDF Without Registration
1
Upload Your PDF
Drag in the document you want to watermark, or click to browse and select it.
2
Enter Your Watermark Text
Type the text you want stamped across every page, and adjust its font size and opacity.
3
Click Add Watermark
Our server stamps the watermark diagonally across every page, typically within seconds.
4
Download the Watermarked File
Save your PDF with the watermark applied consistently throughout.
Get Better Results
Tips
- Lower the Opacity for Legibility — A lighter, more transparent watermark keeps the underlying content fully readable while still being clearly visible.
- Increase Font Size for Emphasis — If the goal is to make the watermark impossible to miss, use a larger font size alongside a higher opacity.
- No account also means no saved history on our end — if you'll need a file again later, keep your own copy after downloading it.
- Because there's no login, there's also nothing to remember — no password to set or recover for this site.
Avoid These
Common Mistakes
- Uploading a file that is already password-protected without unlocking it first — most operations require an unencrypted starting file.
- Assuming a converted or compressed file replaces the need for the original — keep your source file until you have confirmed the result looks right.
- Not checking the 50 MB upload size limit before starting, then wondering why a very large scan fails to upload.
- Giving out an email address to a "free" tool that turns out to require signup — check for a visible upload area with no account wall before starting.
Frequently Asked Questions
Yes — enter any text you like, such as "DRAFT," "CONFIDENTIAL," your name, or a company label.
Yes — the same watermark is stamped across every page of the document in one operation.
Yes — adjust the opacity to make it more subtle or more prominent, and the font size to control how large it appears.
No — every tool on this site works immediately, with no sign-up, login or email address required.
No — there is no trial period and no account, because there is nothing to subscribe to in the first place.
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