Turn any PDF into a listenable audio file in under a minute with AI-powered text-to-speech.
Step-by-Step Guide
Create a Free Account — Sign up for VoiceBrief in seconds using your email or Google account. No credit card required. Tip: Use Google sign-in for the fastest setup.
Upload Your PDF — Click the upload button or drag and drop your PDF file. VoiceBrief supports files up to 10MB. Tip: For best results, use text-based PDFs rather than scanned images.
Wait for Text Extraction — VoiceBrief automatically extracts text from your PDF. This usually takes just a few seconds. Tip: Complex layouts with tables or columns may take slightly longer.
Choose Your Audio Type — Select from full text audio, AI summary audio, or Teach Mode for an enhanced learning experience.
Listen or Download — Play your audio directly in the browser or download it as an MP3 for offline listening on any device. Tip: Adjust playback speed between 0.5x and 2x to match your preference.
Benefits
Save Hours of Reading — Listen to documents during commutes, workouts, or chores instead of sitting at a desk.
Better Retention — Audio learning activates different neural pathways, helping you remember more of what you study.
Natural-Sounding Voice — VoiceBrief uses OpenAI's latest TTS technology for voices that sound human, not robotic.
Frequently Asked Questions
What PDF formats are supported?
VoiceBrief supports standard PDF files with embedded text. Scanned PDFs work too via our vision extraction mode, though text-based PDFs give the best results.
How long does conversion take?
Text extraction is instant. Audio generation typically takes 30-60 seconds for a 10-page document, depending on length.
Can I convert PDFs for free?
Yes! The free tier lets you upload up to 3 PDFs and generate audio. Student and Pro plans offer unlimited conversions.
What audio quality can I expect?
VoiceBrief uses OpenAI TTS-1-HD, which produces natural, human-like speech. You can choose from multiple voice options.
Related How-To Guides
How to Study with Audio — Master the art of audio-based studying with science-backed techniques that boost retention and save time.