Data.olllo

What it does

With AI, Open, clean, and visualize 100GB+ CSV, Excel, or JSON files in seconds. No code, no cloud—Data.olllo is the fast, private desktop data tool for everyone.

Download the latest versions of DataOlllo. Optimized for Windows and macOS, Python. Fast, offline, secure data analysis.

The offline alternative to traditional spreadsheets for large datasets. Open, clean, and analyze 10GB+ CSV and Parquet files instantly with a local AI data analyst—100% private, no cloud, no code. Install securely from the Microsoft Store. Includes full AI-powered features, automatic setup, and desktop integration. Full Windows Installer. Includes AI workflow automation features, automatic setup. Recommended for most users. Portable version without installation. Just unzip and run DataOlllo.lnk directly. Ideal for USB drives or restricted systems. macOS DMG installer. Download, open the DMG, drag DataOlllo to Applications, then open it from Applications. Need to deploy DataOlllo across your…from dataolllo.com

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  I built CSV GB+ by Data.olllo, a local data tool that lets you open, clean, and export gigabyte-sized CSVs (even billions of rows) without writing code. Most spreadsheet apps choke on big files. Coding in pandas or Polars works—but not everyone wants to write scripts just to filter or merge CSVs. CSV GB+ gives you a fast, point-and-click interface built on dual backends (memory-optimized or disk-backed) so you can process huge datasets offline. Key Features: Handles massive CSVs with ease — merge, split, dedup, filter, batch export Smart engine switch: disk-based "V Core" or RAM-based "P…

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