
MegaRows
Open & Plot Huge CSV, Excel & MATLAB Files, Free
1 ratings3.80
Saves1
CategoryProductivity
PlatformWeb
PricingFree
MegaRows is a browser-based tool that enables users to open, view, plot, and analyze extremely large CSV, Excel, MATLAB, JSON, and Parquet files with millions of rows without uploading data anywhere. It provides advanced features like linked charts, statistics, FFT and PSD analysis, data merging, row counting, and file format conversions, all running locally in the user's browser for privacy and speed.
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Information
CategoryProductivity
PlatformsWeb
PricingFree
AccountNot confirmed
ListedOctober 2026
WebVisit
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Mobile PageSpeed
Automated checks of the public website by Google Lighthouse 13.5.0. Scores can vary between runs.
Checked Oct 18, 2026
Test this website on PageSpeedWebsite checks refresh automatically each week.
- Performance
- 89 out of 100, Needs improvement
- Accessibility
- 100 out of 100, Good
- Best Practices
- 100 out of 100, Good
- SEO
- 100 out of 100, Good
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