captcha-generator-react

Generate captcha

A lightweight utility to generate image-based captchas using the HTML5 Canvas API. Returns a base64 image and the corresponding captcha text for easy verification.

✨ Features

• Generates random captchas using alphanumeric characters
• Returns both captcha text and base64 image
• Customizable width, height, and character length
• Adds random interference lines for better security

📦 Installation

npm install generate-captcha

Usage

import generateCaptcha from 'generate-captcha';

const { captchaText, captchaImage } = generateCaptcha();

console.log(captchaText); // Example: "aZ4pQ2"
console.log(captchaImage); // Base64-encoded PNG image

// You can also customize the captcha length, width, and height:

const { captchaText, captchaImage } = generateCaptcha(5, 150, 50);