Merge any file online
The best free online merge tools, ranked. Works for every file format we index.
16 merge tools for any file type
PDF26
Clean, easy-to-use PDF toolkit
AvePDF
Combine PDF
Datablist Merge CSV
CSV
Merge-CSV.com
CSV
PDF Bear
PDF Joiner
PDF Resizer
PDF Together
Sheetgo Merge
CSV, Excel, Google Sheets
Document Batch Converter
Free batch converter
iLovePDF
Specialized PDF tools, user-friendly interface
ODT to Word
Free ODT to Word
PDF2Go
Comprehensive PDF management suite.
RTF to Word
Free RTF to Word
Document Watermark
Free watermark tool
Merge by file type
Jump straight to merge tools for the format you have.
Frequently asked questions
Can I merge any file type online?
Yes — there are dozens of free online tools that merge different file formats. The right tool depends on your file. Use the filters above to narrow down by what matters to you.
Do I need to sign up to merge files?
Most tools listed here let you merge files without an account. Toggle "No signup" above to only see those.
Will my files have a watermark after I merge them?
Many free tools add a watermark. Toggle "No watermark" to filter to tools that don't.
What's the best free tool to merge a file?
It depends on the format. The "Best match" sort ranks tools by free + no signup + no watermark + quality, so the top result is usually a safe starting point.