Place a logo, signature, or brand mark on one image or a complete batch.
Add a logo image or signature with precise control over scale, position, opacity, rotation, shadow, and margins. Use a single corner mark or tile the logo across the full image.
Preview the actual composition before export, then apply the same mark to up to 20 images without uploading the source photos or logo.
JPG · PNG · WebP · up to 20 files · 50 MB each
No. Everything runs locally in your browser using the Canvas and File APIs. Your files are never uploaded to a server, and nothing is stored after you close the page.
A transparent PNG usually gives the cleanest result, but JPG and WebP watermark images are also supported.
Yes. Up to 20 images can receive the same logo watermark settings and be downloaded together as a ZIP.
Yes. Choose a grid or diagonal tiled pattern and adjust the spacing for broader coverage.
No. ImgTf exports a new watermarked image and leaves the original file unchanged.