Formatters & Encoders calculators
JSON, Base64, URL and timestamps.
JSON Formatter & Validator
Pretty-print, minify and validate JSON.
JSON Validator
Check whether JSON is valid and find the error.
Base64 Encoder / Decoder
Encode text to Base64 and back.
URL Encoder / Decoder
Percent-encode and decode URL components.
Unix Timestamp Converter
Convert timestamps to dates and back.
JWT Decoder
Decode JWT headers and payloads instantly.
Markdown Preview
Write Markdown and preview rendered HTML.
Regex Tester
Test regular expressions with live highlighting.