Batch-add text or logo watermarks to any number of photos, right in your browser. Choose placement on a 3×3 grid, dial in opacity and margin, and export at full original resolution — nothing ever leaves your device.
This batch watermark tool runs entirely in your browser — no uploads, no accounts, no limits on how many images you process. Whether you need to add a copyright watermark to photos, brand a client gallery, or protect a portfolio from unauthorized use, you can drop in your files and export watermarked copies at their original resolution in seconds.
Yes — no signup, no watermark on the watermarker, no cap on how many photos you process.
No. Watermarking happens locally using your browser's Canvas API. Your images never leave your device.
Yes. Every export matches the exact pixel dimensions of its source file.
Yes. Select as many images as you like, apply once, and download everything together as a ZIP.
Yes. Switch to Logo mode, upload a transparent PNG, and control how much of the placement cell it fills.