Whitespace Cleaner

Collapse repeated spaces, trim lines, drop empty lines and strip invisible characters.

Text & data Client-side Regex

Tool preview

How to use it

! Collapsing spaces will also alter code indentation.
! Invisible character removal targets zero-width and direction marks, not all control characters.

Why does my text look identical but compare differently?

Zero-width spaces and non-breaking spaces are invisible but count as content; this tool removes them.

Does it change line endings?

It normalises output to line feeds.

Is it safe for code?

Disable space collapsing before cleaning source files.

Processing happens in your browser using the File API, WebAssembly and Web Workers. There is no upload endpoint.

Count words, characters, paragraphs and reading time.

Remove duplicate lines while keeping the original order.

Highlight the differences between two blocks of text.