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
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