Denis Dai

Denis Dai

Founder of OlllO Suite | Expert in Data
Google ChromeData.olllo: AI Workflow AutomatorExcel
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Stop repeating tedious data tasks. Data.olllo records every step you take — cleaning, transforming, analyzing, and visualizing — and turns it into a reusable workflow you can run anytime. Ask questions in plain English, explore any dataset, and let the AI automate complex operations for you — all while keeping your data private and fully local. With an intuitive interface and smart automation, Data.olllo makes powerful data work fast, easy, and stress-free.
Data.olllo: AI Workflow Automator
Data.olllo: AI Workflow AutomatorReuse Your Data Workflows, Fully Local & Private
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.
Data.olllo
Data.ollloAnalyze massive data by taling with AI
Denis Daistarted a discussion

🔍 Explore Your Data, Locally and Privately — Meet Data.olllo

Hey Product Hunt! 👋 I’ve been building Data.olllo — a local, no-code data analysis tool designed for people who want the power of Excel, pandas, and interactive charts… without writing code or uploading data to the cloud. After months of refining, here’s what’s live now: 📁 Supports dozens of formats: CSV, Excel, JSON, SQL, Parquet, and more ⚡ Big data capable: Handles large files without...

Denis Daistarted a discussion

🚀 Introducing Data.olllo – Your Local AI-Powered Data Assistant

Hey Product Hunt! 👋 I’m thrilled to share Data.olllo, a no-code data analysis tool designed to give everyone the power of Python and AI—without writing a single line of code. 💡 Why I built this Data analysis can be intimidating if you’re not a programmer. Spreadsheets are clunky, and learning python (like pandas or Plotly) takes time. I wanted to create something fast, private, and truly...

Denis Daistarted a discussion

Hey Product Hunt! 👋

I’m Denis, the creator of Data.olllo — a powerful desktop AI assistant built to help you open, explore, and analyze massive CSV files (think 100GB+) without crashing your system or writing endless boilerplate code. Data.olllo combines the speed of memory-mapped file processing with the flexibility of Python, wrapped in a fast, responsive UI designed for data developers and analysts. It supports...

CSV GB+ is a powerful, offline data tool designed to open, process, and export very large CSV files—up to billions of rows—with ease. With a clean, no-code interface, it's perfect for anyone working with data, whether you're an analyst or student.
CSV GB+ by Data.olllo
CSV GB+ by Data.ollloHandle CSV Files with Simplicity — No Coding Needed.
Denis Daistarted a discussion

Excel crashes with large CSV files — how do you handle big data locally?

Hey everyone 👋 I’ve run into Excel limits too many times — opening a 2GB CSV can freeze your machine or just fail entirely. I recently built something called CSV GB+ under the Data.olllo project — it opens massive CSV files (even 1000GB) directly. It doesn’t crash, it’s fast, and some features let you manipulate and summarize millions of rows. It’s not a cloud service or browser tool — just a...

Discover the OlllO Suite: Data.olllo for data processing, Model.olllo for model training, and Visi.olllo for interactive visualizations. Power your decisions with OlllO.
OlllO Suite
OlllO SuiteData processing, model training, and visualization tools
Data.olllo is a desktop application designed for handling and processing large datasets efficiently. It provides advanced algorithms to streamline data workflows and improve processing times.
Data.olllo Data Assistant
Data.olllo Data AssistantData processing, Data visualization tools