Merge Text Files Online | TXT, CSV, LOG Combiner & Merger

Looking for a quick and easy way to merge multiple text files online?

This free and secure tool lets you quickly combine .txt, .csv, .log, .tsv, .md, .json, .xml, and other plain text files directly in your browser — no installation or signup needed.

How to Use

STEP1

Upload Files

Drag and drop or select multiple files you want to merge.

You can upload .txt, .csv, or any other plain text files.

The maximum upload size is 2GB.

STEP2

Remove Headers (for CSV files)

If you're merging CSV files that contain header rows, enable the option to “Remove headers after the second file.”

This prevents duplicate headers from appearing in the middle of the merged file.

For non-CSV files, this option is automatically disabled.
If your CSV files do not contain headers, please uncheck this option.
If you want to keep all headers, leave the checkbox unchecked.

Check whether to remove headers from the second file onwards

STEP3

Download

After confirming the preview, click the Download button.

The tool will instantly generate a single merged file with all your uploaded content.

Features and Specifications

Free and no registration required

Merge any plain text files — CSV, TXT, LOG, TSV, and more

Maximum file size: 2GB

All processing is done locally on your device for complete privacy

❌ Binary formats like PDF, Word, or Excel are not supported

This tool is ideal for:

Data analysts merging CSV exports

Developers combining logs or config files

Writers merging Markdown or plain text documents

Anyone needing to merge .txt, .log, .tsv, or similar files without extra software

Frequently Asked Questions (FAQ)

Can I merge text files online for free?

Yes! This tool is 100% free and requires no signup or installation.

Does this tool support formats other than CSV and TXT?

Yes. It supports any plain text file, including .log, .tsv, .json, .xml, .md, and more — as long as the file is not binary.

Does this tool handle CSV headers correctly?

Yes. You can choose to remove headers after the first file to avoid duplication in merged CSVs.

Is my data safe?

Absolutely. All file processing is done locally in your browser. Your files are never uploaded to a server.

Can I merge files without installing anything?

Yes. Everything works in your web browser — no software or plugins required.

What formats are not supported?

Binary formats like .pdf, .docx, .xlsx, and other non-text files are not supported.

Online Text File Merger

Looking for a quick and easy way to merge multiple text files online?

Upload Files

Remove Headers (for CSV files)

Download