jless ☆

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Description:
Command-line pager for JSON data

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: json cli pager developer-tools data-inspection

Install: brew install jless

About:
Jless is a command-line JSON viewer designed for inspecting and navigating large JSON files. It presents data in a structured, collapsible tree view, allowing users to efficiently explore complex data structures. The tool features a powerful query language for filtering and selecting specific data points.

Key Features:

Interactive tree view with collapsible nodes
Powerful query language for filtering data
Vim-inspired keybindings for navigation
Handles large JSON files efficiently

Use Cases:

Analyzing API responses and log files
Inspecting configuration files and data exports
Debugging JSON output from command-line tools

Alternatives:

jq – jq is for transforming/filtering data, jless is for interactive viewing
fx – Similar interactive viewer with different UI/UX approach
less – Generic pager without JSON-specific features

Version History

Detected	Version	Rev	Change	Commit
Sep 12, 2025 12:28pm		0	VERSION_BUMP	60f30996
Sep 11, 2024 2:25am		0	VERSION_BUMP	e15bc97a