Timestamp PDF
Record a document timestamp and audit trail inside the file.
Click to select a file or drag and drop
A single PDF file
Your files never leave your device.
The first run downloads the local PDF engine; after that loads are instant.
Record a document timestamp and audit trail inside the file.
Click to select a file or drag and drop
A single PDF file
Your files never leave your device.
The first run downloads the local PDF engine; after that loads are instant.
Click or drag and drop your file to begin. Everything stays on your device.
Pick the settings you want and hit the process button.
Your processed file is saved instantly, with no upload and no signup.
A qualified timestamp needs a TSA server and a certificate chain. In offline mode the tool records a verifiable sha-256 digest plus the local time inside the document metadata and XMP, which is auditable but not a qualified eIDAS timestamp.
No. There is no signup, no email and no install. Open the page, drop a file, download the result.
There is no artificial limit. The practical ceiling is your device memory; documents of several hundred megabytes usually work on a desktop browser.
Yes. After the first visit the app and its engine are cached by the service worker, so it keeps working without a connection.
Processing...