CorgenX
Developer & SEO Utilities

Free Tools for Developers & SEO

Free browser-based tools for SEO professionals, developers, and freelancers — broken link checker, JSON formatter, and invoice generator. No signup, no install.

SEO Utility

Broken Link Checker

Scan any web page for dead links and 404 errors instantly. Protect your SEO authority and fix broken links before search engines penalize you.

Scan Website Now
Developer Tool

JSON Formatter

Format, validate, and beautify your JSON data securely. 100% offline processing ensures your sensitive data stays completely private.

Format JSON Data
Freelance Tool

Invoice Generator

Create professional freelance invoices instantly. Hourly, item-based, or phase billing with 50+ currencies. Download as PDF — no signup needed.

Create Invoice Now

More Tools Coming

We're building more utility tools. Stay tuned!