Offline Barcode Reader
No files are ever sent to a server

Lector de códigos de barras y QR online gratis

Escaneo rápido y privado directamente en su navegador. Sin cargas a servidores, 100% gratis y sin instalar aplicaciones.

How to Scan Barcodes in 3 Easy Steps

1

1. Select Camera or Image

Open your device camera for physical barcodes or upload a screenshot/photo from your image gallery.

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2. Auto-Detect & Crop

Point your camera at the barcode or crop closely around the code in your uploaded picture.

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3. Instant Result & Copy

View your decoded text or website URL instantly. Copy with one click or export your scan history to CSV.

Why Choose Offline Barcode Reader?

Unlike conventional online scanners that send your uploaded photos or camera streams to remote servers, Offline Barcode Reader processes 100% of image pixels directly inside your device memory. Your photos never leave your smartphone, tablet, or computer.

🎁 Tarjetas de regalo digitales y cupones móviles

Subir fotos de tarjetas de regalo a servidores externos expone los códigos de barras. El procesamiento local garantiza total privacidad.

✈️ Boarding Passes & Event Tickets

Boarding passes and event tickets encode passenger names, booking reference numbers, and access tokens. Serverless scanning ensures your sensitive travel itinerary and identity details are never stored or transmitted.

🔒 Wi-Fi & 2FA Setup QR Codes

Scanning Wi-Fi access codes or 2FA authentication setups locally prevents network passwords and secret keys from being sent across remote endpoints.

📦 Store Products & Package Labels

Instantly check UPC and EAN retail product codes or Code 128 shipping package barcodes without installing heavy mobile apps.

Supported Barcode & QR Formats

QR CodeEAN-13EAN-8UPC-AUPC-ECode 128Code 39Data MatrixPDF417CodabarITFAztec
Feature & Security StandardOffline Barcode Reader (This Site)Cloud Upload ScannersApp Store / Mobile Apps
Photo & Camera Privacy🛡️ 100% On-Device (0 Server Uploads)❌ Uploaded to External Server⚠️ Varies (Ad Tracking / Analytics)
Gift Card / Coupon Security✅ 100% Safe (Local Memory Only)⚠️ Risk of Server Leak & Redemption Theft✅ Protected on Device
App Download & Storage Size⚡ No Install Required (0 MB)⚡ No Install Required❌ Requires App Download (50MB+)
Offline & Airplane Mode✅ Works 100% Offline❌ Fails Without Internet✅ Works Offline
Screenshot & Gallery Crop✅ Crop & Scan from Gallery✅ Supported⚠️ Requires Extra Permissions

Preguntas Frecuentes (FAQ)

¿Necesito descargar una aplicación?

¡No! Funciona directamente en su navegador web en iPhone, Android, Windows y Mac sin ocupar espacio.

¿Es seguro escanear cupones de regalo?

Sí, 100% seguro. Sus imágenes se procesan únicamente en la memoria local de su dispositivo.

¿Funciona sin conexión a internet?

¡Sí! Como PWA, una vez cargado puede escanear en modo avión o sin internet.