Spreadsheet Tools
Merge Excel Files
Merge Excel Files
in seconds.
Combine multiple spreadsheets into one file. Choose from three merge methods: separate sheets, append rows, or merge columns.
Professional Tool
Merge Spreadsheets
Choose or drag spreadsheets
XLSX, CSV, ODS (Max 10)
No files added yet.
Ready to merge: 0
Consolidating Data
Processing files locally...
0% COMPLETE
Merge Successful!
Your consolidated workbook has been downloaded.
Files Merged
Method
Why use Zappnia's Excel Merger?
- ✓ Three merge modes — sheets, append, or columns.
- ✓ Up to 10 files at once, all processed locally.
- ✓ Supports XLSX, CSV, and ODS formats.
- ✓ 100% free — no hidden fees or limits.
- ✓ Privacy-first — nothing leaves your browser.
- ✓ Instant download with one click.
How it works
1
Upload Files
Drag and drop up to 10 spreadsheets into the tool.
2
Choose Method
Pick how to merge: separate sheets, append, or columns.
3
Download
Get your merged file instantly with one click.
Frequently Asked Questions
Yes, completely free with no hidden limits or watermarks.
You can merge up to 10 files at once. All processing is local.
We support XLSX, XLS, CSV, and ODS file formats.
Yes. Your files are processed locally in your browser and never uploaded to any server.