Svelte Captcha Enhance screenshot

Svelte Captcha Enhance

Author Avatar Theme by Edde746
Updated: 17 Sep 2025
24 Stars

Easily add captchas to SvelteKit forms

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Overview

Svelte-Captcha Enhance is a notable utility for developers working with SvelteKit, designed to fortify form submissions with robust CAPTCHA protection. With support for popular CAPTCHA providers like reCAPTCHA v3, hCaptcha, and Cloudflare Turnstile, it aims to improve both user experience and security against spam submissions. This lightweight solution effortlessly enhances SvelteKit’s functions, making it a compelling choice for developers looking to add CAPTCHA defenses with minimal overhead.

The ease of integration and extensive TypeScript support further elevate its appeal, ensuring that both new and seasoned developers can implement it seamlessly into their projects. With a growing emphasis on user experience, Svelte-Captcha Enhance focuses on progressive enhancement, allowing forms to retain functionality even if CAPTCHA responses are not available.

Features

  • Multiple CAPTCHA providers: Supports reCAPTCHA v3, hCaptcha, and Cloudflare Turnstile, providing flexibility in CAPTCHA solutions.
  • Easy integration: Extends SvelteKit’s enhance function, allowing for straightforward CAPTCHA implementation in forms.
  • TypeScript support: Fully typed for improved developer experience, ensuring type safety and reducing bugs.
  • Lightweight: Designed to have a minimal impact on bundle size, keeping app performance in check.
  • Bypass Mode: Offers a development and testing mode, simplifying the testing process without CAPTCHA challenges.
  • Server-Side Validation: Provides the necessary tools to handle client-side CAPTCHA integration with instructions for server-side validation.
  • Customizable options: Fine-tune CAPTCHA settings such as theme, size, and language for a better user experience.