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Tab and Space Indent Converter

Convert leading indentation between tabs and spaces locally in your browser, with a configurable space width. Useful when aligning team style or migrating IDE defaults.

Quick switch→Line Ending Converter
IndentationCode format
Quick switch:Line Ending ConverterText Diff CheckerTrim Whitespace

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Use cases

  • Unify project indentation style
  • Normalize indent before code review
  • Batch-convert after IDE default changes

How to use

  1. Paste code text
  2. Choose direction and spaces-per-tab
  3. Copy the converted result

Example input and output

Code

\tconst a = 1

2 spaces

  const a = 1

FAQ

Does it only convert leading indentation?

Yes. It only processes consecutive leading tabs or spaces, not whitespace inside string literals.

What about mixed indentation on a line?

It normalizes leading whitespace by the selected rule. Inspect mixed rows first if alignment is critical.

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