| Key features | - Upload and listen to your own EPUB books
- Playback speeds from 0.75x to 2x
- Multiple voice options
- Library of 1,500+ public-domain classics
- Works offline with on-device text-to-speech
- Read and listen simultaneously
- Mac early version available
| - 15 playable virtual instruments including piano, guitar, drums, violin, cello, saxophone, trumpet, flute, clarinet, ukulele, harmonica, harp, kalimba, xylophone, and bass guitar
- AI voice cloning with 10-second voice sample recording for Chinese and English
- Speech-to-text transcription with support for 90+ languages and SRT subtitle export
- Stem splitter separating songs into vocals, drums, bass and other stems using Demucs model
- AI noise removal using deep neural network to clean audio from hiss, hum, wind and background noise
- Audio format conversion supporting MP3, WAV, M4A and WebM
- Audio effects including reverb, 8D audio, distortion, delay, echo, chorus, flanger, fade in/out and equalizer
- Signal generators for binaural beats, white noise, tone generation and metronome
- Audio editing with trimming, cutting, merging, reversing, normalization and compression
- Text-to-speech with 30+ AI voices in American and British English
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| What makes it different | - Retain full rights to your books
- No internet required for playback
- Over 1,500 classics instantly available
- Support for your own EPUB files
| - All processing happens entirely in your browser with no server uploads and no registration required
- Complete audio workflow from raw recording to finished export with 67 free tools
- Fully translated into 14 languages with every interface element localized
- All AI tools run entirely on-device with no server cost, no upload queues, and unlimited use
- Instant access to tools with no downloads, plugins or installation required
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CocoReader
Soundtool