How to use the Merge Text Files
- Upload your file. Click “Choose file” or drag and drop your document files (you can add several and reorder them).
- Choose your options. Adjust the settings: Separator between files. The defaults work well for most files.
- Process the file. Click “Merge files”. Processing happens right in your browser, so your file never leaves your device.
- Download the result. Preview or download the output. For multiple files use “Download all (ZIP)”.
About this tool
JSON, XML, YAML, SQL, CSS, JS formatters, encoders, regex and code generators.
Read the complete Merge Text Files guide
Frequently asked questions
Is the Merge Text Files free to use?
Yes. The Merge Text Files on Gemma-4 is 100% free with no sign-up, no limits and no watermark. An optional free account lets you save favourites.
Are my files safe?
Yes. This tool processes your file entirely inside your browser, so the file is never uploaded to any server.
Does it work on mobile phones?
Absolutely. The Merge Text Files is fully responsive and works on Android, iPhone, tablets and desktop browsers such as Chrome, Edge, Safari and Firefox.
Is there a file size limit?
You can upload files up to 50 MB each. For very large files, splitting them first gives faster results.
Who is the Merge Text Files useful for?
It is popular with web developers, backend and API engineers, students learning to code — anyone who needs quick, reliable help with formatting, validating and converting code and data.