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JavaScript formatter

Format JavaScript without executing it.

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JavaScript formatter

Your input stays in this browser unless stated otherwise
Clear your input, files and result, and restore the default settings.
Load sample text to explore what this tool can do. This replaces your current input.
0 charactersClear the source text.

How to use JavaScript formatter

  1. Paste the source into the input editor, or load the built-in example.
  2. Set indent spaces.
  3. Run javascript formatter, review the output, then use the available copy or download controls.

What this tool supports

Format JavaScript without executing it.

Indent spaces
Range: 1 to 8

Limits and processing

Text operations generally accept up to 2,000,000 characters. Individual parsers, generators and formulas apply additional limits shown by their controls.

Example source
const greet=(name)=>{return `Hello ${name}`;}

Frequently asked questions

What does javascript formatter do?

Format JavaScript without executing it.

Where is my input processed?

This operation processes its source in your browser. Copy and download are explicit actions; source input is not saved in an account or history.

What are the input limits?

Text operations generally accept up to 2,000,000 characters. Individual parsers, generators and formulas apply additional limits shown by their controls.