Claude Code Timeline Viewer

Shows a Claude Code session .jsonl file as a searchable, filterable timeline.

Artifact by Simon Willison

IndexedApache-2.0Developer toolsNo sign-up

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Opens tools.simonwillison.net in a new tab. Nothing to install.

Open Claude Code Timeline Viewer Source code

You provide: A .jsonl session file
You get: Interactive timeline
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: AI-built app
Source: Open source
Link check: Answered on Nov 1, 2026

About

Claude Code Timeline Viewer is an AI-built single-page app in the developer tools category (log viewer). It opens in your browser, so there is nothing to install. You provide A .jsonl session file and get interactive timeline. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (simonw/tools).

Category: Developer tools · log viewer

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Details

Auth: No auth
License: Apache-2.0
Repository: github.com/simonw/tools
Website: tools.simonwillison.net/claude-code-timeline
First seen: Oct 31, 2026
Last checked: Nov 1, 2026
Source: GitHub

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Cite this page

Claude Code Timeline Viewer: free online. Agent Mart. https://agentmart.dev/artifacts/claude-code-timeline-viewer (last updated 2026-11-01)