Text File Merger

Merge multiple text files into one, with optional headers and separators.

Tool Media & Files Updated Apr 19, 2026
How to Use
  1. Drop text files.
  2. Pick a separator style and whether to prepend filename headers.
  3. Download the merged text.
Files
Drop text files
Merged

Notes

Order
Drop order = merge order
Headers
===== filename =====
Encoding
UTF-8 in and out
Separators
Blank lines or ---
Preview
First 50 KB shown
Privacy
Local

About the Text File Merger

Meet the Text File Merger: a free, no-fuss tool for image, audio and file tasks with nothing to install and no sign-up. Merge multiple text files into one, with optional headers and separators.

How it works

Type in what you have, and the answer shows up right away. Change anything and it updates by itself. Everything runs in your browser, so it is fast and nothing you type is sent away.

Want the deeper story? The Knowledge Base explains the ideas behind the tools in more detail.

Frequently Asked Questions

Binary?

Use File Joiner for binary-safe concat.

Encoding?

Everything read as UTF-8.

How do I use the Text File Merger?

Just type your numbers. The answer shows up right away — there is no button to press. Change anything and it updates by itself.

Do I need to install or sign up for anything?

Not at all — it runs in the browser with nothing to install and no account. After it loads once, it even works without an internet connection.

Is my information private?

Yes. Everything happens in your browser. Nothing you type is sent to a server or saved anywhere.

Common Use Cases

Log aggregation

Roll many logs into one.

Markdown book

Concat chapters.

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