Watermark images and PDFs locally
Protect your images and PDFs with a customizable watermark, directly in your browser.
Your files stay private
None of your data is sent anywhere: your file and watermark are processed locally in your browser.
PNG, JPEG, WebP, or PDF — no size limit
Import an image or PDF to get started.
Your file stays in this browser. No file or watermark is uploaded.
A watermark without uploads
Import an image or PDF, customize your text, and download the result without sending your file to a server. Rendering happens in your browser with Canvas.
What can you use it for?
- ✓Identify a document before sharing it
- ✓Add a confidentiality notice
- ✓Prepare a visual for a website or social network
Watermark frequently asked questions
Is my image or PDF sent to a server?
No. The file and watermark text stay in your browser during processing.
Which formats are supported?
You can import PNG, JPEG, WebP images and PDFs up to 20 MB. A PDF page can be exported as an image or PDF.
Can I repeat the watermark?
Yes. Enable repetition, then adjust the text spacing and angle.