Developer tools that run locally.

Minify JS

Remove whitespace and comments from JavaScript.

Minify CSS

Remove whitespace and comments from CSS.

Minify HTML

Remove whitespace and comments from HTML.

Beautify Code

Format JS, CSS, HTML, JSON, XML. Configurable indent.

SQL Formatter

Format and beautify SQL queries. Keyword casing.

XML Formatter

Pretty-print and validate XML. Choose indent.

Markdown Preview

Live Markdown editor with rendered preview.

YAML to JSON

Bidirectional YAML and JSON conversion.

XML to JSON

Convert XML to JSON and back. Bidirectional.

TOML to JSON

Convert TOML configuration files to JSON.

Base64 Encode/Decode

Encode and decode Base64 — text and files.

URL Encode/Decode

Encode and decode URL strings instantly.

CSV ↔ JSON Converter

Convert between CSV and JSON formats instantly.

JWT Decoder

Decode JWT header and payload. Check expiration.

UUID Generator

Generate v4 UUIDs. Batch mode, format options.

Lorem Ipsum

Generate placeholder text. Paragraphs, sentences, words.

Slug Generator

Convert text to URL-friendly slugs. Transliterate accents.

Cron Parser

Parse cron to English. Next 5 run times.

HTTP Status Codes

Searchable reference. All standard codes.

HTML Entities

Encode and decode HTML entities. Instant.

JSON Formatter

Format, validate, and pretty-print JSON with syntax highlighting.

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly.

Diff Checker

Compare two texts. Line-by-line and word-level diffs.

Colour Converter

Convert between HEX, RGB, HSL, HSB, and CMYK.

Password Generator

Generate secure random passwords with crypto.getRandomValues().

Timestamp Converter

Unix timestamps to human dates and back.

Word Counter

Count words, characters, sentences, and reading time instantly.

Regex Tester

Test regex patterns with live match highlighting.