Hummingbird runs entirely on-device — no data stored, no privacy concerns.

Core Features
• Support batch selection of photos and videos
• Support multiple media formats (Images: JPEG/PNG/HEIC/WebP; Videos: MOV/MP4/M4V)
• Display real-time processing progress

Three Main Modules

1. Compression
• Intelligently compress images and videos to reduce file size
• Support customizable compression quality
• Automatically decide whether to keep the original file (if the compressed one is larger)

2. Resolution Adjustment
• Batch adjust image and video resolutions
• Preset common sizes (4K, 2K, etc.)
• Support custom resolution
• Smart cropping and scaling to preserve image composition

3. Format Conversion
• Convert image formats: JPEG ↔ PNG
• Convert video formats: MP4 ↔ MOV
• Lossless conversion, preserving original quality
• No compression — format change only