Add ownership text
Watermark Image Online
Add a text watermark to images online. Control its size, opacity and position, then download your protected JPG, PNG or WebP image.
Choose an image
Drop a file here or choose one from your device.
Private browser processing · Maximum 50 MBBefore you start
What Watermark Image does and when to use it
A visible text watermark can identify a source, draft status or owner before an image is shared. ResizeImg provides five positions plus size and opacity controls, making it practical for quick review copies, portfolio previews and marketplace images.
Best for
Common uses
- Marking drafts and review images
- Adding a brand or ownership notice
- Labeling images before public sharing
Under the hood
How the browser processes it
Text size is calculated as a percentage of image width so it scales with the file. ResizeImg draws a dark outline followed by light text for contrast, applies the selected opacity and places the mark at a corner or the center before export.
Practical checklist
Tips for a better result
- Use enough opacity to remain visible after resizing
- Place the mark over detailed content when deterrence matters
- Check that the text is readable on both light and dark areas
Know the limits
What this tool cannot promise
A watermark is a visual deterrent, not digital-rights management, and a determined editor may remove it. The tool adds one text watermark rather than a repeated pattern or uploaded logo.
Simple workflow
How to watermark image online
- 01
Choose the image to watermark.
- 02
Enter text and choose size, opacity and position.
- 03
Apply the watermark and download.
Questions and answers
Watermark Image FAQ
Can a watermark guarantee protection?
No watermark is impossible to remove, but a visible mark can discourage casual reuse and identify the source.
Does ResizeImg keep a copy?
No. The watermark is drawn locally and the result remains on your device.