🧰 Developer tools
Small, fast, free. Everything except the analyzer runs entirely in your browser.
🧠 Analyze My Error
Paste any error or stack trace and get the likely cause and what to check.
🌐 HTTP status code lookup
All 1xx–5xx codes plus Cloudflare and Nginx specials, searchable.
🧵 Stack trace formatter
Un-escape one-line traces from JSON logs and highlight your own frames.
🧾 JSON error finder
Find the exact line and column of a JSON syntax error.