Chat Analytics

github.com/mlomb/chat-analytics Messaging Apps Open-source projectOpen source

Chat Analytics turns chat exports into interactive visual analyses, with a web app, demo, and command-line interface.

github.com/mlomb/chat-analytics
Chat Analytics homepage screenshot

About Chat Analytics

Chat Analytics is an open source tool that converts chat exports from supported messaging platforms into interactive, single-file HTML analysis reports. It provides a web app, command-line interface (CLI), and Docker-based self-hosting option for generating these reports. All report generation runs locally on the user's device, either in the browser or via the CLI, so chat data is not transmitted to external servers during processing. The tool supports exports from Discord, Messenger, Telegram, and WhatsApp, with varying feature availability per platform, and does not support combining exports from multiple platforms in a single report.

Key features

  • Converts chat exports to interactive single-file HTML reports
  • Supports Discord, Messenger, Telegram, WhatsApp export formats
  • Runs entirely locally to avoid chat data transmission
  • Offers web app, CLI, and Docker self-hosting options
  • Generates statistics for messages, emojis, sentiment, timeline
  • No cookies used on the associated web interface
Best for: Users who want to privately analyze their personal chat export data without uploading it to external servers.
Good for
  • All processing runs locally, so chat data never leaves the user's device
  • Supports multiple common messaging platform export formats
  • Offers flexible deployment via web app, CLI, or Docker self-hosting
Watch out for
  • Cannot combine exports from different platforms in a single report
  • Feature availability varies significantly by supported platform
  • Generated HTML reports contain sensitive data that can be reconstructed

Chat Analytics at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Android, iOS
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Chat Analytics FAQ

Does chat data leave my device when generating a report?
No, all report generation runs locally in the browser or via CLI, so chat data is not transmitted to external servers.
Can I combine exports from multiple chat platforms in one report?
No, the tool does not support combining exports from different platforms in a single report.
What deployment options are available for Chat Analytics?
You can use the public web app, run the CLI via npx, or self-host using the official Docker image.
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