Merge CSV and Excel Files
Combine spreadsheet rows or join two tables by a shared column, then download the resulting CSV.
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How it works
Paste your content or load the example. Choose the available options, run the tool, then copy or download the result.
A practical example
CSV 1
id,name 1,Ada 2,Lin
Frequently asked questions
Is my input sent to a server?
No. Your content is processed in this browser. It is never sent to the server or saved.
What should I know about Merge CSV and Excel Files?
CSV and XLSX only, up to 2 MB each. Choose a sheet; formulas are never executed. Joins require unique keys on the right.