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File Viewer

Bantam includes built-in viewers that let recipients view content directly in their browser without downloads.

Supported File Types

Images

View images with zoom and pan controls:

JPEG/JPG, PNG, GIF, WebP, SVG
Pinch-to-zoom on mobile
Mouse wheel zoom on desktop
Drag to pan when zoomed
Double-click/tap to reset
Fullscreen mode

PDFs

Full-featured PDF viewing:

Page navigation with prev/next buttons
Zoom in/out controls
Page input for direct navigation
Rotate pages
Fullscreen mode
Mobile-optimized touch controls

Videos

HTML5 video player:

MP4, WebM, MOV
Standard playback controls
Fullscreen support
Mobile-friendly interface

Audio

Clean audio player:

MP3, WAV, OGG
Playback controls
Download option
Mobile-optimized

Code & Text

Syntax-highlighted code viewing:

JavaScript, TypeScript, Python, HTML, CSS, JSON
Line numbers and formatting
Raw file access
Mobile-friendly scrolling

Markdown

Rendered markdown display:

Formatted headings and lists
Code blocks with syntax highlighting
Links and images
Toggle between rendered and source view

Documents

Basic document preview:

Excel (.xlsx) - Spreadsheet preview with sheet selector
CSV - Table view with data formatting
Word (.docx) - Basic text content preview

Viewer Interface

Common Controls

Every file viewer includes:

Download button - Get the original file
Raw view button - View source/raw content
Fullscreen toggle - Maximize viewing area
Copy URL button - Share direct link

Mobile Optimization

All viewers are touch-optimized:

Responsive layouts that adapt to screen size
Touch gestures for zoom and pan
Large touch targets for controls
Smooth scrolling and animations

File Information

View metadata for each file:

File name and type
File size
Last modified date
Direct download and raw view links

Unsupported Files

For files without preview support:

Shows file icon and metadata
Provides download button
Displays file type information
Clean, consistent interface