| Pricing | Free: Standard voices with 50,000 characters per day limit for signed-in users. Premium: Pay-as-you-go credits starting at $5.99 for 5,000 credits, $15 for 15,000 credits, $30 for 30,000 credits, or $50 for 50,000 credits. Credits are valid for 1 year.
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| Key features | - Convert PDF, EPUB, DOCX and TXT files to MP3 or M4B audio
- 300+ Standard voices in 30+ languages
- 800+ Premium AI voices via ElevenLabs and Gemini
- Select pages or chapters before conversion
- Review and edit extracted text before converting
- Download as ZIP of MP3 files or single M4B audiobook
- Background conversion for Premium users
- Re-download audio for 7 days after generation
- Voice cloning with ElevenLabs
- Privacy-first: documents parsed in browser, never uploaded to servers
| - 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 | - Built specifically for long documents with chapter selection and text preview
- Free tier with 50,000 characters daily allowance, no credit card required
- Access to premium AI voices from ElevenLabs and Google Gemini with pay-as-you-go pricing
- Document privacy: file parsing happens in browser, sensitive content never uploaded
| - 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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DocsToAudio
Soundtool