Best Miller Alternatives ranked by AI · updated Aug 2026

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Miller is an open-source command-line tool for processing CSV, TSV, JSON, and other record-oriented data. It targets Unix users who want composable transformations, filtering, and reporting in shell pipelines.

Developer: John Kerl Price: Free 🎯 miller.readthedocs.io

Top 6 Miller alternatives

4

SQL query for CSV

SQL Query for CSV

SQL Query for CSV is a browser-based tool for loading CSV files and querying them with SQL. It is aimed at analysts,...

Pros

  • Runs in a browser without database setup
  • Uses familiar SQL against uploaded CSV files
  • Useful for quick one-off data exploration

Cons

  • Less suitable for recurring workflows than DuckDB or SQLite
  • Browser-based processing can be limiting for very large files
  • Fewer data-cleaning and export features than dedicated CSV tools
5 DSQ logo

DSQ

MultiprocessIO

dsq is an open-source command-line tool for querying CSV, JSON, Excel, and Parquet files with SQL. It is aimed at developers and...

Pros

  • Queries multiple file formats with familiar SQL syntax
  • Runs as a single portable command-line binary
  • Simpler setup than a full database system

Cons

  • Smaller ecosystem than DuckDB or csvkit
  • Less interactive than spreadsheet-style tools such as Visidata
  • Limited documentation and community support compared with larger projects
6

A suite of utilities for converting to and working with CSV files.

Pros

  • Command line interface
  • Good for batch processing

Cons

  • Less user-friendly than GUI tools

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