Keep Every Nth Line

Retain only every n-th line from your input. Great for sampling or analyzing structured data.

How It Works

Paste your text, enter a number (like 5), click “Filter,” and get lines 5, 10, 15, and so on.

1. Input

Paste or upload your text file.

2. Settings

Enter the line multiple (e.g., 5 to keep every 5th line).

3. Process

Click Filter to extract only the selected lines.

4. Output

Get your filtered result.

Frequently Asked Questions

What does this tool do?

It keeps only every n-th line (like line 5, 10, 15) from the original input text.

Why would I use this?

It's useful for sampling large logs, datasets, or transcripts when you only want evenly spaced lines.

Is my data uploaded?

No, everything happens securely in your browser. Nothing is stored or transmitted.

Does it support very large files?

Yes, as long as your browser and device can handle the text size.

Interested in learning more? Check the blog post here.

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