Image Watermark Tool

Add text watermarks to images with control over position, size, color, rotation and opacity. Protect your photos before publishing — everything renders locally.

100% free No uploads Runs in your browser No signup

Add text watermark

Drop an image to watermark

Watermark text

Color

#ffffff

Font size: 4% of width

Opacity: 60%

The watermark is burned into the pixels — it survives screenshots and re-uploads. The soft shadow keeps light text readable on bright backgrounds.

How to use the Image Watermark Tool

1
Open the tool above — it is already running, no install or account needed.
2
Enter your input and adjust the options to match what you need.
3
Copy or download the result — everything was processed locally in your browser.

Private by design

This tool runs 100% inside your own browser using local JavaScript — your input never touches a server. That makes it instant, offline-capable in many cases, and private even for sensitive data.

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