Edit & Clean · browser workspace

Unpivot CSV - Wide to Long Format

Transform wide format to long format. Unpivot columns to rows.

Quick start

Built for transform wide format to long format (unpivot columns to rows).

Everything runs in your browser, so you can test the workflow with sample data when available before using production files.

Output: A new file or report produced locally in your browser.

Preparing your private workspace…

Converts columns into rows, creating variable/value pairs from multiple columns.

Summarize data by grouping and aggregating values.

Flip rows into columns and columns into rows.

Select which columns to keep in your CSV file.

Swap CSV rows and columns in Excel, Python, or a browser, with practical checks for headers, uneven rows, data types, and file-size limits.

Use the symptom-specific walkthrough before changing a production file.

Convert repeated month, measure or category columns into key-value rows while preserving identifier columns and missing values.