Learn when to use this tool, what it supports, and how real users apply it.
Key facts
Category
Data Processing
Input types
file, select
Output type
file
Sample coverage
4
API ready
Yes
Overview
The TXT File Merger is a versatile utility designed to combine multiple text-based files into a single document using various strategic layouts. Whether you need to concatenate logs, interleave data lines, or add custom separators, this tool streamlines your text management workflow without requiring complex software.
When to use
Consolidating multiple log files into a single chronological report.
Merging fragmented data exports into one unified dataset for analysis.
Combining several code snippets or documentation files into a master document.
How it works
1Upload your text files (TXT, MD, CSV, etc.) using the file selector.
2Select your preferred merge strategy, such as concatenation or interleaving.
3Configure optional settings like custom separators, file headers, or line numbering.
4Process the files and download your newly combined text document.
Use cases
Aggregating daily server logs into a single weekly analysis file.
Merging multiple Markdown documentation files into one comprehensive manual.
Combining fragmented CSV data exports into a single master file for spreadsheet import.
Examples
1. Consolidating Server Logs
System Administrator
Background
I have five separate daily log files that I need to review as a single continuous stream.
Problem
Manually copying and pasting content from five files is tedious and prone to error.
How to use
Upload the 5 log files, select 'Concatenate' as the strategy, and set the separator to 'New Line'.
mergeStrategy: concatenate, separator: newline, includeHeaders: no
Outcome
A single, unified log file containing all entries in chronological order.
2. Merging Documentation Chapters
Technical Writer
Background
I have written my project documentation in separate Markdown files for each chapter.
Problem
I need to combine these chapters into one document while keeping track of where each chapter starts.
How to use
Upload the chapter files, select 'Block' strategy, and enable 'Include File Headers'.
FAQ
What file types are supported?
The tool supports plain text formats including .txt, .md, .log, .csv, .html, .css, .js, and .json.
Can I add a separator between files?
Yes, you can choose between a single newline, double newline, or define a custom separator string.
Is there a limit to the number of files I can merge?
You can upload up to 5 files at a time for a single merge operation.
Does the tool preserve file encoding?
Yes, you can specify the output encoding, including UTF-8, ASCII, Latin-1, or UTF-16 LE.
Can I identify which content came from which file?
Yes, by enabling the 'Include File Headers' option, the tool will prepend the original filename to each section.