Whitespace & Line-break Cleaner
Collapse extra spaces, trim lines, and remove blank lines or line breaks.
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Frequently asked questions
Any line that is empty or contains only spaces or tabs is treated as blank. Enable "Remove blank lines" to drop them; the other options never add blank lines.
It joins every line into a single line, replacing each line break with a space. Combined with "Collapse repeated spaces", any double spaces created by the join are reduced to one.
No. All cleanup runs entirely in your browser with JavaScript. Nothing you paste is uploaded, logged, or stored.
Last updated 2026-06-20.