SheetJS

Rutherford, NJ, USA
Founded 2012

SheetJS LLC develops open-source JavaScript libraries for reading, writing, and processing spreadsheet files in web browsers and server-side environments. Its Community Edition supports a wide range of formats including Excel, Numbers, and Lotus 1-2-3, while its commercial Pro Edition adds advanced features such as styling, image handling, and formula evaluation.

Last Updated: April 5, 2026

Current Valuation

No valuation data available

Funding Summary

No funding data available.

Key People

Eric P Sheets
FounderFounder
Asadbek Karimov
Lead Software Engineer
LinkedIn Profile

Core OSS Projects

Open-source spreadsheet data parser and writer supporting Excel, Numbers, Lotus 1-2-3, and many other formats

License: Apache-2.0

Business Information

Industries

Software

Technologies

JavaScript
Developer Tools
Spreadsheet
Document Processing
Data Processing

Sectors

EnterpriseDevelopers

Licenses

Apache-2.0

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