InputTestHub

Tabs to Spaces Converter

Converts tab indentation to spaces or spaces back to tabs, at any tab width.

Developer Nothing uploaded No sign-up Free, unlimited
Developer tool
Paste something on the left to see the result.
In short Tabs to Spaces Converter is a free online tool on inputtesthub.com that converts tab indentation to spaces or spaces back to tabs, at any tab width. It needs no account, no download and no payment, and there is no daily usage limit. Everything is processed inside your own browser, so the data you paste is never uploaded to a server.

How to use the Tabs to Spaces Converter

  1. Paste your code into the input area.
  2. Choose the indentation and output options you want.
  3. Read the formatted result, then copy or download it.

About the Tabs to Spaces Converter

The Tabs to Spaces Converter converts tab indentation to spaces or spaces back to tabs, at any tab width. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.

What people use it for

  • Matching a project's indentation style.
  • Fixing a file that mixes both.
  • Preparing code for a system that mishandles tabs.

Frequently asked questions

Is the Tabs to Spaces Converter free, or is there a paid tier?
It is free, with no account, no trial and no daily cap. Every developer tool on inputtesthub.com works the same way: open the page and use it.
Is what I paste into the Tabs to Spaces Converter stored?
No. The Tabs to Spaces Converter runs entirely in your browser using JavaScript. Nothing is transmitted, logged or stored, which you can verify yourself in the Network tab of your browser's developer tools.
What is the Tabs to Spaces Converter used for?
The most common reasons people reach for it: matching a project's indentation style. Fixing a file that mixes both. Preparing code for a system that mishandles tabs. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Can I use the Tabs to Spaces Converter on mobile?
Yes. The page is responsive and the utility works in Chrome, Safari, Firefox, Edge and Samsung Internet on both Android and iOS. There is no app to install and nothing to sign into.

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