Generators & Security Scratchpads
Cryptographically secure passphrases, UUID v4 bulk builders, customizable QR codes, and meta social tags.
QR Code Generator
Custom URL and text QR code generator with SVG/PNG download
QR Code Content
Offline CanvasMathematical Formula & Engineering Rules
Encodes alphanumeric strings into 2D Reed-Solomon error-corrected matrix modules with configurable correction levels (L, M, Q, H).
Worked Engineering Example
Generate a Wi-Fi setup QR code formatted as WIFI:T:WPA;S:MySSID;P:MyPassword;; for automatic phone pairing.
Frequently Asked Questions
Q1:
Explore Sibling Calculators
Password Generator
Cryptographic entropy, character pool customization, and memorable passphrases
UUID Generator
Bulk generation of RFC 4122-compliant unique identifiers
Meta Tag Generator
HTML <head> tags and Open Graph / Twitter card snippets with real-time preview
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