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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

127K visits/mo
eMastered logo
eMastered
✓ verifiedFreemium

AI-powered online audio mastering built by Grammy-winning engineers - upload a track and get a fast, polished master.

732K visits/mo3.0K saves
Udio logo
Udio
✓ verified

Popular AI music generator that turns text prompts into full songs with vocals and instrumentation in seconds.

1.7M visits/mo
Vozard logo
Vozard
✓ verifiedFreemium

Real-time AI voice changer for Windows and Mac with 200+ voices and effects for gaming, streaming and chat.

1.3M visits/mo3.5K saves
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
Pricing

No public pricing

No public pricing

No public pricing

No public pricing

Free: $0 (70 files/day, up to 4 GB)
Premium: $6/mo (unlimited files, up to 10 GB, no ads)
Core features
  • Music Analyzer (Key, BPM, Camelot, Mood Detection)
  • BPM Tapper
  • Music Genre Finder
  • Audio Trimmer
  • Voice Recorder
  • HPCP Chroma
  • Online Metronome
  • AI-driven automatic mastering
  • Fast, single-upload workflow
  • Developed by Grammy-winning engineers
  • Online, browser-based tool
  • Adjustable mastering output
  • Text-to-music generation with vocals and instrumentation
  • Song extension and remixing tools
  • Genre and style-guided generation
  • Library of user-generated tracks to explore
  • Real-time voice changing with low latency
  • 200+ voice effects including celebrities, cartoon and anime characters
  • Works with 14+ platforms: Discord, Zoom, OBS, Fortnite, Twitch and more
  • Background sound effects and meme sounds
  • Converts pre-recorded audio and video files
  • Vocal enhancement for AI cover production
  • Windows and Mac support with 3 free voice effects daily
  • 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
Use cases
  • Find the key, BPM, and Camelot of a song for DJing or remixing.
  • Trim audio files to create loops or samples.
  • Record voiceovers or vocal tracks.
  • Determine the genre of a song for playlist curation.
  • Practice timing with an online metronome.
  • Analyze harmonic content of live instrument playing.
  • Mastering songs quickly without an engineer
  • Polishing tracks for release
  • Getting affordable mastering for independent artists
  • Musicians and hobbyists generating original song ideas from prompts
  • Content creators needing background music or soundtracks
  • Songwriters exploring melody and lyric ideas quickly
  • Voice disguise for gaming and chat
  • Character voices for live streaming
  • Pranking friends in calls
  • Creating AI voice covers and content
  • Converting audio to MP3 or other formats
  • Making iPhone ringtones (M4R)
  • Extracting a song from a video
  • Batch-converting many audio files
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