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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.
🔒 File processing runs locally in your browserFree to start · 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
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Need more power?
Upgrade to Pro for unlimited gated file-processing sessions and an ad-free experience.
Go Pro — $9/monthWhy use ShowPro's Log File Analyzer?
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Private by Design
File-processing tools keep your files in the browser.
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Instant Results
Processing happens locally — no waiting for uploads.
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Free to Start
No account needed for the free tier. Limits are shown where they apply.
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.
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