Readable code
Code Formatter
Format JavaScript, TypeScript, JSON, CSS, and HTML code in the browser.
Your input is not stored on our server
How to use Code Formatter
Paste compact or messy code, choose the language and style, and make it readable instantly.
Recommended workflow
- 1.Paste code.
- 2.Choose language and indentation options.
- 3.Format and copy the result.
Code Formatter output checks
- Do not include passwords, API keys, or other secrets.
- Run or validate the output in a test environment.
- Confirm the encoding and formatting options match the destination.
Processing method
The selected language is parsed and printed with the chosen indentation, line breaks, and quote style. Formatting does not validate runtime behavior or security.
How files and inputs are handled
This tool processes files and inputs in the current browser. OneClickTool does not receive or store the original content on its own server.
Frequently Asked Questions
Which languages can I format?
JavaScript, TypeScript, JSON, CSS, and HTML are supported with indentation and quote-style options.
Is pasted code sent to a server?
No. Formatting runs in your browser and the code is not saved on our server.
What happens if the syntax is invalid?
The tool shows an error so you can check the selected language or fix the input.
Supported Scope
Code formatting, JSON validation, Base64, URL encoding, and UTM URL building are supported.
External API calls, server log analysis, and security scanning are not currently supported.
Related Guides
Check the criteria before using the tool to review results faster.
