AADHAAR // SECURE QR
UIDAI MARCH 2019 SPECIFICATION
Secure Aadhaar QR Code Reader & Demographic Extractor.
Scan offline Aadhaar QR codes from e-Aadhaar PDFs or physical cards. Extract demographic data, resident JPEG 2000 photograph, and digital signature hashes directly in browser.
Ultra-Fast Live Aadhaar QR Scanner
Tap below to launch 60FPS instant hardware-accelerated camera scan
Technical Architecture & Data Pipeline
01. DECOMPRESSION
Converts base10 BigInteger raw text payloads into decompressed byte arrays via GZIP / Deflate streams.
02. DEMOGRAPHICS
Parses ISO-8859-1 byte array delimited by byte value 255 to extract Name, DoB, Gender, and 11 address fields.
03. JP2000 PHOTO
Decodes embedded JPEG 2000 binary image stream directly to HTML5 canvas and PNG data URL without external server calls.
04. VERIFICATION
Extracts 256-byte UIDAI RSA digital signature and SHA-256 mobile/email verification hashes for offline authenticity.