Calculators

QR Code Generator

A fast, secure, and 100% browser-based QR code generator that creates high-resolution QR codes for websites, WiFi networks, and plain text without storing any data on servers.

  • Bigyan Ghimire
  • 26 views
  • v1.0000
  • Calculators
QR Code Generator Runs in your browser

How to use

  • Select QR Type: Choose the type of QR code you want to create from the dropdown menu (Website URL, WiFi Network, or Plain Text).
  • Enter Details: Fill in the corresponding input fields (e.g., your website address, WiFi SSID and password, or custom message).
  • Preview Instantly: View your generated QR code dynamically rendered on the screen in real-time.
  • Download: Click either the PNG or SVG download button to save the high-resolution QR code directly to your device.

Features

  • Client-side
  • Secure
  • Instant
  • Private
  • Fast
  • Responsive
  • Websites
  • WiFi
  • Text
  • Downloadable
  • PNG
  • SVG
  • Zero-storage

About this tool

The Instant Client-Side QR Code Generator is engineered for maximum security, speed, and privacy. Unlike traditional online QR code generators that upload your sensitive data such as private WiFi passwords, custom messages, or URLs to remote servers, this tool executes entirely within your web browser using client-side JavaScript.

Once your generated QR code is downloaded as a PNG or SVG, no digital footprint or cache remains on any remote storage. It provides a seamless, lightning-fast user experience designed for marketers, developers, business owners, and everyday users who value absolute data privacy.

Documentation

  • Architecture: Developed utilizing pure vanilla JavaScript and HTML5 Canvas API elements, ensuring zero framework bloat and instant execution.
  • Privacy & Security Guarantee: Because the generation script relies on client-side rendering (qrcode.min.js), input data is processed locally in memory. Temporary canvas URLs and blob links are immediately revoked and cleared from memory upon download completion.
  • WiFi String Format Standard: Generates standard-compliant WiFi payload strings (WIFI:S:;T:WPA;P:;;) recognized natively by all modern iOS and Android camera scanners.

Examples

  • Website URL Example:

    • Input: [https://bigyanghimire.info.np](https://bigyanghimire.info.np)

    • Result: Instantly scans and opens your portfolio or web tool directly on a smartphone browser.

  • WiFi Network Example:

    • Input (SSID): Home_Network | Input (Password): SecurePass123

    • Result: Allows guests to scan and instantly connect to your home WiFi network without manually typing passwords.

  • Plain Text Example:

Bigyan Ghimire

Built by

Bigyan Ghimire

Full-Stack Developer

Full-stack web developer from Nepal, passionate about sharing knowledge and crafting seamless digital experiences.

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