Code Formatting
Reformat messy source code into a cleaner and more readable structure.
Code Beautifier
Format and beautify source code across multiple programming languages with clean indentation and readable structure.
Code Beautifier
Select a language and format your code.
Source Code
Paste your code here
Beautified Code
Formatted code will appear here.
Lines
0
Characters
0
Language
JavaScript
Status
Ready
Tip: Use Ctrl + Enter
to beautify quickly.
Browser-based
FREE ONLINE CODE BEAUTIFIER — NO SIGN UP REQUIRED
Code Beautifier
Format & Clean Your Code Instantly
Clean up and format messy code with an easy-to-use online code beautifier. Paste your code, choose the appropriate language, and get a cleaner, more readable version instantly.
Useful for developers, programmers, students, and anyone working with HTML, CSS, JavaScript, JSON, XML, and other supported code formats.
100% Free
Instant Formatting
Developer Friendly
Browser Based
Quick Tool Overview
The All Free Tool's Code Beautifier helps transform difficult-to-read or poorly formatted source code into a cleaner and more consistent structure.
Proper indentation, spacing, and line breaks make source code easier to read, understand, review, and maintain. A code beautifier can save time when working with compressed, copied, or inconsistently formatted code.
Paste your source code into the tool, select the appropriate language or formatting option, and generate a cleaner version that you can copy back into your development project.
About the Code Beautifier
What Is a Code Beautifier?
A code beautifier is a developer utility that reformats source code to make its structure easier to read. It can organize indentation, spacing, line breaks, and other formatting elements according to the selected language or formatting rules.
Why Is Code Formatting Important?
Consistent formatting makes code easier to understand, review, debug, and maintain. It also helps developers quickly identify the structure of nested elements, functions, objects, and other code components.
What Code Can Be Beautified?
Depending on the supported formatting options, developers can use a code beautifier for languages and formats such as HTML, CSS, JavaScript, JSON, XML, and other structured source code.
How the Code Beautifier Works
Paste your code into the input area and select the appropriate language or formatting option. The tool processes the source and applies formatting rules to produce a cleaner and more readable version.
Code Beautifier vs. Code Minifier
A beautifier generally adds structure, indentation, spacing, and line breaks to improve readability. A minifier does the opposite by removing unnecessary whitespace and reducing file size for delivery or performance purposes.
Key Features
Automatic Indentation
Apply consistent indentation to make nested code structures easier to understand.
HTML Formatting
Clean up HTML structure with improved spacing, indentation, and line organization.
CSS Formatting
Organize CSS rules and declarations into a cleaner and easier-to-read format.
JavaScript Formatting
Improve the readability of JavaScript source code with consistent formatting.
JSON Formatting
Format JSON data with clearer indentation and structure for easier inspection.
XML Formatting
Make XML documents easier to read by organizing their structure and indentation.
Large Code Blocks
Format larger sections of source code without manually adjusting every line.
Copy Formatted Code
Copy the cleaned result and paste it directly into your development project.
Browser Based
Beautify code directly in your browser without installing additional formatting software.
How to Use the Code Beautifier
Follow these simple steps to format and clean up your source code.
Open the Code Beautifier
Open the tool and prepare the source code you want to clean and format.
Pro Tip: Keep a copy of your original code before applying formatting changes.
Paste Your Code
Paste the messy, compressed, or inconsistently formatted code into the input area.
Pro Tip: Make sure you paste the complete code you want to format.
Select the Code Language
Choose the appropriate language or formatting option supported by the tool.
Pro Tip: Selecting the correct language helps the formatter apply appropriate formatting rules.
Beautify the Code
Click the beautify or format button to process the source code.
Pro Tip: Wait for the formatted output before replacing your original source code.
Review the Formatting
Inspect the formatted result and confirm that the code structure is displayed correctly.
Pro Tip: Formatting improves readability but does not automatically fix every coding error.
Check for Syntax Issues
Review the output and use an appropriate validator or development environment if you need to check syntax or runtime errors.
Pro Tip: A beautifier and a code debugger solve different problems.
Copy the Formatted Code
Copy the beautified source code once you are satisfied with the formatting.
Pro Tip: Preserve your original source until you have verified the formatted version.
Add It to Your Project
Paste the formatted code back into your editor, project, documentation, or development workflow.
Pro Tip: Run your normal tests after making changes to production code.
Compare Before and After
Compare the original and formatted versions to understand how the code structure has changed.
Pro Tip: Use a code difference tool when you need to inspect formatting changes precisely.
Keep Your Code Consistently Formatted
Use consistent formatting throughout your project to make future development, reviews, and maintenance easier.
Pro Tip: Combine formatting with your project's linting and code-quality workflow when available.