# Euphony

> Render AI chat data and Codex logs into browsable views

Euphony is an open-source browser tool that visualizes Harmony JSON/JSONL conversations and Codex CLI session logs as interactive, filterable timelines. It is designed for AI engineers debugging agent workflows and teams building on gpt-oss models, allowing for easy inspection and editing of complex data formats.

- Website: https://openai.github.io/euphony
- Categories: Data & Analytics
- Verified: no
- Canonical: https://toolhaus.ai/product/euphony