🔍
Log File Analyzer
Upload any .log file and instantly see error counts, warning counts, total line count, and the top 5 most repeated error messages. Useful for quickly triaging application and server logs.
🔒 Processing happens in your browser — files are never uploadedFree · No sign-up required
How to Use
- 1Upload a .log file (up to 50 MB)
- 2The tool automatically scans for ERROR, CRITICAL, and WARNING lines
- 3Review the summary and top repeated errors
Why use ShowPro's Log File Analyzer?
🔒
100% Private
Files never leave your browser. Zero server uploads.
⚡
Instant Results
Processing happens locally — no waiting for uploads.
🆓
Completely Free
No account needed. Use 5 times per day, always free.
Frequently Asked Questions
What log formats are supported?
Any plain-text .log file. The tool detects lines containing ERROR, CRITICAL, or WARNING keywords regardless of format.
Is my log file sent to a server?
No. All analysis runs entirely in your browser.
Learn more about Log File Analyzer
📖❓🔄🔄💻💻💻💻🔧
Log File Analyzer: Parse, Filter & Highlight Errors Insta…
How-to Guide
Log File Analyzer: Free Online Parser & Viewer - ShowPro …
FAQ Reference
ShowPro Log File Analyzer: The Free, Private Jsonformatte…
Free Alternative
ShowPro Log File Analyzer: The Privacy-First, Free Cyberc…
Free Alternative
How to Analyze Log Files on Android: A Step-by-Step Guide…
Platform Guide
How to Analyze Log Files on iPhone: A Step-by-Step Guide …
Platform Guide
How to Analyze Log Files on Mac: A Step-by-Step Guide wit…
Platform Guide
How to Analyze Log Files on Windows: A Browser-Based Guid…
Platform Guide
Log File Analyzer not working: Troubleshooting & Fixes
Troubleshooting