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Insert Periodic Blank Lines
Insert an empty separator after every N input lines.
Your results will appear here.
Three steps. That’s it.
A useful toolkit for text, data, images and calculations.
- 01
Add your input
Choose a tool, enter values or select a file.
- 02
Make it yours
Adjust the options and run the action.
- 03
Take the result
Copy the result or download its file.
Periodic empty line inserter online
Insert an empty separator after every N input lines. Use this for the specific transformation described above. Start with the fixed sample and compare its result before replacing it with your own representative input.
How to use it
Paste the multi-line input in the format shown below. Set lines per group. Choose Run tool. Review the output, then copy or download it.
Options and example settings
Worked examples
Use this for the specific transformation described above. Start with the fixed sample and compare its result before replacing it with your own representative input.
Reproducible worked example
Settings: Lines per group: 2
Input:
one two three four
With the input and settings above, the tool produces:
Output:
one two three four
The example output has 5 lines. Compare its order, separators and whitespace with the input before copying the result.
Limitations and common mistakes
- Results reflect your supplied input and selected settings. Check the worked example and output before reuse.
- Combined input is bounded to 150,000 characters; output text is bounded to 1.2 million characters. Some algorithms impose smaller limits, stated in their error messages.
Frequently asked questions
What format should I enter?
Paste the multi-line input in the format shown below. The worked example shows the supported structure and actual output.
How can I insert an empty separator after every N input lines online?
Paste the multi-line input in the format shown below. Set lines per group. Choose Run tool. Review the output, then copy or download it.
Where is my input processed?
The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.
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