CSV Processor with Transformations
A web-based CSV processing tool with column mapping, data filtering, sorting, aggregation, and export to multiple formats. Supports large files via streaming, formula columns, and preview with undo...
Target user
Data analysts and business users who process CSV data
Problem
Business users need to transform CSV data with filtering, sorting, and aggregation without writing scripts or using complex spreadsheet formulas for one-time data processing tasks.
Requirements
- Upload and parse CSV files with preview
- Filter rows by column conditions
- Sort and group by columns
- Add computed formula columns
- Export to CSV, JSON, and Excel
Core technologies
React, TypeScript, PapaParse
Completion criteria
Users can upload, transform, filter, sort, and export CSV data with a preview interface and formula support.
Optional extensions
- Add chart visualization
- Implement saved transformations
- Add data validation rules
- Support scheduled processing
Project phases
Phase 1: Phase 1: Upload and Parse
Tasks: Set up React project, Implement CSV file upload, Parse CSV with streaming preview, Build data table display
Phase 2: Phase 2: Transformations
Tasks: Implement column filtering, Add row condition filters, Build sort and group operations, Create formula column support
Phase 3: Phase 3: Export and Polish
Tasks: Add CSV, JSON, Excel export, Implement undo/redo history, Create transformation summary, Apply responsive design