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.

Industrial & Retail Symbologies • Code 128, EAN-13, UPC

Barcode Generator Online Free

Generate industrial and retail barcodes for shipping labels, inventory management, and product packaging. Download 300 DPI PNG and Vector SVG with 100% in-browser privacy.

100% In-Browser Privacy Thermal Printer Ready (300 DPI) Vector SVG & PNG Export

Barcode Format & Content

Barcode Symbology Standard

Barcode Value / Data StringAlphanumeric

Bar Dimensions & Text

Bar Height80px

Bar Width / Thickness2

Display Human-Readable Text Beneath Barcode

Bar Color:

Live Barcode PreviewCODE128

✓ Print-ready at 300 DPI • Ideal for thermal label printers (Zebra, Brother, Epson)

Standard Barcode Symbology Cheatsheet

Select the correct symbology for your retail or industrial distribution requirements.

📦 Code 128 (Logistics & FBA)

High-density alphanumeric barcode. Supports all 128 ASCII characters. The global standard for Amazon FBA, courier tracking, and warehouse bins.

🏷️ EAN-13 (Global Retail Products)

13-digit numbering standard used in retail stores across Europe, India, Asia, and Latin America for point-of-sale checkout scanners.

🇺🇸 UPC-A (North America Retail)

12-digit standard primarily used across supermarkets, pharmacies, and department stores in the United States and Canada.

Frequently Asked Questions

What is the difference between Code 128 and EAN-13 barcodes?

Code 128 is a highly flexible alphanumeric barcode widely used in logistics, shipping labels (FedEx, Amazon FBA, UPS), and internal warehouse tracking. EAN-13 is a fixed 13-digit numeric standard used on retail products sold in supermarkets and stores worldwide.

Can I print these barcodes using thermal barcode printers (Zebra, Dymo, Brother)?

Yes! Kagazo generates clean, high-contrast vector SVGs and 300 DPI PNGs designed specifically for 1:1 rasterization on 203 DPI and 300 DPI thermal label printers.

Are there any usage limits or royalties?

No. The generated barcodes are 100% free and open for personal, commercial, and retail use with zero royalties.