#qrcode

One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator

A Vue component to generate QRCode. QRCode vue supports both Vue 2 and Vue 3. It offers two QR code formats: canvas and svg. Customize QR code size, margins, error correction level, foreground and background colors, logo images, and gradient effects.

A fast and easy-to-use Angular QR Code Generator library with Ivy support

📸 A powerful, high-performance React Native Camera library.

ZXing-C++ WebAssembly as an ES/CJS module with types. Read or write barcodes in various JS runtimes: Web, Node.js, Bun, and Deno.

Deprecated: PHP PDF library, superseded by tc-lib-pdf (https://github.com/tecnickcom/tc-lib-pdf)

QR code encoder in Rust，Generate QR Code matrices and images in RAW, PNG and SVG formats.

Extract one time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator". The exported QR codes from authentication apps can be captured by camera, read from images, or read from text files. The secrets can be exported to JSON or CSV, or printed as QR codes to console.

A Barcode Detection API ponyfill/polyfill that uses ZXing-C++ WebAssembly under the hood.

High-performance QR code generator/reader with renderes support

CodeGlyphX is a fast, dependency-free toolkit for QR codes and barcodes, with robust decoding and a minimal API. It targets modern .NET as well as legacy .NET Framework, and includes renderers, payload helpers, and WPF controls.

Zero-dependency barcode & QR code SVG, PNG generator. 40+ formats, styled QR codes, tree-shakeable. Pure TypeScript.