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Preview user-selected local files in Chrome with content-specific viewing tools. Omni Viewer opens many local file formats directly in Chrome, without requiring separate desktop applications. Simply launch the extension and drag and drop a file, or select one from your device. Supported formats include: • Images: JPG, PNG, GIF, BMP, WebP, SVG, PSD • Documents: PDF, Word, Excel, PowerPoint, HWP/HWPX • Data: CSV, TSV, JSON/JSONL, YAML, TOML, Parquet • Text and diagrams: Markdown, Mermaid, PlantUML • Audio and video: MP3, WAV, FLAC, MP4, WebM, MKV, MOV, and more • Archives: ZIP, RAR, 7Z, TAR, GZ, JAR, APK, DMG, and more • Automotive data: DBC, A2L, ASC, ARXML, BLF, MDF/MF4 Key features: • One viewer for many file formats • Drag-and-drop and file picker support • Search, zoom, navigation, and format-specific inspection tools • Local file processing • No account, analytics, tracking, or ads • No host permissions Privacy: Your files are processed locally on your device. Omni Viewer does not upload file contents to an external server. Chrome storage is used only for small interface preferences such as the selected theme. Rendering availability may vary depending on document complexity, compression method, or media codec.
Aug 6, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.