9+ tools · free · no login required
Fast, client-side utilities for developers and everyday users. No server, no tracking, no nonsense.
JWT Decoder
Decode & verify JSON Web Tokens
JSON Formatter
Format, validate & minify JSON
Base64 Encode / Decode
Encode or decode Base64 strings instantly
Regex Tester
Test regular expressions with live matching
CIDR Calculator
Subnet breakdown, host range & broadcast address
Cron Expression Builder
Build cron expressions visually — see next run times
URL Encode / Decode
Encode special characters for safe URL usage
Hash Generator
Generate MD5, SHA-256, SHA-512 hashes
Thai Date Converter
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