Generate MD5, SHA-1, SHA-256, and SHA-512 hashes. Hash text and files locally in browser. No data uploaded, free for developers.

Free online scientific calculator with trigonometric functions, memory, history, and degree/radian modes. Keyboard supported, no installation needed.

Convert Unix timestamps to dates and vice versa. Supports milliseconds and batch conversion. Free online tool.

Test and debug regular expressions with real-time matching. Supports all flags, groups, and match highlighting. Free online regex validator.

Generate strong, customizable passwords with entropy calculation. Check password strength and copy instantly. Free client-side tool for developers.

Count words, characters, sentences, and reading time. Real-time text statistics for writers, developers, and content creators with copy-to-clipboard results.