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Add Watermark to PDF (Text or Custom Logo)

Protect your PDF documents by stamping custom text watermarks or your company logo image (transparent PNG, JPG, WebP, or SVG). Choose placement (center, header, footer, or tiled mosaic), adjust opacity and rotation 100% locally in your browser.

Select a PDF file to add a watermark

Drag & drop your PDF here or click to browse files

100% in-browser: your PDF and logo images never leave your local device.

How it works

1

Select or drag & drop the PDF file to apply a watermark.

2

Choose your watermark type: Text (enter custom text or quick presets) or Logo / Image (upload your brand file).

3

Configure placement (center, corners, or tiled grid), size, rotation angle, and opacity with live page preview.

4

Optionally specify a starting page number to keep the cover page clean.

5

Click 'Apply Watermark & Download PDF' to save your stamped document immediately.

Frequently asked questions

Is it really free?

Yes. The site is supported by ads, so you never pay or need to create an account.

Can I upload a transparent company logo?

Yes. Transparent PNGs, JPGs, WebP, and SVGs are fully supported, preserving alpha transparency over your document content.

Will the underlying PDF text remain readable?

Yes. Watermarks are rendered with semi-transparent opacity (e.g. 15% to 25%), preserving text readability.

Can I position the logo in the header or footer?

Yes. Choose between Center, Top-Left/Right (header), Bottom-Left/Right (footer), or Tiled Mosaic repeating across the sheet.

Does it work on mobile?

Yes. The page adapts to your screen and does not require installing any app.