Convert PDF, EPUB, DOCX and TXT files to MP3 or M4B audio online
Audio technology innovator delivering tools for audio creators
Stage
Not given
Established
Founded
Not given
2012
Based in
Not given
LV
Pricing model
Freemium
Paid
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.
Not given
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
Speaker and headphone calibration
Virtual monitoring with binaural microphone measurement
Room cloning technology
Studio-grade voice changer plugin
Personalized sound profiles
Full room correction system
Works with any over-ear headphones
System-wide plugin including SoundID Reference for Headphones
Dolby Atmos mix support
SDK for integration into consumer devices
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
Personalized measurement through individual HRTF rather than average profiles
Award-winning innovation recognized by CES and industry publications
DocsToAudio