Nirengi Log Analyzer
Nirengi Log Analyzer: A free Mac app for analyzing large, multi-source SEO logs locally. Ranked #7 of 27 in SEO Log File Analysis Tools by our editors (8.8/10); pricing: Free plan; best for mac users analyzing large multi-source logs.
At a glance
- Editor score8.8 / 10
- PricingFree plan
- Best forMac users analyzing large multi-source logs
- Free planYes
- Paid fromFree
- Crawler segmentationYes
- Facts checked21 Sep 2026
Where it wins
- Supports Apache, Nginx, IIS, CloudFront and Cloudflare logs
- Verifies crawler identity with reverse and forward DNS checks
- Exports CSV and self-contained HTML reports without a subscription
Where it doesn't
- Available only on macOS
- Requires uploaded server access logs for analysis
- Report exports are limited to CSV and self-contained HTML
Our verdict on Nirengi Log Analyzer
Nirengi Log Analyzer is a native macOS application for technical SEO specialists, consultants, publishers, SaaS teams and e-commerce teams. It processes server access logs locally to examine Googlebot and AI crawler activity, crawl budget, technical errors, sitemap coverage, content freshness, bandwidth and possible bot spoofing. Support for Apache, Nginx, IIS, CloudFront and Cloudflare logs makes it suitable for teams working across varied hosting and delivery environments. The local workflow also requires no account and does not upload selected logs or analysis results.
Its strongest fit is large-log analysis. Parallel processing is designed for large log files, while the feature set covers crawler segmentation, crawl waste analysis, 404, 5xx, redirect and soft-404 detection, sitemap coverage and orphan-page analysis. Crawler identity verification uses reverse and forward DNS checks, giving technical SEO teams a way to distinguish crawler activity from possible spoofing. These capabilities make Nirengi more than a basic status-code viewer, particularly for investigations involving crawl efficiency and search-engine access patterns.
The pricing is straightforward: the Free plan costs $0, has no subscription or in-app purchase, and includes local macOS log analysis plus CSV and HTML report export. Reports are self-contained in HTML, which supports sharing analysis outside the application. Nirengi should suit Mac-based SEO teams that want local processing and broad log-source support without recurring software costs. Teams needing a Windows or Linux application, or a different operating model than uploaded local log analysis, should consider an alternative.
Your product? Our editors can test Nirengi Log Analyzer in depth and publish a review, labelled as paid · from $149/mo →
Nirengi Log Analyzer pricing
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Nirengi Log Analyzer fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Log input methods | Upload |
| Crawler segmentation | Yes |
| Crawl waste reports | Yes |
| Log processing limit | Not verified |
| Data retention | Not verified |
| Search Console integration | Not verified |
| Deployment | Desktop |
| Platforms | macOS |
| Support | Email, Phone, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan (source) |
| Website | keremgezergun.com |
| Facts checked | 21 Sep 2026 |
Alternatives to Nirengi Log Analyzer
- Patrick Stox Log File AnalyzerA free browser tool for detailed crawler, crawl-waste, and sitemap analysis.9.4
- Crawl LabA free local browser tool for finding crawler activity, errors, and wasted crawl budget.9.3
- SEO Log AuditorA focused, open-source tool for detailed crawl and log diagnostics.9.2
See all Nirengi Log Analyzer alternatives →
Nirengi Log Analyzer vs the competition
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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