Privacy tool
Fingerprint & verify a file
Get four separate hashes — bytes, text, visual and metadata — so you can prove the content stayed identical while the metadata changed, and check later whether a document was altered.
How it works
- 1. Upload a PDF, Office file, image or e-mail.
- 2. We compute the file hash, a metadata-free content hash and a metadata hash.
- 3. Save the fingerprint token; compare it later to prove the content is unchanged.
Fingerprint your file
PDF, Office, image or e-mail — separate hashes for content and metadata.
or drag and drop your files here
PDF
Word
Excel
Image
E-mail