ComfyUI PNG workflow extractor
Extract embedded workflow metadata in your browser. No metadata is not proof an image was made without ComfyUI.
Loading local tool…
How to use this local tool
- Keep your original file. Supply a copy using the input above.
- Review the result and any error message before using it.
- Open the workflow checker to inspect graph references, or keep a recovery brief in Casebook.
What this tool checks
The extractor reads PNG metadata with bounded browser parsing. JPEG and screenshots may lack the original workflow. Embedded data can be missing or malformed; an extracted graph must still be inspected and verified in ComfyUI.