🔒 Privacy & Security
All data processing happens locally in your browser. No data is sent to external servers, ensuring complete privacy and compliance with research data protection requirements.
📋 Important: File Type Requirements
This tool is designed to work with raw data files that contain individual response records. It will not work properly with 30 day participation summary files. Please ensure you're uploading the raw CSV files containing the actual response data.
Choose Your Tool
How to Use Data Aggregation
1
Upload Files
Drag and drop your CSV files or click to browse. You can upload multiple files at once.
2
Process & Deduplicate
The tool automatically processes your files, merges them, and removes duplicates using ResponseID.
3
Download Results
Download your collated and deduplicated data as CSV or Excel format.
Drop your CSV files here or click to browse
Select multiple CSV files to merge and deduplicate
⚙️ Deduplication Settings
ResponseID (Fixed)
Duplicates are identified based on ResponseID and the first occurrence is kept.
👁️ Display Settings
Processing files...