Developer Tools - Free Online Utilities

    Multiline Formatter
    Text Case Converter
    Lorem Ipsum Generator
    Text Sort & Dedup Tool
    Unicode & Emoji Browser
    CSV to JSON/XML Converter

    JSON Formatter
    JavaScript Formatter
    SQL Query Formatter
    XML Formatter & Validator
    Regex Tester
    Diff Tool
    Number Base Converter

    CSS Unit Converter
    CSS Formatter & Minifier
    HTML Entity Tool
    Markdown Editor & Preview
    Markdown to HTML Converter

    HTTP Request Builder
    QR Code Generator

    Hash Generator
    JWT Decoder
    Password Generator
    Base64 Encoder/Decoder
    URL Encoder/Decoder
    UUID/GUID Generator

    SVG Icon Generator
    Email Template Builder
    Image Optimizer & Converter
    Color Converter

    Environment Variables Manager
    Kubernetes YAML Generator
    Cron Expression Parser

    AI Prompt Generator & Optimizer
    OpenAI Token Counter & Cost Calculator
    AI-Powered Mock Data Generator

    World Time
    Timestamp Converter

    Developer Blog
    FAQ & Help
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JavaScript Formatter & Minifier

Settings

Indent Size: 2

Statistics

Input: 123B

Lines: 8

Output: 0B

Saved: 0%

Valid JavaScript

Errors: 0

Warnings: 2

Input JavaScript
Formatted Output
Validation Results

Formatting

Code formatting improves readability by:

  • Adding consistent indentation
  • Properly spacing operators and brackets
  • Breaking long lines appropriately
  • Organizing code structure
Minification

Code minification reduces file size by:

  • Removing unnecessary whitespace
  • Removing comments
  • Shortening variable names (advanced)
  • Optimizing code structure