Add Watermark
Add text or logo watermark to images. Customize position, size, and opacity. All processing happens 100% privately in your browser.
Add Watermark Tool
Add Watermark to Images
Protect your photos with text or logo watermarks. Customize position, size, and opacity. Free, private, no signup.
Drag & drop images here
or click to browse • paste (Ctrl+V) • up to 20 files
Accepts: .jpg,.jpeg,.png,.webp,image/jpeg,image/png,image/webp
Frequently Asked Questions
Why Use Our Add Watermark Tool?
100% Private
Images never leave your device. All processing in browser.
Lightning Fast
Process in milliseconds. No uploads or waiting.
No Signup
Use immediately. No account or email needed.
Batch Ready
Process multiple images at once.
How Add Watermark Works
Upload Your Image
Drag & drop, paste from clipboard, or browse to select your JPG, JPEG, PNG, WEBP images.
Adjust Settings
Use our intuitive controls to customize the add watermark process according to your specific needs.
Download Result
Get your processed image instantly. For multiple images, download all as a ZIP file.
Common Use Cases
Best Practices & Tips
Always preview results before finalizing
Keep original files as backups
Test on different devices and screens
Consider the specific use case when choosing settings
Balance quality with file size based on your needs
Pro Tip: Always keep original files as backups. While our tools are designed to be safe and reliable, having originals ensures you can reprocess if needed.
Technical Details
Supported Formats
.jpgPhotographs.jpegPhotographs.pngWith transparency.webpWeb-optimizedProcessing Technology
- 100% client-side
- Web Workers
- Canvas API
- Modern JavaScript
Related Tools
View All →Quick FAQ
Is my data safe?
100% processing in your browser. Images never uploaded.
File size limits?
Process up to 50MB per image. No daily limits.
Need an account?
No signup required. Use for free immediately.