image tool
Image Watermark
Add text or image watermarks to your images directly in your browser.
Upload Images to Watermark
Drag and drop image files here, or click to browse. Supports JPEG, PNG, WebP, and AVIF.
Watermark Images Online
Add text or logo watermarks to your images directly in your browser. Customize position, size, opacity, and rotation without uploading your files. All image processing is performed entirely locally within your web browser, ensuring lightning-fast performance and absolute privacy.
Features & Functionality
Batch Watermarking
Apply master watermark rules to multiple images instantly. Process dozens of photos all with a single click.
Text & Image Logos
Use custom text with adjustable fonts, colors, and styles, or upload your own transparent logo image to use as a watermark.
Format Conversion
Keep your original file format, or seamlessly convert your images to JPEG, PNG, WebP, or AVIF when exporting.
100% Private & Secure
Your photos never leave your device. All calculations, rendering, and encoding are handled securely by your browser's native engine. No images are uploaded to any server.