Split Text File (By Lines or Delimiter)
Local ProcessingSplit a large text file into smaller chunk files by line count or custom delimiter string.
How It Works & Processing Standards
Split a large text file into smaller chunk files by line count or custom delimiter string.
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Current Limits
- Desktop max file size: 100MB
- Mobile max file size: 40MB
For cutting oversized logs or CSVs down to openable sizes, or separating documents joined by a divider. Pieces are numbered files inside a ZIP.
Splitting a CSV by lines leaves the header only in the first piece. Use the CSV split tool to repeat it.
What You Can Do
- By line count
- Split every N lines, such as 1,000.
- By separator
- Split wherever a string such as "---" appears.
How to Use Split Text File (By Lines or Delimiter)
- 1Pick a fileSelect the text file.
- 2Set the ruleLine count or separator.
- 3Download the ZIPSave the pieces.
Examples
Every 1,000 lines
Input: log.txt with 2,500 lines, 1,000 lines
Result: A ZIP with 3 pieces (1,000, 1,000 and 500 lines)
Common Use Cases
- Splitting a CSV too big for a spreadsheet app
- Fitting text to an email length limit
Frequently Asked Questions (FAQ)
Is the separator kept in the output?
No. It is only used to decide where to split and is not included in the pieces.