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Image Ninja is the fastest way to batch convert and compress images on your Mac. Drop in your photos, pick your format, and let the ninja work its magic.

POWERFUL FORMAT CONVERSION
Convert between JPEG, PNG, and WebP formats with a single drag-and-drop. Whether you need WebP for web performance, JPEG for compatibility, or PNG for transparency, Image Ninja handles it all.

INDUSTRY-LEADING COMPRESSION
Unlike basic converters, Image Ninja uses the same encoding technology trusted by major tech companies:
- MozJPEG for superior JPEG compression (up to 10% smaller than standard encoders)
- Google's libwebp for optimal WebP output
- Smart compression presets so you always know what you're getting

SMART COMPRESSION PRESETS
No confusing quality sliders. Choose from four clearly labeled levels:
- None: Maximum quality, original file size
- Low: Best visual quality with slight compression
- Medium: Balanced quality and file size
- High: Maximum compression for smallest files

BLAZING FAST BATCH PROCESSING
Convert hundreds of images at once. Image Ninja processes 3 images in parallel, dramatically speeding up bulk conversions compared to one-at-a-time tools.

PRESERVES YOUR METADATA
Your EXIF data matters. Image Ninja automatically preserves camera information, GPS coordinates, timestamps, and other metadata during conversion.

100% LOCAL & PRIVATE
Your images never leave your Mac. No cloud uploads, no accounts, no subscriptions. Everything is processed locally on your machine.

CONVERSION TRACKING
See exactly what you've accomplished:
- Total files converted
- Bytes saved across all conversions
- Detailed per-file statistics
- Complete conversion history

INTUITIVE INTERFACE
- Drag and drop files directly from Finder
- Click to browse and select multiple files
- Real-time progress indicators
- Light and dark mode support

WHO IS IMAGE NINJA FOR?
- Web developers optimizing images for faster sites
- Photographers batch-processing exports
- Designers preparing assets for multiple platforms
- Content creators reducing file sizes for uploads
- Anyone who needs to convert images quickly

FEATURES AT A GLANCE
- Input: JPEG, PNG, WebP
- Output: JPEG, PNG, WebP, or keep original format
- Batch processing with parallel conversion
- Four compression presets (None, Low, Medium, High)
- EXIF metadata preservation
- Conversion history and statistics
- No internet required

Image Ninja: Professional image conversion made simple.

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