開發人員: 金标 李 (5)
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描述

Hummingbird Video Compression
全新  A clean and efficient iOS app for compressing images, videos, and audio. Highly customizable settings to fit your personal needs. Runs entirely on-device with no network required, ensuring full privacy protection.

Core Features
• Batch select up to 20 images, videos, or audio files
• Supports multiple media formats
• Images: JPEG / PNG / HEIC / WebP
• Videos: MOV / MP4 / M4V
• Audio: MP3 / M4A / AAC / WAV / FLAC / OGG
• Real-time processing progress
• Smart quality-preservation mechanism

Three Main Modules

1. Compression

Image Compression
• Supports JPEG / PNG / HEIC / WebP
• High-quality JPEG compression using MozJPEG
• PNG compressed with Zopfli (lossless)
• Animated WebP Support:
• Auto-detects animated WebP (multi-frame)
• Option to keep animation or convert to a static image
• Frame-by-frame compression with preserved timing
• Smart fallback: keeps original if lossless compression increases size
• Visual indicators: clear animation status and frame count
• Adjustable quality (10%–100%)
• Resolution options (Original / 4K / 2K / 1080p / 720p)
• Automatic orientation detection (landscape/portrait)
• Smart handling: keeps original if compressed file becomes larger

Video Compression
• Supports MOV/MP4/M4V formats
• Uses FFmpeg hardware-accelerated encoding (VideoToolbox)
• Supports H.264 and H.265/HEVC encoding
• Adjustable resolution (Original / 4K / 2K / 1080p / 720p)
• Adjustable frame rate (23.98–60 fps, only supports reducing frame rate)
• Bitrate control:
• Automatic mode (default): intelligently adjusts based on target resolution
• 720p ≈ 1.5 Mbps
• 1080p ≈ 3 Mbps
• 2K ≈ 5 Mbps
• 4K ≈ 8 Mbps
• Custom mode: manually set bitrate (500–15,000 kbps)
• Actual bitrate may be lower than target (VideoToolbox dynamically adjusts based on content complexity to optimize efficiency)
• Smart decision: keeps original file if compressed version ends up larger

Audio Compression
• Supports input: MP3 / M4A / AAC / WAV / FLAC / OGG
• Multiple output options:
• Original (same as input, default)
• MP3 (libmp3lame)
• AAC
• M4A
• OPUS
• FLAC (lossless)
• WAV (uncompressed)
• 8 bitrate options (32–320 kbps):
• 32 kbps – Very low quality
• 64 kbps – Voice/Podcast (mono)
• 96 kbps – Low-quality music
• 128 kbps – Standard MP3 (default)
• 160 kbps – Good quality
• 192 kbps – Very good quality
• 256 kbps – High-quality music
• 320 kbps – Maximum MP3 quality
• 7 sample rates (8–48 kHz):
• 8 kHz – Telephone
• 11.025 kHz – AM radio
• 16 kHz – Wideband voice
• 22.05 kHz – FM radio
• 32 kHz – Digital broadcast
• 44.1 kHz – CD standard (default)
• 48 kHz – Professional audio
• Channel selection (mono / stereo)
• Smart quality protection: prevents “upscaling” low-quality audio
• Smart handling: keeps original if compressed file becomes larger

2. Resolution Adjustment
• Batch resize images and videos
• Presets for common sizes (4K wallpaper, phone wallpaper, social media, etc.)
• Custom resolution supported
• Smart cropping and scaling to preserve full image content

3. Format Conversion
• Batch convert image formats: JPEG ↔ PNG
• Batch convert video formats: MP4 ↔ MOV ↔ M4V
• Lossless conversion with original quality retained
• No compression applied — format change only
更多 ↓

新功能

  • 版本: 1.1.0
  • 發佈日期:
  • More customization options and audio compression support.

價錢

  • 今天: 免費
  • 最小值: 免費
  • 最大值: 免費
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其他資訊

Hummingbird Video CompressionHummingbird Video Compression 縮短網址: 已複製!
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