In simple English
This tool lets you open, sort and filter massive data files inside your text terminal. You do not need a heavy spreadsheet program to inspect rows of numbers or text. It runs fast, uses very little memory and opens files that crash normal apps. It is free to use and has no ongoing fees.
What it is
VisiData is a terminal spreadsheet multitool for exploring and arranging tabular data. It gives you an interactive spreadsheet interface inside your command-line window.
What it is good for
Solo builders who need to inspect large CSV files, clean messy databases or filter raw logs without waiting for a graphical app to load.
- Opens massive data files instantly without crashing your computer.
- Supports dozens of formats including CSV, JSON, SQLite and Excel.
- Navigates entirely with the keyboard for fast data wrangling.
- Requires learning a large set of keyboard shortcuts to do basic tasks.
- Has no graphical mouse interface by design.
- Needs extra Python packages installed to read certain file formats like Excel.
Heavy spreadsheet apps or custom Python scripts for inspecting data files
uv or pipx for managing Python tools
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pipx install visidata