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Online QR code generator

Generate QR codes online with text input, size, margin, error correction, and custom foreground/background colors. Live preview, PNG download.

What is a QR code generator?

A QR code generator converts text into a machine-readable matrix barcode that phones and scanners can read quickly. This page lets you tune output size, quiet-zone margin, encoding options, and foreground/background colors while previewing in real time. It is useful for links, print assets, event flows, and product handoffs where fast mobile access matters.

QR code generator features

Core controls for reliable, customizable QR outputs.

  • Text and URL encoding

    Encode links, plain text, and short payloads.

  • Size and margin control

    Set output dimensions and quiet-zone spacing.

  • Advanced options

    Version mode, fixed version, error correction, and encoding mode.

  • Color controls

    Custom foreground/background colors with transparency toggles.

  • Live preview

    Regenerates automatically whenever settings change.

  • PNG export

    Download the generated QR code as a PNG image.

How to use this QR generator

Quick steps for scannable custom QR codes.

  1. Enter text to encode

    Paste a URL, contact text, or other data payload.

  2. Adjust basic options

    Tune size and margin for your target medium.

  3. Optional advanced tuning

    Set error correction, encoding mode, and version behavior.

  4. Pick high-contrast colors

    Dark modules on bright backgrounds scan best.

  5. Download PNG

    Export and test scan at final display/print size.

Tips for better QR scanning

Improve readability before publishing.
  • 01

    Use high contrast

    Dark modules on light backgrounds scan more reliably.

  • 02

    Avoid tiny outputs

    Increase size for distant scans or dense payloads.

  • 03

    Keep margin non-zero

    A quiet zone helps scanners isolate the code.

  • 04

    Test after styling

    Always test on real devices at final usage size.

QR Code Generators Compared — Which One Fits Your Workflow

How this free QR code generator stacks up against other popular online tools for creating QR codes.

  1. QRCodeMonkey.com

    Popular QR generator with logos, colors, and patterns. Free for basic QR. Premium for high-res and analytics.

  2. QR-Code-Generator.com

    Industry leader for QR codes with tracking and editable types. Free basic tier. Paid for dynamic QR.

  3. The-QRCode-Generator.com

    Simple QR generator with color customization. Free and unlimited. Basic feature set.

  4. GoQR.me

    Free QR code API and web interface. Simple but functional. No logo or design options.

  5. QR Code Generator

    Generate QR codes from URLs, text, or phone numbers. Customizable colors and sizes. Download as PNG or SVG. All in browser.

Great for

Common QR usage scenarios.

  • Marketing links

    Landing pages, campaign URLs, and promo tracking links.

  • Print materials

    Posters, packaging, cards, menus, and labels.

  • Event check-ins

    Tickets, registrations, and quick on-site redirects.

  • Product onboarding

    Guide users to setup docs, apps, or support pages.

Why use this tool

Fast QR generation without uploads.

  • Private by default

    Data stays on-device during generation.

  • No account needed

    Open the page, generate, and download immediately.

  • Fine-grained controls

    Balance styling with scan reliability.

  • Cross-platform output

    PNG works across web, docs, and print workflows.

Technical details

How generation is handled in-browser.
Engine
QR generation uses the `qrcode` JavaScript library.
Output format
Rendered as PNG data URL for instant preview and download.
Version support
Auto or fixed version from 1 to 40.
Error correction
L, M, Q, H levels (approx. 7%, 15%, 25%, 30%).
Color rendering
Foreground/background colors including alpha transparency.

Sources & References

Authoritative references on QR code technology, matrix barcode standards, and the browser technology this tool uses.
  • “A QR code is a type of matrix barcode readable by smartphones and dedicated QR reading devices.”
    — Wikipedia — QR code

    QR code — matrix barcode standard: QR codes encode data in a two-dimensional matrix pattern. This tool generates QR codes using the qrcode JavaScript library, encoding text and URLs into the standard QR code format. en.wikipedia.org/wiki/QR_code

  • “The Canvas API provides a means for drawing graphics via JavaScript and the HTML canvas element.”
    — MDN Web Docs — Canvas API

    Canvas API (QR code rendering): The QR code modules are rendered onto a canvas element, allowing live preview in the browser and PNG export via toDataURL. developer.mozilla.org/en-US/docs/Web/API/Canvas_API

  • “ISO/IEC 18004 defines the requirements for the symbology known as QR Code 2005.”
    — ISO — ISO/IEC 18004

    ISO/IEC 18004 — QR code standard: The international standard that specifies QR code symbology characteristics, including data encoding methods, error correction, and symbol sizes from version 1 to 40. iso.org/standard/62055.html

  • “Reed–Solomon codes are a group of error-correcting codes that were introduced by Irving S. Reed and Gustave Solomon.”
    — Wikipedia — Reed–Solomon error correction

    Reed–Solomon error correction: QR codes use Reed–Solomon error correction to recover data from damaged or obscured symbols. This tool offers four correction levels (L, M, Q, H) corresponding to 7%, 15%, 25%, and 30% recovery capacity. en.wikipedia.org/wiki/Reed%E2%80%93Solomon_error_correction

Frequently Asked Questions

Quick answers about this tool—open a question to read more.