PDF to Audio

Free PDF to Audio Converter Online

Transform your PDF documents into lifelike audio with our advanced AI voices. Upload your PDF, select the pages you want to convert, choose from hundreds of natural voices, and generate high-quality audio files instantly.

Convert PDF to Audio Upgrade

500+ AI Voices

Choose from over 500 AI voices with regional accents and variations across 140+ languages. Find the perfect voice for your PDF content.

Smart PDF Processing

Our AI intelligently extracts text from PDFs while preserving document structure and readability, ensuring accurate audio conversion.

Generous Free Tier

Convert PDFs up to 50MB for free—no sign-up required. Our free plan offers generous limits for personal use and casual listening.

High-Quality Audio

Download professional-quality audio in MP3 format. Perfect for studying, commuting, or sharing with others.

How It Works

Step 1

Upload PDF

Upload your PDF file (up to 50MB for free users). Our system supports all standard PDF formats and automatically extracts the text content.

Step 2

Select Pages & Voice

Choose which pages to convert and select from 500+ natural-sounding AI voices. Customize speed, pitch, and style to match your preferences.

Step 3

Generate & Download

Click generate to convert your PDF to audio. Listen instantly or download the MP3 file for offline use on any device.

Ways to Use PDF to Audio

Listen to your PDFs instead of reading them. Here are some of the most popular ways users convert their PDF documents into engaging audio.

Study & Research

Convert textbooks, research papers, and study materials to audio so you can learn while commuting, exercising, or doing other tasks.

eBooks & Novels

Transform PDF eBooks and novels into audiobooks. Enjoy your favorite stories with natural-sounding narration.

Business Documents

Listen to reports, proposals, and business documents while multitasking. Perfect for busy professionals on the go.

Accessibility

Make PDF content accessible to visually impaired users or those with reading difficulties through high-quality audio conversion.

Language Learning

Improve pronunciation and listening skills by converting foreign language PDFs to audio with native speaker voices.

Content Creation

Convert PDF scripts, articles, or training materials into voiceovers for videos, podcasts, or presentations.

Frequently asked questions

The Readio PDF to Audio Converter is a free online tool that converts PDF documents into natural-sounding audio files using advanced AI voices. It allows you to listen to your PDFs anytime, anywhere.

Simply upload your PDF file, select the page range you want to convert, choose your preferred AI voice, and click 'Generate Audio'. Readio will extract the text and create a high-quality audio file.

Free users can upload PDF files up to 50MB. Premium users with a subscription or character pack can upload larger files without size restrictions.

Yes, it's 100% free for PDFs up to 50MB and requires no registration. You can instantly convert your PDF documents to audio without signing up.

Yes, you can select any page range from your PDF. Convert a single page, a chapter, or the entire document—whatever you need.

We offer over 500 AI voices from Azure and OpenAI, covering 140+ languages and regional accents. You can preview voices before converting to find the perfect match for your content.

Yes, after uploading your PDF, you can review and edit the extracted text before generating audio. This ensures accuracy and allows you to make any necessary corrections.

We provide high-quality MP3 audio files that can be played on any device, including smartphones, tablets, computers, and MP3 players.

Readio's PDF to Audio Converter supports over 140 languages, allowing you to convert PDFs in your preferred language with natural-sounding voices.

Yes. The Readio website is fully mobile-responsive, so you can upload and convert PDFs directly from your phone or tablet.