Add Image Watermark
Free invisible image watermark embedding API. Quietly writes a custom marker into an image — invisible to the eye, yet able to survive the recompression and re-saving that social platforms apply. Accepts file upload, image URL, or Base64. Great for AIGC content provenance, copyright protection, and anti-theft. · AIGC image provenance, original-work copyright protection, anti-theft for assets, tracking distribution across social platforms, marking enterprise content assets, image source tracing · Add Image Watermark
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POST /watermark/embed - Add Image Watermark
Add an invisible watermark to an image. You give it a picture and a marker to write in, and it hides that marker in the image's pixels — nothing changes to the eye, but even after the image is resized, recompressed, or passed around between platforms, you can still read the marker back with the read endpoint.
Overview
The watermark survives common resizing, compression, and re-encoding, so it usually stays intact after the image is shared to other platforms or re-saved. It's a good fit for marking where an image came from, tracking distribution channels, or leaving a proof of ownership without altering how the image looks.