Local PDF Timestamp
This tool creates a local, self-signed timestamp using your device clock. It does not request or verify a timestamp from the selected TSA.
Upload PDF
Select a PDF to add a local timestamp.
Support: application/pdf
About This Tool
Select a PDF to add a local timestamp.
This tool creates a local, self-signed timestamp using your device clock. It does not request or verify a timestamp from the selected TSA.
Processing stays in your browser; no document or hash is sent to a TSA.
How to Use
Upload PDF
Select a PDF to add a local timestamp.Selected authority label
Choose a name for the local signature. This name does not connect to a TSA.Add local timestamp
Process the file, review the result and download the PDF.
Use Cases
Working drafts
Keep a locally dated copy of a working document.
Personal archives
Save a timestamped copy for your own reference.
Signature inspection
Inspect the generated signature and metadata in a PDF reader.
Frequently Asked Questions
This tool creates a local, self-signed timestamp using your device clock. It does not request or verify a timestamp from the selected TSA.
No. The tool generates a local, self-signed certificate for this operation.
The time comes from your device clock and is not independently verified.
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