Free Online Tool
Image Watermark Tool
Add a custom text watermark to a JPG, PNG, or WebP image.
Preview
Processing Result
The result will appear here.
Selected images are not uploaded to a server and are processed only in your browser.
How to Use
- Select an image file.
- Enter watermark text and choose position, size, color, rotation, and opacity.
- Review the preview.
- Download the watermarked image.
Examples
- Add a site name to blog images
- Add a copyright note to product images
Calculation and Conversion Notes
Image watermarking draws the source image onto a browser canvas and composites text at the selected position. Font size, color, rotation, and opacity are applied while drawing on the canvas. Selected images are not uploaded to a server.
FAQ
Is my image uploaded to a server?
No. It is processed only in your browser.
Can I change the watermark position?
Yes. Choose top-left, top-right, center, bottom-left, or bottom-right.
Can I adjust opacity and rotation?
Yes. Use the opacity and rotation settings.
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