Watermark Your Files Privately
Add watermarks to images, videos, and PDFs without uploading them to a server.Your files never leave your device.
Why Choose SnapScan?
100% Private
All processing happens in your browser. Your files are never uploaded to our servers, ensuring complete privacy.
Fast & Efficient
Optimized for speed with client-side processing. No waiting for uploads or server processing.
Mobile Friendly
Works on all devices. Add watermarks on the go from your phone or tablet.
Our Watermarking Tools
Choose the right tool for your needs. All tools process your files locally without uploading them to any server.
Image Watermarking
Add text or image watermarks to your photos and graphics. Supports JPEG, PNG, and more.
Try it now →Video Watermarking
Add watermarks to your videos. Customize position, opacity, and size. Supports MP4, WebM, and more.
Try it now →PDF Watermarking
Add text or image watermarks to your PDF documents. Apply to single or all pages.
Try it now →Frequently Asked Questions
How does client-side processing work?
SnapScan uses modern web technologies like HTML5 Canvas and WebAssembly to process your files directly in your browser. This means your files never leave your device, ensuring complete privacy.
What file formats are supported?
For images: JPEG, PNG, WebP, GIF, and more. For videos: MP4, WebM, MOV, and AVI. For documents: PDF.
Is there a file size limit?
Since all processing happens in your browser, the file size limit depends on your device's memory. Generally, files up to 500MB should work fine on most devices.
Ready to Watermark Your Files?
Start using our free, private, and secure watermarking tools today.
Get Started Now