Lay a logo or image as a watermark over your PDF - freely draggable on the live page preview, rotatable, optionally tiled. No upload.
Rendering page...
Running locally on your device ...
0%
Your files never left your device
No. Everything runs in your browser - your file never leaves your device. How this is verifiable
A company logo discreetly over every page, a "draft" stamp across a proposal or an ownership mark on confidential papers: with an image watermark you label your PDF quickly and consistently. This tool provides a real editor for that: your page appears as a preview, your image - a cut-out PNG or a JPG - sits semi-transparently on top, and you see every change instantly.
Drag the image freely with mouse or finger to where you want it - not just into a fixed corner. Rotate it steplessly via the rotate handle; pick opacity and size alongside (size scales relative to the page width, the aspect ratio is always preserved). For continuous protection enable tile mode, which repeats the image as a pattern across the whole page. If the document has several pages you can page through the preview and, if needed, limit the stamp via the page field.
Everything runs locally in the browser via pdf-lib: neither your PDF nor the watermark image leaves your device. Honestly framed: the image is drawn flat onto the page, it is not a removable layer object and not cryptographic protection - a determined recipient could in theory remove it. As a visible mark for origin, status or confidentiality it nonetheless does its job reliably. The tiled layout makes a clean removal harder, while the freely placed one stays more discreet.
| Input formats | |
|---|---|
| Output format | |
| Batch processing | No |
| Processing | Locally in your browser (JavaScript) |
| File upload | None |
Limitations: Lays an image (PNG/JPG) semi-transparently over the pages - freely draggable and rotatable, or tiled as a repeated pattern. Size relative to page width (small ~20%, medium ~33%, large ~50%), aspect ratio preserved. Can be placed in front of or behind the existing page content. With "tiled" the position is ignored. The image is drawn flat, not a cryptographic copy protection. Open password-protected PDFs first with "Unlock PDF".
No, both stay entirely local in the browser; nothing is sent.
Yes, drag it right on the page preview to where you want it and rotate it steplessly via the handle.
PNG or JPG; a cut-out PNG with a transparent background looks cleanest.
Yes, enter a page range like "1-3,5"; empty watermarks all pages.
No, it is a visible mark, not cryptographic protection - it can in theory be removed.