Spaces to Tabs Converter

Turn leading groups of spaces into tabs without changing ordinary spaces inside text.

Before / afterLine endingsUTF-8 bytesRepeat safely

Paste indented textIndent width

Output

ReadyProcessing stays in your browser.

Tabs are not a fixed visual width

A tab advances to a tab stop in many editors. Converting spaces to tabs can depend on the selected grouping rule.

Repeatable text workflow

Use output as input only when the preview is what you intended. Restore returns to the page-load sample, and the before/after audit remains local to your browser.