Why Use FeatherPeek?
FeatherPeek combines a simple Excel add-in with a fast local service to deliver database-level performance, with minimal setup or complexity.
⚡ Blazing Fast Insights
Instantly explore huge Parquet, CSV, and folder datasets. The local service does the heavy lifting so Excel stays smooth and responsive.
🧠 Work Smarter, Not Harder
No databases, no scripts, no configuration. Analyze big data using the Excel tools you already know.
🛡️ Secure and Local
All processing happens on your machine. Your files never leave your computer, and the add-in only accesses files you choose.
🎁 Completely free to use
There are no subscriptions, no hidden fees, and no trial limits. Just fast, reliable access to your files directly in Excel.
FeatherPeek - Open Large Files Fast in Excel 