Upload a file to generate its hash, or enter an existing SHA-256 hash to verify content authenticity.
Upload a file to generate its hash OR enter an existing hash
Click to upload or drag and drop a file
Files up to 2GB • Hashed locally in your browser • Files larger than 2GB require external tools
Upload a file to generate its SHA-256 hash locally, or enter an existing hash. This unique fingerprint identifies your specific content.
We search the blockchain for matching hash records with timestamps and device attestation data.
If found, we confirm the content was submitted through our verified application with proper device attestation.
Option 1: Use the file upload above (up to 2GB files)
Option 2: Use our mobile app to capture and hash media files