Developer & Security Tools
Fast, focused utilities for developers. No accounts, no tracking — everything runs in your browser.
100% private — everything runs locally in your browser
No data is ever sent to a server. Your inputs stay on your machine.
🔐 Security & Cryptography
Password Generator
Create cryptographically strong, random passwords with full customization.
Token Generator
Generate secure random tokens for API keys, session secrets, and more.
UUID / GUID Generator
Generate RFC4122-compliant Version 4 UUIDs for unique identifiers.
Hash Generator
Compute MD5, SHA-1, and SHA-256 hashes for any input string.
⚙️ Developer Utilities
Cron Expression Builder
Visually build cron expressions and preview the next scheduled run times.
HTTP Request Tester
Build and fire cURL/HTTP requests and inspect responses — like Postman, in your browser.
Base64 Encoder / Decoder
NewEncode text to Base64 or decode Base64 strings back to plain text instantly.
URL Encoder / Decoder
NewEncode and decode URL components using encodeURIComponent / decodeURIComponent.
JSON Formatter & YAML Converter
NewFormat, minify, and convert JSON to YAML — split view editor, all locally in your browser.