1-2-3 Signature: Verify a digitally signed PDF or JPEG
Drag and drop a signed PDF or JPEG file here, or select it with the button below. The signature will be verified, and the results will be displayed.
On a smartphone or tablet, you can select a file from the device or a cloud file provider such as Google Drive. For Trust Photo, select the file ending in “-signed.jpg”.
If the signature is valid, a green "CERTIFIED" mark will appear.
A yellow mark indicates that the signature is not long-term validated (LTV)
or has other minor issues that are not immediately problematic but are not ideal.
A red mark means the signature is invalid. Please review the settings
and ensure proper signing.
The maximum size is 512MB for PDF and 50MB for JPEG.
Selected files are uploaded for verification. Only PDF and JPEG files are accepted.
Verifying the signature. Please wait a moment.
