Merge Text Files into One
Local ProcessingConcatenate multiple text files into a single unified file with customizable separators and filename headers.
How It Works & Processing Standards
Concatenate multiple text files into a single unified file with customizable separators and filename headers.
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Current Limits
- Desktop max file size: 100MB
- Mobile max file size: 40MB
For collecting split logs, notes or CSVs into one file. Add a separator between files and a filename comment showing where each part came from.
Merging CSVs keeps every file’s header row. If you need one header, use the CSV merge tool.
What You Can Do
- Join in order
- Contents follow the order you picked.
- Separator and header
- A separator between files and filename comments.
How to Use Merge Text Files into One
- 1Pick filesSelect the text files to merge.
- 2Set separationSeparator and whether to add filename headers.
- 3DownloadSave the merged file.
Examples
Merge daily logs
Input: log-01.txt, log-02.txt, filename headers on
Result: One file with each part headed by its file name
Common Use Cases
- Collecting daily logs into one file
- Joining CSV pieces of the same format
Frequently Asked Questions (FAQ)
Characters come out garbled.
Files are read as UTF-8. Convert files saved in legacy encodings to UTF-8 first.