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Online Audio Converter logo
Online Audio Converter
✓ verifiedFreemium

Free browser-based audio converter (123apps) supporting 300+ formats to MP3, WAV and more, with tag editing and batch conversion.

4.1M visits/mo
Moises.ai logo
Moises.ai
✓ verifiedFreemium

Musician toolkit for AI stem separation, vocal removal, practice, and vocal/stem generation, any device.

3.8M visits/mo
MMAudio logo
MMAudio
✓ verifiedFreemium

AI tool that analyzes silent video and generates matching sound effects and ambient audio tracks.

50K visits/mo2.2K saves
Pricing
Free: $0 (70 files/day, up to 4 GB)
Premium: $6/mo (unlimited files, up to 10 GB, no ads)

No public pricing

Free: $0 (1 credit/day)
Starter: $4.16/mo billed yearly (150 credits/mo)
Basic: $12.49/mo billed yearly (450 credits/mo)
Advanced: $24.99/mo billed yearly (1,000 credits/mo)
Premium: $41.66/mo billed yearly (2,000 credits/mo)
Core features
  • Convert 300+ audio and video formats
  • Extract audio from video files
  • Adjustable quality, bitrate and channels
  • ID3 tag editing
  • Batch conversion to ZIP
  • Runs in-browser, files auto-deleted
  • AI stem separation and vocal remover
  • Pitch and tempo practice tools
  • AI Studio for generating stems
  • Voice Studio for AI vocal parts
  • Video recording with studio-quality audio
  • Cross-platform apps
  • Video-to-audio synthesis synchronized to footage
  • Context-aware environmental and ambient sound generation
  • Text-to-audio generation from keyword prompts
  • Adjustable clip duration and model selection
  • Credit-based generation with API key management
  • Support for common video formats up to set size limits
Use cases
  • Converting audio to MP3 or other formats
  • Making iPhone ringtones (M4R)
  • Extracting a song from a video
  • Batch-converting many audio files
  • Isolating vocals or instruments for practice
  • Creating backing tracks
  • Songwriting and idea expansion
  • Adding soundtracks and effects to silent video
  • Generating ambient audio for films and clips
  • Creating sound for educational and game content
  • Producing audio from text prompts
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