Insert Blank Line After Each Line
Paste text and insert blank lines locally without normalizing its line endings.
A QUICK WALKTHROUGH
How to use this tool
- Paste up to 100,000 characters.
- Insert one blank line after each existing line.
- Review and copy the result.
Line-ending preservation
One additional copy of each existing LF, CRLF, or CR line ending is inserted. Existing text, empty lines, and the final newline remain in place.
Local and bounded
Input is limited to 100,000 characters and output to 500,000 characters. Processing stays in the browser.
GOOD TO KNOW
Common questions
Are LF, CRLF, and CR supported?
Yes. Each supplied line ending is preserved and duplicated in its original form.
Are empty lines preserved?
Yes. Existing empty lines stay unchanged while the new blank lines are inserted.