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CSV Column Extractor & Filter

Data Converters • 100% Client-Side Processing

Filter CSV tables by column names or indices. Extract only the columns you need for reporting or data ingestion.

Privacy First: CSV Column Extractor & Filter executes 100% locally in your web browser. No inputs or generated outputs leave your device.

Tool Chaining — Continue Workflow

Take your result from CSV Column Extractor & Filter directly into companion utilities:

CSV Formatter & AlignerCSV Validator & LinterCSV to JSON Converter

How to Use

  1. Paste CSV.
  2. Enter column names or indices to keep (e.g. email, name).
  3. Click Extract Columns.

Key Features

  • •Select by column name or 0-based index
  • •Rearranges columns to requested order
  • •Fast in-memory processing

Technical Scope & Limitations

  • • Headers must be unique if referencing by column name.