Why does my government PDF show a yellow question mark?

Indian government PDFs are digitally signed using certificates from NIC, eMudhra, or other CCA India licensed authorities. Adobe Acrobat and most PDF viewers don't include India's Root Certifying Authority (RCAI) in their default trusted certificate store. So even though the signature is completely valid and legally recognised under the Information Technology Act 2000, your PDF viewer shows a yellow question mark because it cannot automatically verify the issuer. Kagazo checks your PDF against the actual CCA India trust hierarchy and gives you a copy with a permanent green tick visible on any device.

Is my document safe? Do you store my PDF?

Your PDF is processed entirely in memory during verification. We never write your file to disk, never store it on our servers, and never share it with any third party. The file is deleted from memory immediately after verification is complete. You can also verify this by checking our open source backend code.

Which documents does Kagazo support?

Kagazo supports any PDF digitally signed under India's CCA certificate hierarchy. This includes e-Aadhaar, PAN card, DigiLocker documents, ITR-V, Form 16, and all state government certificates from Tamil Nadu e-District, AP and Telangana MeeSeva, Karnataka Nadakacheri and eJanma, Kerala Sevana portal, and more.

My Aadhaar PDF is password protected. Will it work?

Yes. Enter your Aadhaar password (first four letters of your name in capital letters followed by your birth year, for example RAMA1995) in the password field that appears after you upload your e-Aadhaar PDF. We decrypt it in memory, verify the signature, and return a verified copy.

What is the difference between "Signature Valid" and "Signature Unknown"?

Signature Valid means the document is genuinely issued by the government authority and has not been modified. Signature Unknown means your PDF viewer cannot verify the certificate chain — this is a viewer configuration issue, not a problem with your document. Signature Invalid means the document may have been tampered with or re-saved after signing.

Does this work on mobile?

Yes. Kagazo is fully mobile responsive and works on any Android or iOS browser. No app installation required. Simply open kagazo.in on your phone browser, upload your PDF and verify instantly.

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Where Can You Use Your Kagazo Digital Signature?

Compliant formats for official, corporate, and personal document signing.

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Frequently Asked Questions

Legal compliance, security, and usage questions answered.

Are digital signatures created with Kagazo legally valid for contracts and forms?

Yes. In most jurisdictions worldwide (including the US ESIGN Act, EU eIDAS regulation, and Indian IT Act 2000), electronic signatures created by typing or drawing are recognized as legally binding for standard agreements, NDAs, invoices, offer letters, and rental contracts when both parties intend to sign.

Why should I download a transparent PNG signature?

A transparent PNG allows your signature to be placed on top of document lines, colored backgrounds, or PDF forms without showing an ugly white rectangular box around your ink.

How does the "Scan Paper Ink" mode work?

If you have a handwritten signature on physical paper, take a photo with your phone and upload it. Kagazo automatically strips the shadows and paper fibers, converting the paper background into 100% transparent pixels while preserving the dark ink strokes.

Is my handwritten signature stored on your servers?

Never. Kagazo guarantees 100% sovereign in-browser privacy. Your canvas strokes, typed names, and scanned signature images are processed strictly in your device’s volatile RAM. No images are saved or transmitted to any server.