Prove

SHA-256 file fingerprint

Calculate SHA-256 locally and use it to identify exact copies or document a delivery state.

Standards-based SHA-256 One-click copy Manifest-ready output

LOCAL TOOL

Use sha-256 file fingerprint

Drop a file. Read the result.

No account, no server upload, and no claim beyond the evidence the file contains.

Privacy shield activeProcessing happens in this browser tabNo upload · no account · no inspection tracking

Drop a file into the evidence fieldZIP up to 1 GB · images and TAR up to 64 MB · Markdown and text up to 16 MB · never uploaded

What this result means

Evidence is specific.
Interpretation should be, too.

Calculate SHA-256 locally and use it to identify exact copies or document a delivery state. OriginFlux labels detected data separately from user declarations, missing information, and inferences.

SHA-256 file fingerprint

Drop a file. Read the result.

Evidence is specific.Interpretation should be, too.

Evidence is specific.
Interpretation should be, too.