Local browser tool

Inspect and sign PDFs locally.

Inspect embedded PDF signatures and sign PDFs with your signing certificate in the browser. Files and keys stay local.

No upload Processed in your browser

Switch tool

Choose PDF One PDF file. Password-protected PDFs are opened locally.

Embedded PDF signature

Adds an embedded digital PDF signature with your signing certificate.

Signing certificate (.p12/.pfx)

Certificate password

Signature field

Display name

Reason

Location

Contact

Visible signature field

Trusted timestamp

Adds proof of signing time from a timestamp authority. The authority must allow browser requests.

Page

Width

Height

Detached OpenPGP signature

The generated signature covers the original PDF bytes. This is not an embedded PDF signature made with a signing certificate.

Private OpenPGP key

Passphrase

Verify signature

The generated signature covers the original PDF bytes. This is not an embedded PDF signature made with a signing certificate.

Detached signature (.asc)

Public OpenPGP key

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