Everyday Dev Tools is a free, privacy-first toolkit for developers. It brings 13 essential utilities into one place, including JSON Formatter, JSON Diff, JSON-to-CSV, Text Diff, Unix Timestamp, Cron Generator, JWT Decoder, Base64, URL Encoder, Hash Generator, UUID Generator, Regex Tester, and Markdown Previewer. Everything runs locally in your browser with no sign-ups, tracking, or data uploads. Fast, lightweight, mobile-friendly, and built for everyday development.