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Add text or logo watermarks to JPG, PNG, and WebP files locally.
Lower values make the watermark more subtle.
Applies to JPG and WebP outputs.
Percent of the image width used by the mark.
Add watermarks to images before publishing, sending proofs, sharing drafts, or uploading product photos. A visible watermark can show ownership, approval state, brand identity, copyright, or internal status.
This image watermark tool supports text marks, logo overlays, corner placement, centered marks, and tiled patterns. Batch processing helps when you need to protect multiple photos, screenshots, design previews, or marketplace images at once.
Everything runs in your browser using Canvas, so your original images do not need to leave your device.