Collapse Blank Lines
Collapse blank lines; lengths before/after.
Collapses 3+ newlines to a blank line; reports lengths.
What Collapse Blank Lines does
Collapses 3+ newlines to a blank line; reports lengths.
Practical limit for Collapse Blank Lines: Empty input fails. That is why output can differ from heavy desktop Developer software. Read the tool-specific note again: Collapses 3+ newlines to a blank line; reports lengths.
How to use Collapse Blank Lines
- Keep this tab on Collapse Blank Lines (/developer/collapse-blank-lines). Pasting into the wrong Developer tool (for example Remove Blank Lines) changes the job.
- Paste or type the input Collapse Blank Lines expects. Path hint: developer · collapse blank lines. Collapse blank lines; lengths before/after.
- Apply the Collapse Blank Lines action only. Squeeze Spaces is a different transform (Squeeze spaces; before/after lengths.). Collapses 3+ newlines to a blank line; reports lengths.
- Copy the output of Collapse Blank Lines if you need it elsewhere. Size/complexity still follows: Empty input fails.
- If the text job is actually Drop empty or whitespace-only lines., leave Collapse Blank Lines and open Remove Blank Lines.
When not to use Collapse Blank Lines
Skip Collapse Blank Lines when a neighbor tool matches better — start with Remove Blank Lines or Squeeze Spaces — or when the description already warns the job will fail. In the tool’s own words: Collapses 3+ newlines to a blank line; reports lengths.
Questions about Collapse Blank Lines
- What does Collapse Blank Lines do that other Developer pages on this site do not?
- Collapses 3+ newlines to a blank line; reports lengths. Short version: Collapse blank lines; lengths before/after.
- Does Collapse Blank Lines upload my file or text to Tool-You servers?
- No. Collapse Blank Lines runs in this browser tab. Files stay on the device. Limit note: Empty input fails.
- Should I use Remove Blank Lines instead of Collapse Blank Lines?
- Use Collapse Blank Lines when you need Collapse blank lines; lengths before/after. Use Remove Blank Lines when you need Drop empty or whitespace-only lines. They share a category (Developer) but not the same job.
- What are the limits of Collapse Blank Lines?
- Empty input fails. Also: Collapses 3+ newlines to a blank line; reports lengths.