Developer Tools
Developer tools for the jobs that interrupt real work: decoding tokens, generating hashes, testing regex, formatting SQL and building cron schedules. Each tool runs in your browser, so tokens and code stay on your device. No signup is required.
JWT Decoder
Inspect tokens & expiry
Hash Generator
MD5, SHA-1, SHA-256, SHA-512
Password & Secret Generator
Strong secrets + entropy score
Regex Tester
Live matching with highlights
UUID Generator
Version 4 UUIDs, one click copy
CSS/JS Minifier
Minify or beautify code
SQL Formatter & Linter
Format, lint & EXPLAIN SQL
Cron Builder & Parser
Build & explain cron schedules
Cron Visualizer
Calendar view of next runs, human description
User-Agent Parser
Browser, OS & device detector
IP Lookup
See your public IP & location
HTTP Status Codes
Search codes, names & meanings
Oracle Error Lookup
ORA, FRM, REP & TNS errors explained
Oracle Date Format Tester
Test TO_CHAR / TO_DATE format masks
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