Wide to Long Data Converter

Convert wide format data to long format data (tidy data)

Step 1: Upload Your CSV File

Select a CSV file with wide format data. The tool will convert it to long format where each row represents a single observation.

About Wide to Long Conversion

What is Wide vs Long Format?

Wide format has multiple columns for different variables, while long format has each observation on its own row with a key-value structure.

Long format is also called “tidy data” and is preferred by most data visualization and statistical analysis tools. In Mappica, many charts and maps can use either wide or long data formats, but in particular cases converting datasets from one to the other format can be useful.

Learn more about wide vs long data formats →

When to Use This Conversion
  • Data visualization tools that expect long format
  • Statistical analysis requiring tidy data
  • Creating time series from multiple columns
  • Preparing data for pivot tables and aggregations
Privacy
  • All processing happens locally in your browser
  • No data is uploaded to our servers