> codebench_TOOL: HomeLOCAL-ONLY⌘K Switch
Language:
Tab:
Trailing Comma:
Input (javascript)
Output (Formatted)
Paste code, then press ⌘Enter to beautify
> codebench $Ctrl+Enter Run

What is JS Beautifier?

Beautify and format JavaScript, TypeScript, and HTML code using Prettier. Customize tab width, single/double quotes, semicolons, trailing commas, bracket spacing, arrow parens, and print width. All processing runs in your browser — no server, no data upload.

Key Features