Spreadsheet Merger

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Combine several spreadsheet files into one - stack rows or match them up by a shared column.

Combine multiple filesMatch by shared columnHandles odd columns

What you'll fill in

Merge strategyOptional

Anything else?Optional

e.g. Handle mismatched columns, dedup after merge

Example use case

“Merge monthly sales reports into one file, matching by column names”

Prompt previewClick to expand

Create a CSV file merger app.

Merge mode: {merge_requirements}

Upload multiple CSVs, preview each, map columns if needed, merge, preview result, download.

Use PapaParse — import Papa from 'https://esm.sh/papaparse@5'.

{additional_requirements}

Highlighted values like {variable} will be replaced with your inputs.

Fill in the fields and generate your app instantly

CategoryData Files

Fields to fill in2 fields