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DigiSigner is a tiny tool to digitally sign PDF files and verify signatures. Use it to secure your PDF documents like invoices and contracts. Design your individual signature appearances as you want. DigiSigner supports smartcards and Windows key store.
You can sign PDF documents on Windows and Mac. Created signatures are Adobe Reader compatible. DigiSigner is very easy to use so try it now.

DigiSigner creates digital signatures using standard X.509 certificates. Signing your PDFs with DigiSigner cryptographically protects your documents and not just embeds pictures in your files. Signatures produced with DigiSigner are visible and verifiable in standard Adobe Reader tool. Visible signatures created with Adobe Reader or other applications can be also opened and verified using DigiSigner. DigiSigner protects your PDF files from tampering and ensures your identity as the signer. With DigiSigner you can add security to your PDF documents and increase the trust on the side of your partners and customers.

DigiSigner verifies digital signatures for you to ensure that your document was not changed or damaged. It is as easy as clicking on them. DigiSigner informs you who signed the document and reports other important details. DigiSigner is implemented with Java technology and therefore runs everywhere Java runs. You only need Java to be installed on your computer (1.6 or above). Windows installer checks it for you and automatically installs Java if required. You can use standard smartcards and USB tokens (a.k.a. PKCS#11 tokens) to digitally sign PDFs. It's very easy to add them to DigiSigner. Of course DigiSigner supports also standard PFX file key stores (a.k.a PKCS#12).

FEATURES:

- Visible Signature
- Invisible Signature
- Signature Verification
- Certificate Generation
- Signature Appearances
- Certification Levels
- Smartcards / USB tokens
- Windows Key Store
- Timestamp Server Support
- One Year Email Support