AVI to MP4 Converter
Modernise old AVI video into MP4 — usually far smaller, and playable again.
Tabs to Spaces Converter
Convert indentation between tabs and spaces, with tab stops handled properly.
Drop a code file here, or click to choose one
Converted on your device — the file is never uploaded
Converted
Quick Tool Overview
The Tabs to Spaces Converter detects how a file is indented and converts it either way, expanding tabs to real tab stops and leaving tabs inside lines alone unless you ask otherwise.
- What it does
- Converts indentation between tabs and spaces
- You give it
- Code or text
- You get back
- The same code, indented consistently
- Best for
- Linters, code reviews and mixed-indent files
About the Tabs to Spaces Converter
A file indented with both tabs and spaces looks right in the editor it was written in and ragged everywhere else, because every editor picks its own tab width. Linters fail, diffs fill with whitespace changes, and a pull request becomes unreadable.
Paste the code and it tells you what the file uses now — tabs, spaces or a mix — and what the indent step actually is, worked out from the widths that occur. Convert in either direction with a tab width of 2, 4 or 8. Tabs are expanded to the next tab stop rather than to a fixed run of spaces, which is what editors do and what keeps aligned code aligned. By default only the indentation changes, so a tab inside a TSV row or a string is left exactly as it is.
Key features of the Tabs to Spaces Converter
Detects what you have
Tabs, spaces or mixed — and the indent step actually in use.
Real tab stops
A tab advances to the next stop, which is what keeps alignment correct.
Indent only, by default
A tab inside a TSV row or a string is left exactly as it is.
Both directions
Spaces to tabs as well, keeping any leftover alignment spaces.
Mixed files flagged
The warning explains why the file looks different in each editor.
How to use the Tabs to Spaces Converter
-
1
Paste or drop your code
Any language — only whitespace is touched.
-
2
Read what it uses now
Tabs, spaces or mixed, with the indent step detected.
-
3
Choose direction and width
Spaces or tabs, at 2, 4 or 8 columns.
-
4
Copy the result
Paste it back, or download the file.
Frequently asked questions
Only if you ask. By default just the indentation changes, so a tab separating values in a TSV row or inside a string stays exactly as it is.
A tab moves to the next multiple of the tab width rather than always inserting that many spaces. Two spaces followed by a tab, at width 4, becomes four spaces — not six.
Whatever your project already uses — consistency matters more than the choice. Go, Makefiles and many C projects use tabs; Python, JavaScript and Ruby communities mostly use spaces.
Yes, and it tells you the file is mixed first. Converting everything one way is usually the right fix, then commit that change on its own so the diff stays readable.
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