captcha
A lightweight pure JavaScript CAPTCHA generator for Node.js with no external dependencies.
What is captcha?
Captcha is a lightweight pure JavaScript library for generating CAPTCHA images in Node.js applications. It solves the problem of adding bot protection to web forms without requiring external dependencies like C/C++ libraries, ImageMagick, or canvas. The library generates both the CAPTCHA token and corresponding GIF image buffer entirely in JavaScript.
Node.js developers who need to implement CAPTCHA protection in their web applications without dealing with complex dependencies or external services.
Developers choose Captcha for its zero-dependency approach, pure JavaScript implementation, and simple API that eliminates the need for external image processing libraries while providing effective bot protection.
Overview
A Lightweight Pure JavaScript Captcha for Node.js. No C/C++, No ImageMagick, No Canvas.
Use Cases
Best For
- Adding CAPTCHA protection to Node.js web applications
- Projects that require dependency-free bot prevention
Related Projects
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