About
FreeToolkit is a free, browser-based toolkit with 136+ developer utilities across 30 categories — JSON, Base64, JWT, Regex, UUID, CSS, SQL, CSV, XML, YAML, Hash, Color, Markdown, SVG, Password, and more.
Every tool runs entirely in your browser. No data is ever sent to a server, making it safe for API keys, passwords, tokens, and private payloads.
Key highlights:
136+ tools across 30 categories
Zero signup, zero login, zero ads
Works offline once loaded
Mobile-friendly and dark mode supported
Instant search across all tools
Built for developers who want fast, focused utilities without the bloat of slow or cluttered tool sites.