Unverified50% confidenceFactExact time
After an image is re-saved as a 1080px JPEG, the C2PA manifest disappears entirely, while the SynthID watermark remains.
1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedSynthID水印在图片被截图、压缩甚至轻度编辑后仍然能够保留，但在经过大幅度图像处理（如重新绘制、严重压缩）后可能失效73% similarUnverifiedC2PA metadata is often lost when an image is screenshotted or re-uploaded, and it cannot handle images that never had a signature embedded.69% similarUnverifiedJPEG XL supports lossless recompression of existing JPEG files, saving an average of about 20% in file size, and the files can be fully restored to the original JPEG.62% similarUnverifiedClearPix's browser-based video watermark removal tool performs inpainting frame by frame.61% similar
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