Can I control the watermark opacity?

Yes. You can adjust the opacity and rotation of the watermark text.

Will the watermark appear on all pages?

Yes by default. You can choose to apply it to specific pages.

No. Watermarking runs securely in your browser without uploading.

PDF utility

Add a text watermark to every page.

Choose the document that needs a watermark.

Choose a file to process.

Click or drag & drop

Only one PDF is needed. The file is processed locally in your browser.

Pick a short label that will appear diagonally across every page.

Text

Keep the label short. Long text may overlap page content.

Best for draft stamps, internal docs, and quick labeling.

Sibling tools

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Browse the full library of PDF, image, and dev tools — all free, no upload required.