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Tab and Space Converter
Expand tab characters to fixed spaces, or collapse exact space groups.
Your results will appear here.
Three steps. That’s it.
A useful toolkit for text, data, images and calculations.
- 01
Add your input
Choose a tool, enter values or select a file.
- 02
Make it yours
Adjust the options and run the action.
- 03
Take the result
Copy the result or download its file.
Tab space converter online
Expand tab characters to fixed spaces, or collapse exact space groups. Use this when inspecting or preparing text and structured data. Test the included sample first, then replace it with a small representative part of your own input.
How to use it
Paste your input. Review spaces per tab, mode. Choose Run tool and review the result. Copy or download the output when it matches your requirements.
Options and example settings
Worked examples
Use this when inspecting or preparing text and structured data. Test the included sample first, then replace it with a small representative part of your own input.
Reproducible sample
Settings: Spaces per tab: 4; Mode: expand
Input:
one two three
With the settings above, the output is:
Output:
one two three
The example output has 2 lines. Compare its order, separators and whitespace with the input before copying the result.
Limitations and common mistakes
- Expansion uses fixed-width replacements, not column-aware terminal tab stops.
- Inputs are limited to 250,000 characters in total. Invalid input is reported rather than silently corrected.
Frequently asked questions
How can I check the result?
Run the fixed worked example with the documented settings, compare its output, then check your own input format and units before copying a result.
Does this require an account?
No. This bundled tool runs in your browser without a conversion account.
How can I transform tabs to spaces or spaces to tabs online?
Paste your input. Review spaces per tab, mode. Choose Run tool and review the result. Copy or download the output when it matches your requirements.
Where is my input processed?
The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.
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