svg-captcha
Generate SVG-based CAPTCHAs in Node.js without C++ addons, offering lightweight and customizable spam protection.
What is svg-captcha?
svg-captcha is a Node.js library that generates CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) images in SVG format. It provides a lightweight, customizable solution for adding spam protection to web applications without relying on external services like Google reCAPTCHA. The library uses opentype.js to render text as SVG paths, making CAPTCHAs harder for bots to recognize while keeping file sizes small.
Node.js developers building web applications that need simple, self-hosted CAPTCHA functionality, especially those who cannot or prefer not to use Google reCAPTCHA or deal with C++ addon installations.
Developers choose svg-captcha for its zero external dependencies, ease of integration, and pure JavaScript implementation that avoids native module complications. Its SVG output is smaller and more scalable than raster images, and the customizable options allow tailored CAPTCHA challenges.
Overview
generate svg captcha in node
Use Cases
Best For
- Adding lightweight CAPTCHA protection to Express.js applications
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