Terms

It reduces a colour grade. It does not reconstruct detail, and it cannot reveal anything an effect obscured before a file was saved. No output should be treated as evidence of what an original looked like.

Use this on material you own or have permission to edit. Do not use it to try to expose or reconstruct images of a person who did not consent to that. It will not work, and attempting it is not something this site supports.

The tool is provided as-is, without warranty of any kind. It runs entirely in your browser and depends on your device and browser supporting WebGL2; where they do not, it will tell you rather than fail quietly.