Code Formatters & Minifiers – Beautify or Compress JS, CSS, HTML, SQL & JSON

13 tools

Format, beautify, and minify code for better readability or maximum compression. Dedicated formatters and minifiers for JavaScript, TypeScript, HTML, CSS, XML, JSON, and SQL — all free and browser-based.

Free Formatters & Minifiers Tools

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JavaScript Formatter

Format and beautify JavaScript code instantly with Prettier. Customise indentation, quote style, semicolons, and trailing…

  • Powered by Prettier
  • Fully Customisable
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TypeScript Formatter

Format and beautify TypeScript code instantly with Prettier. Supports interfaces, generics, decorators, and all TS syntax. Fully…

  • Full TypeScript Support
  • Prettier-Powered
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HTML Formatter

Format and beautify HTML with proper indentation, attribute alignment, and print width control. Powered by Prettier. Fully…

  • Proper Indentation
  • Attribute Formatting
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CSS Formatter

Format and beautify CSS, SCSS, and PostCSS code instantly with Prettier. Control indentation and print width. Fully…

  • CSS, SCSS & PostCSS
  • Modern CSS Support
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XML Formatter

Format and beautify XML documents with proper indentation and structure. Supports RSS, SOAP, SVG, and all XML dialects. 100%…

  • Universal XML Support
  • Proper Nesting
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JSON Formatter

Format, validate, and minify JSON with syntax highlighting and instant error detection. Tree view included. 100% client-side —…

  • Real-Time Validation
  • Tree & Code Views
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SQL Formatter

Format messy SQL queries with proper indentation and keyword capitalization. Supports MySQL, PostgreSQL, SQL Server, Oracle, and…

  • Multi-Dialect Support
  • Smart Indentation
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HTML Minifier

Minify HTML by stripping whitespace, comments, and redundant characters. Compare original vs. minified file size and copy the…

  • Size Comparison
  • Safe Minification
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JavaScript Minifier

Minify JavaScript online using Terser. Remove comments, compress expressions, and mangle variable names to reduce JS file size.…

  • Powered by Terser
  • Name Mangling
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CSS Minifier

Minify CSS online by removing comments, collapsing whitespace, and stripping redundant values. Instant results, no upload —…

  • Instant Minification
  • 5 Optimization Rules
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JSON Minifier

Minify JSON by removing all whitespace and formatting. Validates JSON structure in real time, with optional key sorting and…

  • Instant Validation
  • Key Sorting
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SQL Minifier

Minify SQL by removing comments and collapsing whitespace into a single compact line. Supports all SQL dialects. Instant results…

  • Comment Removal
  • Keyword Normalisation
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HTML Encoder & Decoder

Encode special characters to HTML entities or decode entities back to plain text. Supports named (&) and numeric (&)…

  • Real-Time Conversion
  • Named & Numeric Entities
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Free Formatters & Minifiers Tools — No Login, No Install

Format, beautify, and minify code for better readability or maximum compression. Dedicated formatters and minifiers for JavaScript, TypeScript, HTML, CSS, XML, JSON, and SQL — all free and browser-based. Every tool in this formatters & minifiers collection runs entirely in your browser using client-side processing — no account required, no file uploads to a server, and no data leaves your device.

This collection includes 13 free formatters & minifiers tools: JavaScript Formatter, TypeScript Formatter, HTML Formatter, CSS Formatter, XML Formatter, JSON Formatter, SQL Formatter, HTML Minifier, JavaScript Minifier, CSS Minifier, JSON Minifier, SQL Minifier, and HTML Encoder & Decoder. Each tool is built for speed — results appear instantly without waiting for server round-trips or signing up for an account.

All formatters & minifiers tools are free with no usage limits. Whether you are a developer automating a workflow, a designer checking output, or a non-technical user who needs a quick result, each tool in this category is designed to work without any configuration or documentation.