Developer Tools

Regex Tester

Test regex patterns with live matching and capture groups

Cron Expression Parser

Explain cron expressions in plain English and preview the next 10 run times

UUID Generator

Generate v1/v4 UUIDs, validate UUIDs, bulk generation

URL Encoder/Decoder

Encode and decode URLs and query strings

Base64 Encoder/Decoder

Encode and decode Base64 and Base64URL

Duplicate Line Remover

Remove duplicate lines from text while preserving order