#qr-code

Encode and decode Base45 (RFC 9285) — the compact binary-to-text encoding designed to pack densely into the alphanumeric mode of QR codes, best known as the carrier for the EU Digital COVID Certificate. The encode endpoint turns text (UTF-8) or raw bytes given as hex into a Base45 string; the decode endpoint turns a Base45 string back into bytes, returned as hex and — when the bytes are valid UTF-8 — as text. It uses the official 45-character alphabet (0-9, A-Z and a handful of symbols), packs two bytes into three characters (or one byte into two), and validates length and value ranges strictly so malformed input is rejected rather than silently mangled. Everything is computed locally and deterministically, so it is instant and private. Ideal for QR-code payloads, digital health and travel certificates, alphanumeric-mode encoders, and any binary data that must survive an uppercase-only channel. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is Base45 specifically; for base64, base32, hex, URL or HTML entity encoding use a general encoding API.

api.oanor.com/base45-api

Genera y analiza tarjetas de contacto vCard (.vcf). Construye una vCard 3.0 compatible con estándares a partir de campos simples: nombre (o nombre/apellido), organización, cargo, uno o más números de teléfono y correos electrónicos, sitios web, una dirección postal, cumpleaños, nota y una URL de foto, lista para descargar como .vcf o incrustar en un código QR de contacto (combínalo con la API QR para "escanear y guardar contacto"). O ve al revés: analiza cualquier cadena vCard de vuelta a campos estructurados limpios. Procesamiento local puro: sin clave, sin servicio de terceros, nada almacenado. En vivo. 3 endpoints. Diseñado para tarjetas de presentación digitales, códigos QR de contacto, importación/exportación de libretas de direcciones, integraciones CRM y herramientas de firma de correo electrónico.

api.oanor.com/vcard-api

Read (decode) a QR code from an image — the inverse of a QR generator. Pass an image URL (we fetch it) or a base64 image (a data-URI or raw base64) and get back the decoded text or URL, the QR version and the corner coordinates of the code within the image. PNG, JPEG, BMP, TIFF and GIF are supported (up to 10 MB); large images are downscaled automatically so decoding stays fast. Decoding runs locally (no third-party scan service) and nothing is stored. Every call is live. 2 endpoints. Built for scanning uploaded QR codes, processing screenshots and documents, ticket and coupon validation, and back-end automation. No upstream key.

api.oanor.com/qrdecode-api

Generate branded QR codes with a centre logo overlay, custom foreground and background colors, chosen size and error-correction level, as PNG or SVG. When a logo is supplied the error-correction level is raised automatically so the code stays scannable, and the logo is placed on a rounded white plate in the centre. Includes one-call helpers that build the correct payload for you: a Wi-Fi-join QR (SSID, password, encryption, hidden), a vCard contact QR (name, phone, email, organisation, title, URL, address) and a batch endpoint that returns up to 100 QR codes in a single request. Supply a logo by public URL, base64 or a raw binary body; receive results as base64 PNG/SVG JSON or, with raw=1, the raw image bytes. Pure server-side rendering (qrcode + sharp), no third-party upstream. Ideal for marketing and packaging, business cards and events, restaurant menus, Wi-Fi sharing and app onboarding.

api.oanor.com/qrlogo-api

Genera codici QR su richiesta come PNG base64, SVG o immagine grezza incorporabile. Personalizza dimensione, margine della zona silenziosa, livello di correzione degli errori e colori di primo piano/sfondo. Codifica URL, testo, Wi-Fi, vCard e altro.

api.oanor.com/qr-api