Encode a string into a QR code.
QR Code Generator implementation in JavaScript.
Encode a URL to a percent-encoded form, excluding already-encoded sequences
micromark utility to encode dangerous html characters
QRCode / 2d Barcode api with both server side and client side support using canvas
Keystone airgaped wallet SDK
A QR code generator for React and React Native.
Encode/Decode VietQR and VNPAY-QR
Fastest HTML entities encode/decode library.
React component to generate QR codes
URL utilities for markdown-it
Add a style and an image to your QR code
Optimise inline SVG with PostCSS.
Small package to encode or decode IP addresses from buffers to strings.
A stricter URI encode adhering to RFC 3986
Encode and decode base64 encoded strings
Visual encoding transforms for Vega dataflows.
Encode and decode quoted-printable strings according to rfc2045
Core logic for the qr-code widget implemented as a state machine
Codecs for numbers of different sizes and endianness
A javascript QR scanner library
Turn a string into an ArrayBuffer by using the UTF8 encoding.
Encodes a registry URL. Memoized.
Percent-encode characters in strings matching a regular expression
rqrcode is a library for encoding QR Codes. The simple interface allows you to create QR Code data structures and then render them in the way you choose.
rqrcode_core is a Ruby library for encoding QR Codes. The simple interface (with no runtime dependencies) allows you to create QR Code data structures.
rQRCode is a library for encoding QR Codes. The simple interface allows you to create QR Code data structures ready to be displayed in the way you choose.
A library to encode QR Codes
rQRCode is a library for encoding QR Codes. The simple interface allows you to create QR Code data structures ready to be displayed in the way you choose.
Go ZXing QR Code Encoder Ruby wrapper.
VietnamQrPay is a dependency-free Ruby implementation of Vietnamese payment QR standards. It supports building and parsing VietQR and VNPayQR payloads, decoding related provider formats, and ships the bank catalog exposed by the original vietnam-qr-pay JavaScript library.
API client for qrcodefyi.com. Look up QR code types, versions, encoding modes, error correction levels, and standards. Zero dependencies.
thai_qr_pay is a Ruby gem providing: - ASCII-numeric TLV parsing and encoding - EMVCo CRC-16/IBM-SDLC checksum computation and validation - Generators for PromptPay AnyID, PromptPay Bill Payment, TrueMoney, etc. - Validators for slip-verify and TrueMoney slip verify payloads - BOT barcode → EMVCo QR Tag-30 conversion
TOTP stands for Time-Based One-Time Password. Many websites and services require two-factor authentication (2FA) or multi-factor authentication (MFA) where the user is required to present two or more pieces of evidence: Something only the user knows, e.g., password, passphrase, etc. Something only the user has, e.g., hardware token, mobile phone, etc. Something only the user is, e.g., biometrics. TOTP stands for Time-Based One-Time Password. Many websites and services require two-factor authentication (2FA) or multi-factor authentication (MFA) where the user is required to present two or more pieces of evidence. A TOTP value serves as the second factor, i.e., it proves that the user is in possession of a device (e.g., mobile phone) that contains a TOTP secret key from which the TOTP value is generated. Usually the service provider that provides a user's account also issues a secret key encoded either as a Base32 string or as a QR code. This secret key is added to an authenticator app (e.g., Google Authenticator) on a mobile device. The app can then generate TOTP values based on the current time. By default, it generates a new TOTP value every 30 seconds.
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