Office Editor for Word, Excel, PowerPoint & Docs

ZIZIYI Office is a free online office suite that turns your browser into a powerful document editor. Open, view, and edit Word, Excel, and PowerPoint files directly in Chrome — no installation, no upload, no login required. Whether you receive a DOCX email attachment, download an XLSX report, or need to quickly edit a PPTX presentation, ZIZIYI Office handles it all without leaving your browser. 🔤 DOCS — Full-featured word processor Create and edit Word documents with rich text formatting, tables, images, headers & footers, page layout, and more. Supports DOCX, DOC, ODT, RTF formats. 📊 SHEETS — Powerful spreadsheet editor Work with Excel spreadsheets including formulas, charts, conditional formatting, pivot tables, and data filtering. Supports XLSX, XLS, CSV, ODS formats. 📽️ SLIDES — Professional presentation editor Design and edit PowerPoint presentations with slide layouts, transitions, animations, and speaker notes. Supports PPTX, PPT, ODP formats. ✨ KEY FEATURES • Open on download — Documents you download will open for editing automatically in the browser • Drag & drop — Drop local files into the browser to open and edit them instantly • Create new documents — Start a blank Word, Excel, or PowerPoint file with one click • Professional templates — Ready-to-use templates for documents, spreadsheets, and presentations • Local file support — Open files from your computer via file:// URLs • Cloud import — Import from Google Drive, Dropbox, and OneDrive • Themes — Light, Dark, and High Contrast themes • Multi-language — Available in 50+ languages 🔒 PRIVACY FIRST Your documents are processed entirely in your browser. No files are uploaded to any server. No account or login needed. Your data stays on your device — always. 🌐 OPEN SOURCE Built upon the OnlyOffice open-source engine. We believe in transparency and community-driven development.