Convert Tabs to Spaces (Untabify)

Replace tab characters with a configurable number of spaces (e.g. 2, 4, or 8 spaces).

How It Works & Processing Standards

Replace tab characters with a configurable number of spaces (e.g. 2, 4, or 8 spaces).

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 2,000,000 characters

Convert Tabs to Spaces (Untabify) is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Convert Tabs to Spaces (Untabify)

  1. 1
    Paste TextEnter text containing tab characters.
  2. 2
    Set WidthChoose spaces per tab (e.g. 2 or 4).
  3. 3
    CopyCopy your space-indented text.

Common Use Cases

  • Standardizing source code to follow 2-space or 4-space indentation guides
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