Spaces to Tabs Converter

Convert leading indentation spaces back into tab characters.

Paste text: Spaces per tab:

Result:

How to use

Paste text, set spaces per tab and click Convert. Everything runs in your browser.

Which spaces convert?

Only leading indentation runs — spaces inside a line are left alone.

How many spaces make a tab?

You choose; 4 is the default.

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Every tool runs 100% in your browser — no uploads, no signups. If a tool saved you time, consider supporting us with a small donation.