Bulk Watermark Images
1 Upload Photos 0 / 50
Drop images here or click to upload
Supports JPG, PNG, WebP · Max 50 files
Try with Sample Images
Loading...Use these built-in examples to test watermarking quickly.
2 Watermark Settings
Drop logo(s) here or click to upload
PNG with transparency works best · Multiple logos supported
3 Preview
Upload an image to see a live preview
Processing 0 of 0 images...
Watermarked Images
All processing happens in your browser. Your photos never leave your device.
Logo or Text
Upload multiple logo images (PNG with transparency works best) or add custom text as your watermark.
Flexible Placement
Place watermarks as a repeating tiled pattern, in a specific corner, or centered. Adjust rotation and spacing.
100% Private
All processing happens in your browser using Canvas API. Your photos are never uploaded to any server.
Frequently Asked Questions
Yes, completely free. No signup, no account, no limits on daily usage. Process up to 50 photos at a time.
Yes. All processing happens in your browser using the HTML5 Canvas API. Your files are never uploaded to any server.
You can use PNG, JPG, WebP, or SVG images as logo watermarks. PNG files with transparent backgrounds produce the best results. You can also use plain text with customizable font, size, and color.
Repeat places the watermark in a tiled, diagonal pattern across the entire image. This is the most effective protection against unauthorized use, as it cannot be easily cropped out. You can adjust the rotation angle and spacing between tiles.
Yes. You can upload multiple logo images and all of them will be applied as watermarks to each photo. This is useful if you need both a company logo and a photographer credit on each image.
Need Automatic Watermarking at Scale?
This free tool is great for small batches. For events with 1,000+ photos, 9pic Stamp automatically watermarks every photo during upload with AI-powered smart placement.