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Free JavaScript
Formatter

Choose multiple JavaScript/TypeScript files. Each file is parsed, formatted, structurally verified and second-pass checked independently before it is allowed into the ZIP.

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FreeUse this tool without paying.No sign upStart with the tool right away.Clear stepsRead the tool’s own guidance.

About Free JavaScript Formatter

Production-grade formatting for JavaScript, JSX, TypeScript and TSX — with syntax-aware structural reflow, exact comment preservation, semantic fingerprinting and a mandatory second-pass stability check. Everything runs locally in your browser.

Workspace options

  • Language
  • Profile
  • Indent
  • Braces
  • Reflow width
  • Filename / parser hint

Available actions

  • Formatter
  • Batch
  • Settings
  • Guide
  • Format
  • Sample