01
JSON Formatter + Minifier
Paste JSON once, then either format it for readability or minify it for compact transport.
Tool List
Start with high-intent utilities
02
JSON Validator
Check whether a JSON payload is valid and get a clear parse result.
03
JSON to YAML
Convert common JSON objects and arrays into readable YAML.
04
YAML to JSON
Turn basic YAML documents into formatted JSON without leaving the page.
05
Base64 Encode / Decode
Encode plain text to Base64 or decode Base64 back into readable text.
06
URL Encode / Decode
Escape or unescape URLs and query string values for safer transport.
07
JWT Decoder
Inspect JWT header and payload claims client-side without sending tokens anywhere.
08
Regex Tester
Test a JavaScript regular expression against sample text and review the matches.
09
UUID Generator
Generate random UUID v4 values instantly for development and testing workflows.