Instantly merge baseline and endline datasets. Supports composite keys, selective column imports, and missing data patching. Fully secure, runs 100% offline in your browser.
1 Upload Files
2 Configure Join
3 Results & Export
File A (Baseline / Master)
File B (Endline / Secondary)
Match Keys (Composite Joins)
Select the unique identifier column(s) to link the datasets. Add multiple keys for a composite match (e.g., District + Village + Name).
Merge Strategy
How should we handle records that don't have a perfect match in both files?
Join Type
File B Column Suffix
Appended to File B headers to prevent naming collisions.
Matching Rules
Columns to Import
Select which columns from File B you want to bring into the merged dataset to keep it clean.
0Retention
Merge Complete
0
File A Rows
0
File B Rows
0
Successful Matches
0
Attrition (Missing in B)
Exports:
Records from File A missing in File B
Merged Data PreviewShowing first 10 rows
Processing…
This may take a moment for large datasets
Built by Cynthia Muyunda-Kambobe · Kithms EnterpriseYour data never leaves your browser