A DSC issued by a licensed Certifying Authority such as eMudhra, Capricorn or Sify gives the strongest form of electronic signature recognised in India. This tool signs PDFs with your .pfx or .p12 certificate file and certifies the document against changes.
Signing happens entirely on your computer. The certificate, its password and the document are never uploaded. The signature box shows your name as in the certificate, the date, reason and location, as Indian authorities expect.
How to sign PDF with DSC
- Open the PDF to sign.
- Click DSC sign on the Fill & Sign tab and choose your .pfx or .p12 certificate file.
- Type the certificate password, pick where the signature appears and click Sign and save.
Private by design
Most online PDF sites upload your file to their server. AK Smarts PDF opens and processes it inside your own browser, on your computer or phone, so salary slips, bank statements, Aadhaar and PAN copies, and contracts never leave your device. It works on Windows, Mac, Android and iPhone, and you can install it like an app to open PDFs with a double-click.
Questions
Can I use a USB token DSC (ePass, ProxKey)?
Export the certificate as a .pfx file if your token allows it, or use the desktop app, which can work with tokens through a helper.
Which documents need a DSC?
Common examples are GST and income-tax filings, MCA/ROC forms, e-tenders and some court filings. Check what the receiving authority requires.
Will the signature show as valid in other readers?
Yes, when the issuing Certifying Authority is trusted on the recipient’s computer, which is usual for licensed Indian CAs.
Is AK Smarts PDF safe for confidential files?
Yes. Files are opened and processed on your own computer or phone and are never uploaded to our server. Only e-Sign sends a short fingerprint of the document, never the document itself.
Does Sign PDF with DSC work on my phone?
Yes. AK Smarts PDF works in Chrome, Safari, Edge and Firefox on Android, iPhone, Windows and Mac. You can also install it like an app.