Data Processing Command-Line Tools

pandoc

Haskell library and command-line tool that converts documents between dozens of markup formats, including Markdown, LaTeX, HTML, docx, EPUB and PDF.

jq

Command-line JSON processor for slicing, filtering, mapping and transforming structured data

fx

Terminal-based JSON processor and viewer for querying, filtering, and manipulating JSON data interactively.

Command-line YAML, JSON, XML, and CSV processor with jq-like syntax for querying and transforming structured data

Transforms JSON into discrete assignments to make it greppable and enable exploration of complex JSON structures

pgcli

Interactive PostgreSQL client with auto-completion, syntax highlighting, and smart context-sensitive suggestions.

mycli

MySQL command line client with auto-completion, syntax highlighting, and smart context-aware SQL suggestions

Command line CSV data manipulation tool for indexing, slicing, analyzing, splitting and joining CSV files

Binary data analysis tool with jq-like query language for formats like MP4, PCAP, ELF, and packet captures

usql

Universal command-line SQL client with PostgreSQL psql-inspired interface for multiple databases

miller

Command-line data processing tool for CSV, TSV, JSON, and JSON Lines with field-based operations

visidata

Terminal interface for exploring and arranging tabular data with support for CSV, JSON, SQLite, Excel, and many other formats.

Converts output of CLI tools, file types, and strings to JSON or Python dictionaries so it can be piped to jq and used in scripts.

Command line HTML processing tool using CSS selectors to filter and extract data from HTML documents

dasel

Command-line tool for querying, modifying, and transforming structured data files (JSON, YAML, TOML, XML, CSV)

HTML parser that uses CSS selectors to extract content from HTML files, similar to jq for JSON

Interactive JSON explorer that takes piped input and lets you drill down with dot-path or JMESPath queries, with tab completion and suggestions.

Interactive terminal JSON viewer and jq filter editor with auto-completion, using the built-in jaq engine; reads files or stdin.

jless

Command-line JSON viewer with syntax highlighting, collapsible sections, and vim-inspired navigation commands

youplot

Command-line tool that generates Unicode plots from CSV/TSV data directly in the terminal

jo

Command-line utility to create JSON objects and arrays from shell arguments and piped input

Cross-platform TUI database management tool for MySQL, PostgreSQL, SQLite, and MSSQL with SQL editor and table operations.

Terminal CSV file viewer with spreadsheet-like navigation and filtering capabilities

qsv

Rust CLI toolkit of composable commands for querying, transforming, validating, joining, and describing CSV, Excel, and other tabular data.

Pure Go implementation of jq command-line JSON processor with arbitrary-precision arithmetic and YAML support

Command-line log analysis tool that parses, filters, and aggregates log data with a pipeline query language and a live-updating terminal UI.

Command-line client for SQLite databases with auto-completion and syntax highlighting.

dblab

Interactive terminal-based database client for PostgreSQL, MySQL, SQLite3, Oracle, and SQL Server

jqp

A terminal UI for running jq queries interactively against JSON or NDJSON input, using the gojq implementation, with themes and query history.

Real-time terminal interface for monitoring MySQL/MariaDB and ProxySQL database performance and analytics

Library for comparing tables and producing diffs, with CLI for CSV/TSV/SQLite and git integration

TUI for querying JSON and CSV files with SQL syntax, reads from stdin and outputs to stdout

Terminal stock dashboard with watchlists, candlestick charts, portfolio tracking, news, and company filings.