Add Watermark
Add text watermarks to images with customizable style and position.
Browser Processing Only (Offline Ready)
1
Upload your file
Drag & drop or click to select a file from your device.
2
Adjust settings
Configure options to get the result you want.
3
Download result
Get your processed file instantly. No waiting.
About This Tool
What is Add Watermark?
Add Watermark overlays customizable text watermarks on your images. Protect your photos and artwork with your name, brand, or copyright notice — with full control over font, size, color, opacity, and position.
Process multiple images at once with the same watermark settings for batch protection.
Common Use Cases
- Photography: Protect photos shared online with your name or logo
- Art Portfolio: Mark artwork previews to prevent unauthorized use
- Stock Images: Add watermarks to preview versions of stock photography
- Business Documents: Mark documents as DRAFT, CONFIDENTIAL, or SAMPLE
- Proofing: Send watermarked proofs to clients before final delivery
Privacy-First Image Watermarking
Watermarks are applied locally in your browser using the Canvas API.
- Your images never leave your device — your original photos stay private
- No server uploads or processing
- Works offline after the page loads
Related Tools
FAQ
Yes, select the 'Tile (Repeat)' position option to add repeating watermarks at an angle across the entire image.
Yes, use the opacity slider to control transparency from barely visible to fully opaque.
No. All processing happens entirely in your browser. Your data never leaves your device — nothing is uploaded to any server.
Yes. Once the page has loaded, the tool works completely offline. For the best experience, install PrivaDeck as a PWA from your browser.
There are no server-imposed limits. The maximum file size depends on your device's available memory and browser capabilities. Most modern devices handle files up to several hundred MB without issues.