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10 tools
JSON Formatter & Validator
FormattersFormat, minify, and validate JSON with exact line and column errors.
JWT Decoder
Security & EncodingDecode JWT headers and payloads and inspect expiry at a glance.
Base64 Encoder/Decoder
Security & EncodingConvert text or files to and from Base64, safely handling Unicode.
Regex Tester
Text & DocsTest regular expressions with live highlighting and capture groups.
URL Encoder/Decoder
ConvertersEncode or decode full URLs or individual URL components.
UUID Generator
GeneratorsGenerate cryptographically random UUIDv4s in bulk.
Timestamp Converter
ConvertersConvert between Unix time, ISO 8601, and human-readable dates.
Password Generator
GeneratorsGenerate strong passwords with a real entropy-based strength meter.
Markdown Editor
Text & DocsWrite Markdown with a live, sanitized HTML preview side by side.
HTML Formatter
FormattersFormat or minify HTML while preserving pre/script/style content.