Certificate Verification
Verify any CERTELO certificate for free using the original file, the SHA-256 hash, or the certificate ID. File hashing happens locally in your browser; the file never leaves your device.
Generate Hash from File
Drop a file into the browser hasher or select one from your device. We compute its SHA-256 fingerprint locally and check it against the blockchain. Your file never leaves your device.
Drop a file here or click to browse
Any file type · Your file never leaves your device
How Verification Works
Hash Your Document
We compute the SHA-256 fingerprint of your file locally in your browser; it never leaves your device.
Check the Blockchain
We query the Electra Protocol blockchain to see if this hash was timestamped and when.
Get Results
See the verification status, timestamp, and certificate details. Download the PDF again if needed.
Verification is completely free and requires no account. You can verify any certificate using just the original file or its hash.