COLOR & DESIGNE-E-A-T
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QR Code Generator

Generate custom, high-resolution QR codes with customizable colors, error correction levels, and SVG/PNG vector downloads.

⚡Live Result
QR Code Version 2 (25×25)ISO/IEC 18004 Standard QR Code
Version 2 (25x25 modules)Level M (15% recovery)URL
1

Input Parameters

Quick Presets
Or customize parameters below
2

Live Result

QR Code Version 2 (25×25)
ISO/IEC 18004 Standard QR Code
Live QR Vector StudioLevel M (15% recovery)
https://fnct.net
3

Details

7 metrics
Qr Version
Version 2
25x25 modules
Ecc Level
Level M
15% recovery
Payload Type
URL
Payload Length
16
Fg Color
Bg Color
Svg Code
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 29 29" width="320" height="320" style="background-color: #ffffff; border-radius: 8px;">
<rect width="29" height="29" fill="#ffffff"/>
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fill="#0f172a"/><rect x="15" y="25" width="1" height="1" fill="#0f172a"/><rect x="16" y="25" width="1" height="1" fill="#0f172a"/><rect x="17" y="25" width="1" height="1" fill="#0f172a"/><rect x="18" y="25" width="1" height="1" fill="#0f172a"/><rect x="22" y="25" width="1" height="1" fill="#0f172a"/><rect x="23" y="25" width="1" height="1" fill="#0f172a"/><rect x="25" y="25" width="1" height="1" fill="#0f172a"/><rect x="2" y="26" width="1" height="1" fill="#0f172a"/><rect x="3" y="26" width="1" height="1" fill="#0f172a"/><rect x="4" y="26" width="1" height="1" fill="#0f172a"/><rect x="5" y="26" width="1" height="1" fill="#0f172a"/><rect x="6" y="26" width="1" height="1" fill="#0f172a"/><rect x="7" y="26" width="1" height="1" fill="#0f172a"/><rect x="8" y="26" width="1" height="1" fill="#0f172a"/><rect x="10" y="26" width="1" height="1" fill="#0f172a"/><rect x="14" y="26" width="1" height="1" fill="#0f172a"/><rect x="15" y="26" width="1" height="1" fill="#0f172a"/><rect x="18" y="26" width="1" height="1" fill="#0f172a"/><rect x="20" y="26" width="1" height="1" fill="#0f172a"/><rect x="21" y="26" width="1" height="1" fill="#0f172a"/><rect x="25" y="26" width="1" height="1" fill="#0f172a"/><rect x="26" y="26" width="1" height="1" fill="#0f172a"/>
</svg>
4

Steps

3 Steps
1

Encode data into standard UTF-8 byte stream

Payload (16 chars) -> UTF-8 Bytes➔ https://fnct.net
2

Calculate Reed-Solomon error correction code (M) & Allocate Version 2 matrix

RS-Poly(GF-256) -> 25×25 Grid➔ Version 2 (25×25 modules)
3

Apply Mask Pattern & Export crisp SVG vector stream

Matrix[25][25] -> SVG Vector Output➔ 18353 bytes SVG
⚡
Live Result
QR Code Version 2 (25×25)ISO/IEC 18004 Standard QR Code

Quick Answer & Understanding Your Result

Source: ISO/IEC 18004:2015 - QR Code Barcode Symbology Specification

A QR Code Generator creates 2D Quick Response matrix barcodes capable of encoding URLs, Wi-Fi credentials, contact vCards, and plain text.

QR Code Technical Specifications

  • ISO/IEC 18004 Compliance: Strict adherence to international 2D symbology standards for universal smartphone camera scanning.
  • Reed-Solomon Error Correction: Choose between Level L (7%), Level M (15%), Level Q (25%), and Level H (30%) damage resilience.
  • High-DPI Vector Export: Download crisp vector SVG or lossless PNG files up to 2048×2048 pixels for professional print media.

Popular Everyday Use Cases

  • Wi-Fi Network Sharing: Generate instant-connect QR codes without exposing typed passwords.
  • Restaurant Menus & Marketing: Direct customers seamlessly to digital landing pages and menus.

Enter your text or URL above to generate a high-resolution QR code instantly with 0ms latency.

Formula & Calculation Logic

Mathematical Formula
Mathematical Formula
QR Matrix
= ReedSolomonEncode(InputPayload, ErrorCorrectionLevel)

Encoding architecture:

  • Converts payload into binary bitstream using Alphanumeric or Byte encoding mode.
  • Computes Reed-Solomon polynomial check words to ensure scannability even if partially obscured.

Step-by-Step Guide

1

Enter Text or Web Link

Input the target URL, contact info, or text to encode.

2

Customize Visual Design

Pick custom foreground and background colors and error correction level.

3

Download High-Res PNG or SVG

Download your clean QR code ready for digital or physical print use.

Worked Examples Table

ExampleInput ValuesCalculated ResultExplanation
Website URL Encoding
Payload Type: url, Content: https://fnct.net, Wifi Ssid: MyHomeWiFi, Wifi Pass: SecretPass123, Wifi Type: WPA, Vcard Name: Alex Vance, Vcard Phone: +1555019283, Vcard Email: [email protected], Fg Color: #0f172a, Bg Color: #ffffff, Ecc: M
Generated High-Res QR Code
Scans directly to website home page.
Home WiFi Quick Connect
Payload Type: wifi, Wifi Ssid: Home_Fast_WiFi_5G, Wifi Pass: SuperSecurePass99, Wifi Type: WPA, Ecc: M, Fg Color: #1e293b, Bg Color: #f8fafc, Content: https://fnct.net, Vcard Name: Alex Vance, Vcard Phone: +1555019283, Vcard Email: [email protected]
Accurate Operational Result
Provides instant quantitative evaluation for comparative practical analysis.

Frequently Asked Questions

Evidence-Based Methodology & Authoritative References

References & Methodology

ISO/IEC 18004:2015 - QR Code Barcode Symbology Specification

View Reference

Denso Wave QR Code Patent & Technical Overview

View Reference
Calculation Standard & Formulation

Standard: ISO / W3C / IETF Authoritative Domain Standard

Formula: QR Matrix = ReedSolomonEncode(InputPayload, ErrorCorrectionLevel)

Last Reviewed: August 21, 2026

Authoritative Sources & Peer Review

Primary Source: ISO/IEC 18004:2015 - QR Code Barcode Symbology Specification

Reference Document: Denso Wave QR Code Patent & Technical Overview

Computation Privacy: 100% client-side 0ms computation, zero data retention

Application Scope & Disclaimer

Calculated results are modeled based on standard scientific and mathematical formulas. Please verify with domain-specific technical documentation for specialized applications.

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