HTMLViewer Local

HTMLViewer is a local-first document and web viewer. Import from Files, the Share Sheet, or linked folders, then organize and open HTML, Markdown, TSX/JSX, JSON, PDF, Word, Excel, and PowerPoint in one library. It is ideal for AI-generated reports, web prototypes, dashboards, learning materials, office documents, local websites, and self-contained demos. Key features: • One library for eight file categories: HTML, Markdown, TSX/JSX, JSON, PDF, Word, Excel, and PowerPoint • Outline and full-text search in one document navigator, with direct jumps and visible highlights • Offline Office previews for Word and PowerPoint, with access to the original system preview • Excel workbook support with multiple sheets, tab colors, merged cells, common styles, and number formats • Expandable JSON tree with search across keys, paths, and values • Web and component previews that preserve relative resources, plus ZIP sites and React TSX/JSX files • Import from Files, Share Sheet, complete web folders, or linked folders • Browse linked folders in place, refresh external changes, and trigger downloads for iCloud files • Group by type, filter, search, sort, move, rename, and delete library items • Control Markdown style, text size, zoom, theme, JavaScript, and external-resource access Privacy: HTMLViewer requires no account and does not actively collect personal data. You control file and folder access, and imported content stays on your device by default.