Remove Underscores
This tool replaces every underscore in your text with a regular space, turning machine-friendly names into something a person can read comfortably. It's built for file names, database column names, variable names, URLs, and anywhere else underscores were used as a stand-in for spaces.
Paste your text on the left and the cleaned-up version appears instantly on the right, ready to copy, download, or share.
Why do underscores show up in technical text at all?
Underscores became a reliable word separator in computing because, unlike spaces, they
were universally safe across operating systems, file systems, and programming languages.
That reliability made them the backbone of snake_case naming — still standard
in Python, Ruby, database column names, and countless file-naming conventions.
Why remove them?
What reads cleanly to a compiler doesn't read cleanly to a person. Underscores add visual clutter and break the natural word-spacing a reader's eye expects, which makes technical names feel out of place in a document, a presentation, or anything meant for a general audience. They can also trip up screen readers, which don't always treat an underscore as a proper word boundary the way a space is.
What exactly does this tool change?
Every underscore character becomes one space — nothing more. A run of several underscores
in a row (sometimes used for extra visual separation) becomes the same number of spaces,
so the original spacing intent is preserved rather than collapsed down to one. Hyphens are
left completely alone, so a mixed name like my-file_name.txt comes out as
my-file name.txt — only the underscore gets converted.
What happens with a leading or trailing underscore?
It becomes a leading or trailing space, same as any other underscore in the string. Python
conventions like _private_method_ or Python's own __init__ will
come out with visible space at the start and/or end of the result
(" private method " and " init " respectively) rather than
having that whitespace trimmed away. If you want those edge spaces cleaned up afterward,
the Remove Text Formatting tool's "Trim" option
removes leading and trailing whitespace without touching the spaces between words — the
Whitespace Remover tool isn't the right fit here, since
it strips every space in the text, including the ones you just created between words.
Related tools
- kebab-case Converter — convert to hyphen-separated names instead of spaces.
- camelCase Converter — convert to camelCase instead of spaces.
- Remove Text Formatting — trim leading/trailing whitespace and strip extra spaces without removing the spacing between words.
- Title Case Converter — capitalize the result for a heading or title.
Last reviewed: August 2026