Spaces to tabs converter
Turn indentation made of spaces into tab characters. Choose how many spaces make one tab: 2, 4 or 8.
How it works
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Paste your text
Type or paste the text in the left box, or open a .txt file. No text to hand? Click Example.
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Instant result
The result appears as you type. Change the options and see straight away what changes.
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Copy or download
Copy the result with one click, save it as a file or use it as input for a next step.
How it works
By default only the indentation at the start of each line is converted: with a width of 4, sixteen leading spaces become four tabs. Any leftover spaces (less than one tab) stay as spaces.
Untick Only indentation at the start of a line to convert runs of spaces anywhere: a run of two or more spaces that reaches a tab stop becomes a tab, and single spaces between words are never touched.
The note shows how many tabs were made. To convert in the other direction, use tabs to spaces.
Frequently asked questions
Is the spaces to tabs free?
Yes. The spaces to tabs is completely free, with no account, sign-up or usage limit.
Is my text stored?
No. Your text is processed in your browser and is not sent to a server or stored.
Is there a maximum length?
No, there is no fixed limit. Very long texts can just be a little slower.