Spire.WordJS
A browser-based Word editor for creating, opening, editing, and exporting Word files, including .doc, .docx, .odt, etc. Supports text formatting, images, tables, paragraphs, and page layouts.
Read moreProduct Introduction
Spire.ExcelJS
Web Excel engine for building, editing, calculating, and exporting spreadsheets. Supports formulas, cell formatting, charts, and data validation.
Read moreSpire.PresentationJS
Edit and create PowerPoint presentations on the client side, with full support for text, graphics, multimedia, and master slide management.
Read more
Why Choose Spire.OfficeJS ？
Front-End
All document processing happens in the browser, simplifying architecture and improving data security.
All-in-One Office Support
Covers Word, Excel, and PowerPoint, providing full capabilities from creation and editing to rendering, and lightweight PDF viewing function.
Multi-Format
Reliable support for all major Office formats, ensuring compatibility across diverse work environments.
Easy-to-Use API
Intuitive and flexible APIs make it quick to integrate into Web applications or SaaS platforms.
WebAssembly Performance
Native-like execution ensures stable performance when editing complex Word, Excel, or PowerPoint documents.
Enterprise-Grade Stability
Built for high-demand scenarios like government systems, enterprise platforms, or online services, ensuring long-term reliability.