Code Beautifier
Format, clean, and validate your code instantly. Choose a language, adjust formatting options, and turn messy source code into clean, readable code directly in your browser.
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// Calculate sum of array
function sum(arr) {
let total = 0;
for (let i = 0; i < arr.length; i++) {
total += arr[i];
}
return total;
}
const numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
console.log("Sum:", sum(numbers));
// Another function
const greet = (name) => {
console.log("Hello, " + name + "!");
};
greet("Pixoptimo");
Valid JavaScript
No syntax errors found
Format Code Online in Seconds
Code can become difficult to read when it has inconsistent indentation, crowded lines, missing spacing, or uneven formatting. Pixoptimo Code Beautifier helps turn that code into a cleaner and more consistent format without requiring an account or complicated setup.
Paste your source code, choose the programming language, select your preferred formatting options, and click Format & Validate. The formatted result appears instantly beside your original code, making it easy to review and copy.
The tool supports popular languages and formats including JavaScript, TypeScript, JSON, HTML, CSS, SCSS, XML, SQL, PHP, Python, Java, C, C++, C#, Go, Rust, YAML, and Markdown.
How to Format Code
1. Add Your Code
Paste your source code into the input editor or upload a supported code file from your device.
2. Choose the Language
Select a programming language manually or let the tool detect the language automatically.
3. Select Formatting Options
Choose a preset or adjust options such as indentation, line width, brace style, quotes, semicolons, and trailing commas.
4. Format and Validate
Click Format & Validate to process the code. The tool formats the source and checks the resulting code for syntax errors where supported.
5. Review and Copy
Compare the original and formatted versions, review the formatting changes, then copy or download the cleaned code.
What Is a Code Beautifier?
A code beautifier is a tool that automatically reorganizes source code into a cleaner and more consistent format. It can improve indentation, spacing, line breaks, brackets, quotes, and other formatting details without changing the intended structure of the code.
Code beautifiers are useful when working with compressed, poorly formatted, copied, generated, or inconsistently styled source code.
Instead of manually fixing every line, a formatter applies predefined rules to the code and produces a more readable version.
Why Use a Code Beautifier?
Readable code is easier to understand, review, maintain, and troubleshoot. A consistent formatting style also makes it easier for teams to work on the same codebase.
A code beautifier can help you:
- Fix inconsistent indentation
- Improve spacing and line breaks
- Organize long or crowded code
- Make nested code easier to read
- Standardize formatting
- Review code changes more easily
- Clean copied or generated source code
- Prepare code for documentation or sharing
Code Languages Supported by Pixoptimo
Pixoptimo Code Beautifier supports a broad selection of popular programming and markup languages.
Programming Languages
- JavaScript
- TypeScript
- Python
- PHP
- Java
- C
- C++
- C#
- Go
- Rust
Web Languages
- HTML
- CSS
- SCSS
- XML
Data & Query Formats
- JSON
- YAML
- SQL
Documentation
- Markdown
The available formatting options can vary depending on the selected language because different languages follow different syntax and formatting conventions.
Built for Everyday Code Formatting
Automatic Language Detection
Don't know which formatter to choose? Auto Detect can identify the language from your code where supported and select the appropriate formatting engine.
Side-by-Side Code Comparison
View the original and formatted versions next to each other. This makes it easier to see how the formatter reorganized your code.
Flexible Formatting Options
Adjust indentation, line width, brace style, quote style, semicolons, trailing commas, and other supported formatting preferences.
Syntax Validation
The tool validates your source code where language support is available and reports syntax problems with useful error information.
Upload Code Files
Upload supported source files directly from your device instead of copying and pasting the code manually.
Copy Formatted Code
Copy the complete formatted result to your clipboard with one click.
Download Formatted Code
Download the formatted source while keeping the appropriate file extension.
Browser-Based Processing
Your code is processed directly inside your browser. Source code does not need to be uploaded to a remote formatting service.
Customize Your Code Formatting
Code Beautifier gives you control over the way supported code is formatted.
Indent Style
Choose between spaces and tabs depending on your preferred coding style.
Indent Size
Set the number of spaces used for each indentation level.
Line Width
Define the preferred maximum line width for supported formatters.
Brace Style
Choose how supported languages place opening braces.
Quote Style
Select single quotes, double quotes, or preserve the existing style where supported.
Semicolons
Choose whether supported formatters should add, remove, or preserve semicolons.
Trailing Commas
Configure trailing comma behavior for languages that support the option.
Maximum Blank Lines
Control consecutive empty lines to keep formatted code compact and readable.
Your Code Stays in Your Browser
Code can contain private source files, API structures, configuration data, or proprietary logic. That's why Pixoptimo Code Beautifier is designed around browser-based processing.
Your code is processed locally in your browser rather than being uploaded to a server for formatting.
You can paste or upload supported code, format it, copy the result, and download the output without creating an account.
When Should You Use a Code Beautifier?
A code beautifier is useful whenever source code is difficult to read because of inconsistent or compressed formatting.
Common situations include:
- Cleaning copied code
- Formatting generated source
- Reviewing unfamiliar code
- Preparing code for documentation
- Fixing inconsistent indentation
- Organizing JSON responses
- Cleaning HTML and CSS
- Formatting SQL queries
- Reviewing JavaScript or TypeScript
- Preparing code before sharing with a team
Why Format Code Automatically?
Manually formatting a large source file can take time and can easily result in inconsistent spacing or indentation.
An automated formatter applies the same formatting rules throughout the selected source, helping developers avoid repetitive cleanup work.
It is especially useful for large files or code containing deeply nested structures.
About Pixoptimo Code Beautifier
Pixoptimo Code Beautifier is a browser-based developer utility for formatting and validating source code. It supports popular programming, web, data, and markup languages, including JavaScript, TypeScript, JSON, HTML, CSS, SQL, PHP, and Python. The tool provides automatic language detection, customizable formatting options, side-by-side input and output views, syntax validation, code copying, and file downloads. Code processing is designed to happen locally in the user's browser.
This paragraph gives search and AI systems a clear understanding of:
Entity → Pixoptimo Code Beautifier
Category → Developer Tool / Code Formatter
Purpose → Format and validate source code
Audience → Developers
Processing → Browser/client-side
Languages → Multiple programming and markup languages
Frequently Asked Questions
What is a code beautifier?
A code beautifier is an online tool that reformats source code into a cleaner and more consistent structure. It improves indentation, spacing, line breaks, and other formatting details according to language-specific rules.
Is Pixoptimo Code Beautifier free?
Yes. Pixoptimo Code Beautifier is free to use and does not require an account or sign-up.
Does the tool store my code?
No. The tool is designed for client-side processing, so source code can be formatted directly inside your browser without being uploaded to Pixoptimo servers.
Which programming languages can I format?
The tool supports JavaScript, TypeScript, JSON, HTML, CSS, SCSS, XML, SQL, PHP, Python, Java, C, C++, C#, Go, Rust, YAML, and Markdown.
