Previewing Files
Onlinedrive includes a built-in file previewer that lets you view many file types directly in your browser without downloading them.
How to Preview
Click on any file in the file browser to open the preview. The preview opens in a full-screen overlay.
Supported File Types
Images
- JPEG, PNG, GIF, WebP, SVG, BMP
- HEIC/HEIF (iPhone photos) — automatically converted for browser viewing
Video
- MP4, WebM, MOV — plays directly with full video controls
Audio
- MP3, WAV, OGG, AAC — plays with an audio player widget
Documents
- PDF — renders in an embedded viewer
- Text files — displays with syntax-friendly formatting (TXT, CSV, JSON, etc.)
Preview Controls
While previewing a file, you can:
- Navigate — Use the left/right arrows to move between files
- Download — Click the download button in the top bar
- Share — Click the share button to share the file
- Close — Click the X button or press Escape
Keyboard Shortcuts
- Left Arrow — Previous file
- Right Arrow — Next file
- Escape — Close preview
File Counter
The preview shows your current position (e.g., "3 / 12") so you know where you are in the file list.
When Preview Isn't Available
For file types that can't be previewed (like ZIP archives or executables), you'll see a "Preview not available" message with a download button instead.
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