Convert PDF, EPUB, DOCX and TXT files to MP3 or M4B audio online
Free browser tools and audio processing with on-device privacy
Stage
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Pricing model
Freemium
Freemium
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.
Free: 30 daily audio credits with sign-in. Pay As You Go: $14 USD for 480 Credits (8 audio hours). Regular: $29 USD per month for 2,800 Credits (46 hours 40 minutes).
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
51 focused tools for workflows
Public tools with no signup required
On-device audio processing
SoundCloud hub for multiple tasks
Batch processing up to 50 files
ZIP export for batch results
Audio loudness normalization by LUFS
Audio duration rounded up to nearest minute for credits
Cost preview before processing
PayPal verified payments
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
No signup required for public browser tools
All audio processing stays on your device for privacy
See exact cost before processing any files
Dedicated SoundCloud workflows separate by task type
DocsToAudio
GeeksKai