What is Keikai?

Keikai is designed and architected for big data. With frame-based rendering and super light-weight data structure, it is the fastest web spreadsheet regardless of size.

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Recent Keikai Launches

Keikai Doc Where documents meet Java

Launched on April 10th, 2025

Keikai 5 Open Source Spreadsheet Turn your Excel files into Web Apps Instantly

Launched on January 21st, 2020

Keikai 1.0 Turn your Excel files into Web Apps Easily

Launched on July 8th, 2019

View all Keikai launches

Forum Threads

Jean Yen

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27d ago

Keikai Doc - Where documents meet Java

The Future of Interactive Docs & Reports! Bring documents to life with dynamic content, integrated spreadsheets, and AI-powered reporting. Keikai Doc is a customizable, self-hosted solution for data-driven docs—from financial reports to ESG compliance.

Ozgur Ozer

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6yr ago

Keikai 1.0 - Turn your Excel files into Web Apps Easily

Keikai effortlessly turns your Excel files into secured and integrated Web applications. Whether it is a sales report, overtime sheet, finance model, project tracking, or, literally anything.

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