Claude Code Log Viewer

Converts Claude Code JSONL log files into interactive HTML.

Installation

Requires Go 1.21 or later. Install Go from https://go.dev/

git clone https://github.com/brads3290/cclogviewer
cd cclogviewer
make build

Or install directly:

go install github.com/brads3290/cclogviewer/cmd/cclogviewer@latest

Usage

# Quick view (auto-opens in browser)
cclogviewer -input session.jsonl

# Save to file
cclogviewer -input session.jsonl -output conversation.html

# Save and open
cclogviewer -input session.jsonl -output conversation.html -open

Arguments

• -input: JSONL log file path (required)
• -output: HTML output path (optional, auto-generates temp file if omitted)
• -open: Open in browser (automatic without -output)
• -debug: Enable debug logging

Features

• Hierarchical conversation display
• Expandable tool calls and results
• Nested Task tool conversations
• Token usage tracking
• Syntax-highlighted code blocks
• Timestamps and role indicators

Building from Source

make build           # Build binary
make test           # Run tests
make install        # Install to /usr/local/bin

See Makefile for all available commands.