QR Code Studio & Scanner

Professional QR code generator and local offline scanner with support for URL, Wi-Fi, vCard, Custom Logo embedding, Error Correction control, and SVG/PNG vector downloads.

Visual Style & Logo Embedding

#000000
#FFFFFF

Continue With

Continue your workflow with these related next steps
URL Parser

Deconstruct URLs into protocol, host, port, path, and hash segments with an interactive query parameters table for adding, editing, sorting, and rebuilding clean URLs.

URL Encoder / Decoder

Encode and decode URL parameters and query strings safely in your browser. Supports encodeURI and encodeURIComponent standards with zero tracking.

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Pure Client-Side Local Memory Processing · Zero Data Upload

Usage Guide

  • 1. Choose a template (URL, Wi-Fi, vCard) and fill in the required fields.
  • 2. Customize colors or upload a center logo with automatic Level H error correction.
  • 3. Download crisp PNG or vector SVG files, or switch to the scanner tab to decode existing QR images.

Security & Privacy Guarantee

  • 1. client-side JavaScript: sensitive Wi-Fi passwords or links are never stored or logged.
  • 2. Full support for 4 error correction levels (L 7%, M 15%, Q 25%, H 30%).
  • 3. High-resolution vector SVG export ideal for print and billboards.

Frequently Asked Questions

Q: Does embedding a logo make the QR code unscannable?
A: No. When a logo is embedded, error correction automatically upgrades to Level H (30% redundancy), ensuring reliable scanning across all smartphone cameras.
Q: Does the scanner require internet access?
A: No. The barcode and QR reader operates entirely within your browser Canvas offline.