Universal Document Viewer & Editor - Free All-in-One Office Suite Online
Open, edit, format, and convert any office document or text file right inside your browser. Supports Microsoft Word (.docx, .doc), Excel (.xlsx, .xls, .csv), OpenDocument (.odt), PowerPoint (.pptx, .ppt), plain text (.txt), Markdown (.md), and JSON with zero file uploads to external servers.
✓ 100% Free & Unlimited
✓ 100% Browser Local & Private
✓ No Registration Required
How to use Universal Document Viewer and Editor Online
- Step 1: Drag and drop or select any document, spreadsheet, presentation, or text file.
- Step 2: View and format content using the rich toolbar with real-time word and line counters.
- Step 3: Edit text, search & replace keywords, adjust typography, or reorder table grid data.
- Step 4: Export your finished document as DOCX, HTML, TXT, CSV, or PDF with one click.
Frequently Asked Questions
Are my uploaded files stored on your server?
No. All parsing and editing occur 100% locally in your browser memory via client-side WebAssembly and JavaScript engines for complete privacy.
Which file formats are supported?
Supports DOCX, DOC, XLSX, XLS, CSV, ODT, PPTX, PPT, TXT, LOG, MD, JSON, and HTML.
Do I need Microsoft Office installed?
No installation or account registration is required. Everything runs natively in your browser.