LogSentinel v3.9 – Enterprise Log File Analyzer & Error Intelligence Tool

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.

Get LogSentinel Now Starting at $6+
LogSentinel v3.9 Interface

Fast, Accurate, and Scalable Log Analysis Without Cloud Services

LogSentinel v3.9 is built for developers, DevOps engineers, system administrators, SOC teams, and power users who need professional log analysis with complete privacy. Analyze .log and .txt files locally — no cloud uploads, no subscriptions, and no data ever leaves your system.

Fully Offline

No accounts. No internet required. Full control. Everything runs entirely on your machine with zero telemetry or cloud storage.

Lightning Fast

Instantly process massive log directories with real-time progress monitoring and live severity counters. Memory-efficient line-by-line processing.

Full Source Code

Complete Python source included. Easy to customize severity rules, filters, UI, or export formats. Runs on Windows, macOS, and Linux.

🚀 Key Features

✔

Intelligent Severity Detection

Automatic detection of DEBUG, INFO, WARNING, ERROR, and CRITICAL severity levels using intelligent keyword patterns.

✔

Batch Processing

Process large log files and entire folders with drag & drop and multi-select support for maximum efficiency.

✔

Advanced Filtering

Include/exclude keyword filtering with optional regex-based filtering for precise log analysis.

✔

Real-Time Progress

Live progress bar and severity counters with safe stop control to cancel scans anytime without freezing.

✔

Color-Coded Interface

Modern dark UI with color-coded severity highlighting for instant visual analysis of log data.

✔

Export & Reports

Clean TXT severity reports ready for audits, troubleshooting, or incident response documentation.

Live Severity Statistics & Results

Live Severity Statistics & Results View

🗂 Workflow & Reliability

LogSentinel is designed for fast, controlled, and secure log analysis:

1

Log files and folders are scanned and queued locally

2

Each file is processed line-by-line for memory efficiency

3

Severity is detected using intelligent keyword patterns

4

Filters (include, exclude, regex) are applied in real time

5

Progress and statistics update live

6

Scanning can be stopped safely at any point

7

Results are displayed instantly and ready for export

Everything runs entirely on your machine. No logins. No telemetry. No cloud storage.

🏢 Professional & Developer Friendly

Perfect For:

  • ▸ DevOps engineers managing complex infrastructure
  • ▸ System administrators troubleshooting server issues
  • ▸ Security teams conducting incident response
  • ▸ Developers debugging application errors
  • ▸ IT professionals in secure or restricted environments

Key Benefits:

  • ▸ Fully offline operation for maximum security
  • ▸ No internet or external services required
  • ▸ Full Python source for customization and extension
  • ▸ Portable EXE build supported for Windows
  • ▸ Excellent base for automated log analysis workflows

💼 Choose Your Version

Standalone EXE

$6 +
  • ✓ Runs instantly — no installer required
  • ✓ No Python needed
  • ✓ Fully offline and portable
  • ✓ Modern, professional UI
Get EXE Version

Full Source Code

$10 +
  • ✓ Complete, readable Python code
  • ✓ Fully customizable and editable
  • ✓ Runs on Windows, macOS, Linux
  • ✓ Modify severity rules and filters
Get Source Code
BEST VALUE

EXE + Source Code

$12 +
  • ✓ Everything from both versions
  • ✓ Instant portable EXE
  • ✓ Full Python source code
  • ✓ Maximum flexibility
Get Complete Package

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

EXE Version

  • • Windows 10 or later
  • • No Python installation required
  • • No internet connection required
  • • Fully offline execution

Source Code Version

  • • Python 3.10 or later
  • • Tkinter, ttkbootstrap, tkinterdnd2
  • • Windows, macOS, or Linux
  • • No internet connection required

Ready to Take Control of Your Log Analysis?

Join developers, DevOps engineers, and IT professionals who trust LogSentinel for fast, secure, and reliable log intelligence.

Get LogSentinel v3.9 Now

Pay what you want • Starting at $6+ • Instant download