QR Code Generator

Generate custom QR codes with advanced features like colors, logo, and batch generation

Category

Dev Tools

How to Use

  1. Enter the content to generate QR code in the input box
  2. Adjust size, margin, colors and styles as needed
  3. Can upload logo image to embed in QR code center
  4. Batch mode allows generating multiple QR codes at once
  5. Support downloading PNG or SVG format, or copying to clipboard

Examples

  • Generate website QR code

    Input: https://example.com

    Output: Scanning opens the corresponding website

  • Generate WiFi QR code

    Input: WIFI:S:MyNetwork;T:WPA;P:password;;

    Output: Scanning automatically connects to WiFi

  • Batch generate QR codes

    Input: Alice Bob Charlie

    Output: Generate 3 separate QR codes

FAQ

What is the difference between error correction levels?
L (7%), M (15%), Q (25%), H (30%). Higher levels can tolerate more damage but generate larger QR codes.
Can I add custom logo?
Yes, upload any image (PNG, JPG, etc.). Logo will be placed in the center of QR code. Q or H level error correction recommended for best results.
What style options are supported?
Square (classic), Rounded (rounded rectangle), Dots (circular modules). Dots style is more modern.
How to use batch mode?
Enter one content per line, each line generates a separate QR code. Can download individually or all at once.
What is the difference between PNG and SVG?
PNG is bitmap, suitable for printing and sharing. SVG is vector graphics, can be scaled infinitely without distortion, suitable for web use.

Related tools

  • UUID Generator

    Batch generate UUID v4 with one-click copy

  • Timestamp Converter

    Convert between timestamps and date/time formats

  • Regex Tester

    Test and debug regular expressions in real time

  • Hash Generator

    Compute MD5, SHA1, SHA256 hash values

  • GPU Stress Test

    FurMark-like browser stress test powered by Three.js WebGPU with real-time stability metrics

  • GPU Benchmark

    Run a fixed WebGPU scene for 60 seconds and sum per-second FPS as the final score

  • WebNN NPU Compute Measurement

    Estimate effective NPU compute available to the browser by running a WebNN NPU-only matrix multiplication workload

  • Local AI Model Runner

    Upload an ONNX model or enter a model download URL, then run browser-local inference with WebNN NPU/GPU first