Merge CSV Files
Combine multiple CSV files into a unified dataset with header-aware column matching and formula safety.
Select at least 2 files (up to 15MB each)
Smart match aligns columns having identical header names across different file layouts.
About Merge CSV Files
Merge two or more CSV files into one combined file. Supports smart header-aware column alignment or sequential row appending with automatic difference detection.
How to Use
- Upload 2 to 10 CSV files that you wish to combine.
- Select alignment mode (Smart Column Header Match or Direct Sequential Append).
- Download the unified, merged CSV dataset.
Inputs & Limits
2 to 10 CSV or TSV files up to 15MB total combined size.
- Smart match by column header name or position-based append
- Detects and reports column differences between files
- Single-pass deduplication of headers
Privacy & Retention
Staged in private storage; temporary files and download tokens expire and purge after 2 hours.
• No customer accounts or registration required.
• Zero tracking or behavioral ad profiling.