Free online file merge tools
Combine files of the same type into one, right in your browser. Nothing is uploaded and there's no sign-up. To merge different formats together into a Google Doc, use the Merge Docs Pro add-on.
- Merge Word documents Up to 15 files Merge up to 15 Word .docx files into one document for free, right in your browser. No sign-up and no upload to a server. Download the merged .docx.
- Merge PDF files Up to 50 files Combine up to 50 PDF files into one PDF for free, right in your browser. Pages are copied unchanged, nothing is uploaded, and no sign-up is needed.
- Merge Markdown files Up to 5 files Combine up to 5 Markdown (.md) files into one file in your browser for free. Keep the order you choose, then convert the result with Pandoc or Google Docs.
- Merge text files Up to 50 files Combine up to 50 plain text (.txt) files into one file in your browser for free. Choose the order, merge, and download a single .txt file. No sign-up.
- Merge HTML files Up to 5 files Combine up to 5 HTML files into one valid HTML page in your browser. Each file's body content is kept in order and styles are merged into one head.
- Merge LaTeX files Up to 50 files Combine up to 50 .tex files into one LaTeX document in your browser. Keeps one document class, removes duplicate preamble lines and joins the bodies.
- Merge CSV files Up to 5 files Combine up to 5 CSV files into one in your browser. The header row is kept once when files share it. Free, no sign-up, and no upload to a server.
- Merge TSV files Up to 50 files Stack up to 50 tab-separated .tsv exports into one file in your browser. A shared header row is kept once, and tabs inside your data are left untouched.
Every tool runs entirely in your browser; your files stay on your device.