LogSentinel v3.9 – Enterprise Log File Analyzer & Error Intelligence Tool
LogSentinel v3.9 is a professional offline log file analyzer and error intelligence tool built for developers, DevOps engineers, system administrators, SOC teams, and power users who need fast, accurate, and scalable log analysis without relying on cloud services or external platforms.
It combines high-speed log scanning, intelligent severity detection, advanced filtering, and a modern desktop interface into a single, easy-to-use application.
Analyze .log and .txt files locally — no cloud uploads, no subscriptions, and no data ever leaves your system.
Instantly process massive log directories, monitor progress in real time, interact with results, and export clean severity reports for audits, troubleshooting, or incident response.
No accounts. No internet required. Full control.
🚀 Key Features
✔ Intelligent log severity detection (DEBUG, INFO, WARNING, ERROR, CRITICAL)
✔ Batch processing of large log files and folders
✔ Include / exclude keyword filtering
✔ Optional regex-based filtering
✔ Drag & drop and multi-select support
✔ Real-time progress bar and live severity counters
✔ Color-coded severity highlighting
✔ Safe stop control — cancel scans anytime
✔ Modern dark UI built with Tkinter & ttkbootstrap
✔ Fully offline — no cloud, no tracking
✔ Full Python source code included
🗂 Workflow & Reliability
LogSentinel is designed for fast, controlled, and secure log analysis:
Log files and folders are scanned and queued locally
Each file is processed line-by-line for memory efficiency
Severity is detected using intelligent keyword patterns
Filters (include, exclude, regex) are applied in real time
Progress and statistics update live
Scanning can be stopped safely at any point
Results are displayed instantly and ready for export
Everything runs entirely on your machine.
No logins. No telemetry. No cloud storage.
🧹 Control & Productivity Tools
Start / Cancel Controls — full control over scan sessions
Live Progress Monitoring — smooth animated progress bar
Safe Cancellation — stop long scans without freezing the UI
Interactive Results Table — per-file severity highlighting
Clean Export Tools — TXT severity reports
Responsive UI — fully usable during massive scans
You stay in control at every step.
🏢 Professional & Developer Friendly
Fully offline operation — ideal for secure or restricted environments
No internet or external services required
Perfect for DevOps, sysadmins, security teams, and developers
Full Python source — easy to customize and extend
Portable EXE build supported (Windows)
Excellent base for automated log analysis and incident response workflows
🖼 Screenshots / Preview
Main LogSentinel v3.9 Interface
Live Severity Statistics & Results View
💼 Versions & Licensing
Standalone Windows EXE
Runs instantly — no installer required
No Python needed
Fully offline and portable
Modern, professional UI
Full Python Source Code
Complete, readable, and editable Python code
Customize severity rules, filters, UI, or export formats
Runs on Windows, macOS, and Linux (Python required)
License Terms
Single-user commercial license
Personal and commercial use allowed
❌ Do NOT resell, redistribute, or rebrand as a competing product
All rights reserved by Mate Technologies
🖥 System Requirements
Windows 10+ (EXE version)
Python 3.10+ (source code version)
Required packages: Tkinter, ttkbootstrap, tkinterdnd2
No internet connection required
Fully offline execution
A professional offline log analysis tool that scans large log files, detects critical issues automatically, applies advanced filters, and delivers real-time severity insights through a modern desktop interface. Designed for developers, DevOps, and IT professionals who need fast, reliable log intelligence with full source code control.