Free developer utilities built for privacy and speed.
133+
Free Tools
100%
Client-Side
0
Data Stored
Free
Forever
We built ddevtools because we were tired of developer tools that require sign-ups, track your data, or hide basic features behind paywalls.
Every tool on ddevtools runs entirely in your browser. When you paste your JSON, encode your Base64, or generate a UUID, that data never touches our servers. It stays on your device, where it belongs.
We believe developer tools should be fast, free, and respect your privacy. That's the standard we hold ourselves to.
Your input data never leaves your browser. We built ddevtools with privacy as a core principle, not an afterthought.
No server round-trips means instant results. Every tool runs locally in your browser for the fastest possible experience.
No subscriptions, no premium tiers, no usage limits. Every tool is completely free to use, forever.
Jump straight into using any tool. No accounts, no emails, no friction between you and getting work done.
Have a question, suggestion, or just want to say hi? We'd love to hear from you.