Image Watermark Tool — Add Text or Logo
Preview
Tip: choose “Free (drag)” and move the watermark with mouse/touch. Arrows = 1px, Shift+arrows = 10px.
Controls
Supported: PNG, JPEG, WebP, SVG (rasterized by the browser).
Repeat watermark
About this tool
This watermark tool works entirely on your device using the HTML5 canvas API—no uploads, no tracking of your images. It supports text or logo watermarks, corner or free placement, tiling patterns, and common export formats.
Frequently Asked Questions
What image formats can I export?
PNG (lossless), JPEG, or WebP. For transparency, use PNG or WebP.
Can I tile watermarks diagonally?
Yes—set a rotation (e.g., 30°) and enable Tiling. Adjust spacing to taste.
Is my data private?
Yes. This tool runs entirely in your browser; your images never leave your device.