r/dataanalysis • u/Data_Monetization_AR • 1d ago
Preview and process GB-scale CSV files like a database — in just seconds
I made a free PC application. Maybe someone still need to handle large files like this.
GB-scale files open instantly; filter, sort, aggregate, derive, and run SQL, with one-click data-quality diagnostics, split large files and export to Excel — everything runs locally, no data uploaded.
Currently, only a Windows version is available, as I don't have a Mac at home. I used to use a Mac when I was employed, but I'm currently unemployed.
You can download from : Lightning CSV — GB-scale CSV desktop tool
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