Watermark a
PDF.

Secure your documents with text watermarks like DRAFT, CONFIDENTIAL, or your own brand name. Customize position, opacity, color, and angle locally in your browser with no file uploads.

Input size

0 KB

Output size

0 KB

Saved

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🛡️ Private Local PDF Processing: Your files never leave your device and are never uploaded or saved. Disconnect your internet to test—this page works 100% offline.

Watermark PDF

Upload a PDF below to customize and apply secure text watermarks to all pages.

Drop PDFs here, or click to browse

Multiple PDFs supported

How it works

Upload one or more PDFs. Click any file in the queue to preview its pages below the controls.
Design your watermark. Enter your text, choose the font family and color, and adjust opacity, size, rotation, or margins. The same settings apply to all files.
Verify the look. The live previews show exactly where the text will print. Use low opacity (10-20%) for a subtle background watermark.
Click "Add Watermark & Download ZIP." All queued files are processed with the same settings and bundled into a single ZIP archive.

Common questions

Will the watermarked text overlap my content?

Yes, watermarks are intentionally drawn over the page content. You can adjust the opacity slider (e.g., to 10% or 15%) to make the watermark faint and see-through, keeping your document text fully legible.

Can I remove the watermark later using this tool?

No. Once applied, the watermark text is embedded into the PDF content stream. This makes it secure and difficult for others to remove, which is the purpose of watermarking. Keep a copy of your original file before applying the watermark.

Is my document uploaded to a server to apply the watermark?

No. Everything runs inside your browser. No files are uploaded, making it secure for sensitive documents.

Watermark a PDF.