Audio Converter: File & Video

iOS Universel / Utilitaires

ConvertBox Pro is a professional media format converter for iPhone and iPad. Import any audio or video file and convert it to the format you need — no internet required, no ads, no watermarks.

POWERFUL FORMAT SUPPORT
Audio: MP3, WAV, M4A, AAC, FLAC
Video: MP4, MOV, M4V
Extract audio from any video file and save as MP3, WAV, or M4A

KEY FEATURES
• Batch conversion — import multiple files and convert them all at once
• Audio trimming — select the exact start and end point before converting
• Video trimming — cut out the segment you want before exporting
• Quality control — choose bitrate (128/192/256/320 kbps) for audio; resolution (Original/1080p/720p/480p) for video
• Waveform preview — visualize and preview audio before converting
• Video thumbnail preview — see a thumbnail and preview video inline
• File size estimation — see predicted output size before you start
• Share or save — send converted files via AirDrop, Messages, or save directly to Files
• Conversion history — revisit all past conversions, re-share, or convert again
• Storage manager — see how much space converted files use and clear them in one tap
• Default settings — set your preferred output format and quality so every conversion starts right
• Home Screen & Lock Screen widgets — see your last conversion and today's count at a glance
• Spotlight search — find converted files directly from the iOS search
• Background notifications — get notified when a long conversion finishes

DESIGNED FOR IPAD AND IPHONE
ConvertBox Pro adapts to your device. On iPad, use the sidebar navigation in Split View or drag and drop files directly from Files. On iPhone, a clean tab-based layout keeps everything within reach.

PRIVACY FIRST
All conversions happen entirely on your device using Apple's AVFoundation framework. Your files are never uploaded to any server.

ONE-TIME PURCHASE
Pay once and use forever. No subscription, no recurring fees.