Remove empty lines

Client

Remove lines that are empty or whitespace-only.

How to use

Paste text; blank lines disappear in the output.

About Remove empty lines

Drop blank lines from pasted text—browser cleanup for logs and lists. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

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Nearby workflows on Toolcore

  • Trim lines — Strip leading and trailing whitespace on each line—optionally remove empty lines locally. for the next text or markup step in your edit loop.
  • Remove duplicate lines — Collapse repeated lines in pasted text—trim or case-fold keys, optional sort—browser-only deduper. for the next text or markup step in your edit loop.
  • Split text — Split a string on comma, tab, custom delimiter, or newlines—one token per output line. for the next text or markup step in your edit loop.
  • List converter — Convert lines ↔ JSON array ↔ CSV row—paste lists for configs, APIs, or spreadsheets; local only. for the next text or markup step in your edit loop.

Common use cases

  • Clean pasted stack traces.
  • Tighten bullet lists before diffing.

Common mistakes to avoid

  • Spaces-only lines

    Lines with only spaces are removed (trimmed empty).

FAQ

Keep trailing newline?

Output uses \n between kept lines without a forced trailing blank line.

More tools

Related utilities you can open in another tab—mostly client-side.