Vayu

Vayu is a high-performance, TUI-based JSON log explorer written in Go. It is designed to make reading Newline Delimited JSON (NDJSON) logs effortless and fast, even for large files.

Features

• ⚡ Performance: Lazy-loads log lines, parsing only what is visible. Handles gigabytes of logs with ease.
• 📊 Auto-Columns: Automatically detects relevant fields (Time, Level, Msg) and displays them in a table.
• 👁️ Split View: Navigate the list on the left, see full pretty-printed JSON details on the right.
• 🌈 Syntax Highlighting: Beautiful JSON rendering with Chroma.
• 🔍 Regex Filtering: Type / to filter logs instantly with regex.
• 🛠️ Column Management: Type c to toggle column visibility.
• jj Toggle Sort: Type s to reverse sort order (Newest/Oldest).

Installation

go install github.com/mithileshgupta12/vayu/cmd/vayu@latest

Usage

vayu <path-to-logfile>

Keybindings

License