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127K visits/mo
AI Mastering logo
AI Mastering
✓ verifiedFreemium

Automatic online audio mastering with a free unlimited plan; balances loudness and dynamics.

76K visits/mo
NaturalReaders logo
NaturalReaders
✓ verifiedFreemium

Established text-to-speech app that reads documents, PDFs and webpages aloud in 90+ languages across Personal, Commercial and EDU plans.

3.8M visits/mo
Pricing

No public pricing

Free: $0/mo (unlimited mastering)

No public pricing

Core features
  • Music Analyzer (Key, BPM, Camelot, Mood Detection)
  • BPM Tapper
  • Music Genre Finder
  • Audio Trimmer
  • Voice Recorder
  • HPCP Chroma
  • Online Metronome
  • Automatic AI audio mastering
  • Loudness and dynamic-range balancing
  • Target loudness and mastering-level customization
  • Output format customization
  • Spectrum and loudness analysis
  • Drag-and-drop interface
  • AI text-to-speech in 90+ languages
  • Reads PDFs, docs, webpages and scanned books
  • Voice cloning and prompt-based voice design
  • Study tools: AI podcast, recap, chat, quizzes
  • Web app, mobile apps and Chrome extension
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 music before release
  • Improving demo track quality
  • Independent musicians and producers
  • Listening to documents and ebooks
  • Creating commercial voiceovers
  • Accessibility for dyslexia and vision needs
  • Classroom and EDU accessibility
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