Image Watermark | Add Text or Logo (Free, Local Processing)
Add customizable text or logo watermarks to your photos. Adjust position, opacity, rotation, and color — all processed instantly in your browser for full privacy.
How to Use This Tool
- 1
Upload one or multiple images
- 2
Choose watermark type: text or image logo
- 3
Adjust position, opacity, rotation, and color
- 4
Preview and apply to all images
- 5
Download individually or as a ZIP file
Use Cases & Examples
Copyright Protection
Add copyright marks or signatures to protect your photos.
Brand Identity
Add your logo or branding to product images and visuals.
Preview Marking
Add labels like DRAFT or SAMPLE to prevent misuse.
How Image Watermarking Works
Uses the HTML5 Canvas API to process images directly in the browser.
Text watermarks support custom fonts, colors, opacity, and rotation.
Image watermarks can be scaled, positioned, and blended with transparency.
All processing runs client-side for privacy, speed, and full control.
Frequently Asked Questions
Q.Is it safe to add watermarks online?
A. Yes. All processing is done locally in your browser; no files are uploaded.
Q.What watermark types are supported?
A. Both text and image (logo) watermarks are supported.
Q.Can I customize watermark style?
A. Yes. Adjust size, color, opacity, rotation, and position freely.
Q.Can I watermark multiple images?
A. Yes. Upload multiple images and apply the same watermark to all at once.
Q.Which image formats are supported?
A. PNG, JPG, JPEG, and WebP are supported.
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