Spreadsheet Power, Excel-Compatible
The spreadsheet engine built for your tech stack.
Unmatched Performance
Autofill 1,048,576 rows Excel's row limit with formulas in 0.7s
— even on a 4-year-old phone.
— even on a 4-year-old phone.
Handles 250MB+ workbooks and 17B+ cells.
See benchmark resultsInstant Integration
Bring spreadsheet features to your app
— in 1 line of code.
— in 1 line of code.
import("https://cdn.jsdelivr.net/npm/@sheetxl/studio-vanilla").then(({ SheetXL }) => SheetXL.attachStudio("#sheetxl"));
Effortless Customization
Add custom functions with live scripting directly inside your spreadsheet
— no build step required.
— no build step required.
Vectored and Range-Based API.
Explore ScriptingFamiliar, Zero-Cost UI
Excel-grade interface, free forever under the MIT open source license.
Fork it. Embed it. — Own it.
View the SourceSecure, Serverless Architecture
Runs securely in any browser or Node runtime
- zero backend.
- zero backend.
Reduce infrastructure cost and enhance data security.