📸 Media Slideshow

A lightweight, privacy-focused web application for viewing photos and videos in a beautiful slideshow format. All processing happens locally in your browser - no uploads, no servers, no tracking.

✨ Features

🖼️ Fullscreen Display - Images and videos fill your entire screen
📅 EXIF Data Extraction - Automatically reads capture date and time from photos
📍 GPS Location Links - Click to view photo locations on Google Maps (satellite view)
🔍 Image Zoom - Mouse wheel zoom (1x - 5x) with pan support
⌨️ Keyboard Navigation - Arrow keys or < > keys to navigate
📂 Folder Overview - Virtual screens for easy navigation between albums
🔒 100% Private - All processing happens locally in your browser
💾 Offline Ready - Download and use completely offline
📱 Responsive - Works on desktop, tablet, and mobile devices

🎨 Supported Formats

Images (12 formats)

JPEG - .jpg, .jpeg
PNG - .png
GIF - .gif
WebP - .webp
AVIF - .avif
HEIC/HEIF - .heic, .heif (Apple format)
BMP - .bmp
TIFF - .tiff, .tif
SVG - .svg

Videos (12 formats)

MP4 - .mp4
MOV - .mov (QuickTime)
AVI - .avi
MKV - .mkv (Matroska)
WebM - .webm
M4V - .m4v
WMV - .wmv (Windows Media)
FLV - .flv (Flash Video)
MPEG - .mpeg, .mpg
3GP - .3gp (Mobile)
OGV - .ogv (Ogg Video)

Note: Both uppercase and lowercase file extensions are supported

📁 Folder Structure

Organize your media files with numeric prefixes for automatic sorting:

media/
├── 01_Vacation_Hawaii/
│   ├── IMG_001.jpg
│   ├── IMG_002.jpg
│   └── video_001.mp4
├── 02_Family_Reunion/
│   ├── photo1.jpg
│   ├── photo2.jpg
│   └── celebration.mov
└── 03_Weekend_Trip/
    ├── DSC_0001.jpg
    └── sunset.mp4

Rules:

Folders should have numeric prefixes: 01_, 02_, 03_, etc.
Files within folders are sorted alphabetically by filename
The prefix is removed in the display (e.g., 01_Vacation_Hawaii → Vacation Hawaii)

🎮 Controls

Key	Action
`←` or `<`	Previous media
`→` or `>`	Next media
Mouse Wheel	Zoom in/out (images only)
Click Image	Toggle zoom on/off

🛠️ Technical Details

Architecture

Single HTML File - Entire application in one self-contained file
No Dependencies - Only uses EXIF.js CDN for metadata extraction
Client-Side Only - No backend, no server, no data transmission
File System Access API - Uses browser's native folder selection

Browser Compatibility

✅ Chrome/Edge (recommended)
✅ Firefox
✅ Safari
✅ Opera

Note: Requires a modern browser with File System Access support

Privacy & Security

🔒 All files stay on your computer
🚫 No data is uploaded to any server
🔐 No tracking or analytics
💾 Can be used completely offline
🌐 No external dependencies (except EXIF.js CDN)

📋 Use Cases

Photo Albums - View vacation photos with date and location info
Video Collections - Watch family videos in sequence
Photography Review - Review EXIF data and GPS locations
Offline Presentations - Present media without internet connection
Privacy-Conscious Viewing - Keep your media completely private

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

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