Add text files
Choose or drop text files
TXT, CSV, LOG, MD, JSON, XML, HTML and code files

Add at least one text file or paste manual text.

Merge order
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Uploaded text files will appear here. Drag rows or use Up and Down to reorder.
Merged preview
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Merge Text Files Online

Use this free merge text files online tool to combine multiple TXT, CSV, LOG, MD, JSON, XML, HTML and code files into one downloadable text file. Upload files, arrange the order, choose a separator and preview the merged output before saving.

The tool also lets you paste manual text, add file name headers, remove empty lines, trim file edges, copy the merged text and download the final result as a TXT file.

Merge many formatsCombine TXT, CSV, LOG, Markdown, JSON, XML, HTML and code files.
Control file orderDrag rows or use Up and Down buttons to arrange the merge sequence.
Private browser toolFiles are read and merged locally in your browser by this tool.

How to Merge Text Files

  1. Choose or drag and drop your text files into the upload box.
  2. Arrange files in the order you want them merged.
  3. Select a separator such as new line, blank line, no separator or custom separator.
  4. Add file name headers if you want each section clearly labeled.
  5. Preview the merged text and check characters, words, lines and file size.
  6. Copy the result or download it as a TXT file.

Best Uses for a Text File Merger

This online text file merger is useful for combining notes, reports, logs, subtitles, CSV exports, Markdown drafts, code snippets, JSON samples and plain text documents. It saves time when you have many small text files and want one clean combined file.

Note: Very large files may take longer to read because everything is processed in the browser. For best performance, keep each uploaded file under 20 MB.

Frequently Asked Questions

How do I merge multiple text files into one?

Upload the files, arrange their order, choose separator options and click Download TXT.

Can I merge CSV and log files?

Yes. You can merge TXT, CSV, LOG, Markdown, JSON, XML, HTML and many code text files.

Can I add a custom separator between files?

Yes. Choose Custom separator and type the separator text you want between merged files.

Are my text files uploaded to a server?

No. This tool reads and merges text files locally in your browser.