Whitespace and Line Cleaner

Strip the double spaces, blank lines and repeats left behind by copy-paste. You choose what gets cleaned.

This tool needs JavaScript

The tool runs in your browser, so nothing can be calculated with JavaScript turned off. The rest of the page is still readable.

Text

What to do Collapse repeated spaces Trim spaces at line starts and ends Remove blank lines Remove duplicate lines Join into one line

Result

What counts as whitespace

Plain spaces, tabs and non-breaking spaces (NBSP) are treated together, and Windows line endings (CRLF) are normalised first. Duplicate detection is an exact match and keeps the first occurrence. Your text never leaves the browser.