Image Watermark
Add text or image watermarks with adjustable position, opacity and size. Runs entirely in your browser.
Runs in your browser
Choose file
Choose an image
Drop an image, or click to browse
JPG / PNG / WebP · stamped locally, never uploaded
Watermark
Outline keeps it legible on any background
Position
Strength
0 = auto, about 4% of the image width
Preview
Pick an image and the watermark appears live
About this tool
Add text or image watermarks with adjustable position, opacity and size. Runs entirely in your browser.
How to use
- Fill in the input box above, or click "Fill sample" to try it instantly
- Adjust the options as needed — results update as you type
- Click "Run" to get the result, then copy or export it in one click
Tips
- Runs entirely in your browser — your data never leaves the device
- Completely free, no registration, no usage limits
- Most tools compute in real time as you type
- Maximum 96 MB per file — compress very large files before processing