Free Online Tools
16 free utilities for developers, students, and professionals — all running directly in your browser.
Popular Tools
6JSON Formatter
Beautify, validate, and minify JSON data instantly in your browser.
Base64 Encoder / Decoder
Encode or decode Base64 strings with a single click.
Text Case Converter
Convert between camelCase, snake_case, UPPER_CASE, Title Case, and more.
Word Counter
Count words, characters, sentences, paragraphs, and reading time.
Unit Converter
Convert length, weight, temperature, speed, and more.
Password Generator
Generate strong, cryptographically random passwords on demand.
Recently Added
4Regex Tester
Test and debug regular expressions with live match highlighting.
UUID Generator
Generate RFC-compliant UUIDs (v1, v4, v5) instantly.
Markdown Previewer
Write and preview Markdown side-by-side in real time.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back instantly.
All Tools
16JSON Formatter
Beautify, validate, and minify JSON data instantly in your browser.
Base64 Encoder / Decoder
Encode or decode Base64 strings with a single click.
Regex Tester
Test and debug regular expressions with live match highlighting.
UUID Generator
Generate RFC-compliant UUIDs (v1, v4, v5) instantly.
JWT Decoder
Decode and inspect JWT token headers and payloads instantly.
Text Case Converter
Convert between camelCase, snake_case, UPPER_CASE, Title Case, and more.
Word Counter
Count words, characters, sentences, paragraphs, and reading time.
Markdown Previewer
Write and preview Markdown side-by-side in real time.
Diff Checker
Compare two blocks of text and highlight line-by-line differences.