Miller

Like awk and sed but for CSV, JSON and tabular data

About Miller

A command-line tool for processing structured data such as CSV, JSON and tabular formats, offering filtering, reshaping, statistics and joins with a scripting language designed for data work. It is free and open source, so teams can self-host it, inspect the code and adapt it to their own infrastructure without licence fees or vendor lock-in. Typical users run it alongside existing workflows to cut manual effort, improve visibility and keep full control over data, configuration and upgrades over time.

Miller key facts

Category: Data & Analytics
Pricing: Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas: cli, csv, json, data processing
Official site: miller.readthedocs.io

About the Data & Analytics category

Analytics and BI platforms that turn raw data into clear insights. The Data & Analytics category on Tools Hub currently lists 712 tools. Alongside Miller, it includes csvkit, pgcli, mycli, litecli.

FreeData & Analyticsclicsvjsondata-processing

More in Data & Analytics

Comparing tools in the Data & Analytics category? These related listings are worth a look: csvkit — Suite of command-line tools for working with CSV; pgcli — Postgres CLI with auto-completion and syntax highlighting; mycli — MySQL CLI with auto-completion and syntax highlighting.