Code & Data Formatting Tools

Free online tools to format, beautify, validate, and minify code and data — JSON, XML, YAML, HTML, CSS/SCSS, JavaScript/TypeScript, SQL, CSV, Base64, JWT, UUID, regex, and Unix timestamps. Everything runs in your browser — no data is ever sent to a server.

{ }

JSON Formatter

Indentation, key sorting and minify.
</>

XML Formatter

Indentation and self-closing tag handling.
Y:

YAML Formatter

Fix indentation, convert JSON ↔ YAML.
<h>

HTML Formatter

Indentation and attribute sorting.
{;}

CSS / SCSS Formatter

Indentation, rule sorting and minify.
JS

JavaScript / TypeScript

Prettier-style beautify, minify.
SQL

SQL Formatter

Keyword casing, indented queries.
CSV

CSV Formatter

Convert to an aligned table view.
64

Base64 Encoder/Decoder

Encode or decode text, URL-safe option.
JWT

JWT Decoder

Decode header/payload, verify HMAC signatures.
ID

UUID Generator

Generate and validate v4/v7 UUIDs.
.*

Regex Tester

Test patterns with live match highlighting.
🕑

Unix Timestamp Converter

Convert between epoch time and dates.