CSV Header Fixer
Fix multi-row headers in CSV files exported from analytics tools like Adapty, Adjust, or Chartmogul. Merge multiple header rows into a single clean header.
100% client-side processing - your files never leave your browser
Before
Revenue
Revenue
Users
Q1
Q2
Total
After
Revenue - Q1
Revenue - Q2
Users - Total
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Supported formats: CSV, XLSX, XLS (max 50MB)
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