Watermark Image Tool
Add text watermarks to JPG, PNG, and WebP images online for free. Everything runs directly in your browser.
Last updated: 2026-04-13
What is Watermark Image Tool?
This free watermark tool lets you add text watermarks to JPG, PNG, and WebP images directly in your browser. It is useful for copyright text, brand names, website names, sample labels, and social media image protection. You can adjust font size, opacity, color, and position. Since everything is processed locally, your files are not uploaded to an external server.
Where Watermark Image Tool fits best
Watermark Image Tool is part of the image-preparation stage. It is most useful when you need to adjust how an image looks or behaves before publishing, sharing, or continuing with another step.
These small edits matter more than they look. A quick resize, crop, or cleanup step often makes the final file much easier to use.
A simple editing workflow
It usually helps to make visual changes first and worry about final file size or format afterward.
Keeping the original untouched and working from copies gives you a safer workflow when you are preparing multiple versions.
Helpful reminders
- Check whether the destination has dimension or file-size limits before you start.
- If you plan to do more than one edit, visual cleanup usually comes before compression or format conversion.
- Keep the original image untouched so you can reuse it later.
- Review the final result on the type of screen where people will actually see it.
How this tool fits the workflow
How to Use
- Upload an image file
- Enter your watermark text
- Adjust font size, opacity, color, and position
- Select an output format if needed
- Click Add Watermark and download the result
FAQ
Are my images uploaded to a server?
No. Everything is processed locally in your browser, so your files are not uploaded to an external server.
Can I add an image logo watermark?
This version supports text watermarks. The structure is easy to extend later for image logo watermarks.
Can I adjust opacity?
Yes. You can control how visible the watermark is with the opacity slider.
Does it work on mobile devices?
Yes. It works on phones, tablets, and desktop browsers that support modern web features.