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LogWerk

On the record

Audience
It is built for developers, sysadmins, and site operators.github.com · read 8 Oct 2026
Browser storage
The most recently loaded log is cached in IndexedDB and restored after a page refresh.github.com · read 8 Oct 2026
Compressed logs
It can load gzip-compressed and plain rotated log files in the browser.github.com · read 8 Oct 2026
Crawler analysis
It classifies more than 70 known bots and crawlers by provider and purpose, including AI crawlers.github.com · read 8 Oct 2026
Export
Users can export the currently filtered results as CSV.github.com · read 8 Oct 2026
Export and persistence
It exports filtered results as CSV and caches the last loaded log in browser IndexedDB for restoration after refresh.github.com · read 8 Oct 2026
Integrations and dependencies
The project loads Tailwind CSS, Chart.js, and Google Fonts from CDNs.github.com · read 8 Oct 2026
Intended users
It is built for developers, sysadmins, and site operators who want to understand traffic without setting up a full log analytics stack.github.com · read 8 Oct 2026
Languages
Its interface supports English, German, French, Spanish, Italian, and Ukrainian.github.com · read 8 Oct 2026
License
The project is licensed under MIT, which permits use, copying, modification, distribution, sublicensing, and sale subject to its stated conditions.github.com · read 8 Oct 2026
Log formats
It detects Nginx and Apache log formats automatically and also supports manual presets and custom regular expressions.github.com · read 8 Oct 2026
Offline use
The maker says the interface loads resources from CDNs and recommends vendoring them locally for a fully offline build.github.com · read 8 Oct 2026
Privacy
The maker says logs are parsed in the browser and never uploaded; no account is needed.github.com · read 8 Oct 2026
Purpose
LogWerk is an offline-first server log analyzer that runs in a web browser.github.com · read 8 Oct 2026
Security analysis
Its Security tab detects listed attack patterns and reports suspicious IPs, 404 paths, and failed logins.github.com · read 8 Oct 2026
Security features
Its Security tab detects listed attack patterns and reports suspicious IPs, 404 paths, and failed logins.github.com · read 8 Oct 2026
Session analysis
It groups requests by IP address and user agent into chronological session timelines.github.com · read 8 Oct 2026
Session journeys
It groups requests by IP and user agent into chronological session timelines.github.com · read 8 Oct 2026

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