Read Aloud HTML
Turn HTML files into audio you can follow. Upload an HTML file and listen with natural AI voices while following along with synchronized highlighting, auto-scrolling, and speed control. Great for saved web pages, exported articles, and offline reading.
Natural AI voices
Listen to HTML files with natural-sounding voices that make long content easier to get through.
- A wide range of voices across major languages
- Multilingual voices for mixed-language content
- Switch voices and adjust speed anytime
Text Highlight
Follow along as it reads.
- Sentences highlight in real time while the page automatically scrolls to the current text.
- Helpful for staying focused during long reading sessions.
Reading and listening simultaneously creates a powerful learning experience that enhances comprehension and retention.
Our synchronized highlighting keeps your eyes on the text while your ears take in the information.
Smart Speed Control
Find your perfect listening pace with precision control.
- Choose from convenient presets (0.75x, 1.5x, 2.5x) or fine-tune to your exact preference.
- Speed up to skim content or slow down for careful review.
Playback Speed
Multiple File Formats
Not just HTML.
- Readio supports PDF, EPUB, DOCX, TXT, HTML, and more so you can listen to documents, ebooks, and drafts in one place.
- Great for turning reading time into listening time anywhere.
How to Read Your HTML File Aloud
Getting started is simple. Upload your HTML file and let AI voices bring your content to life.
Upload Your HTML
Drag and drop any HTML file into Readio. Great for saved web pages and exported articles.
Select Voice
Choose from natural-sounding AI voices and customize read aloud speed and preferences.
Listen
Start reading aloud with synchronized highlighting. Scroll, zoom, and control playback easily.
Who uses Readio
Listen to HTML files so you can review content, learn faster, and reduce screen time.
Offline reading
Listen to saved web pages and articles you downloaded for later, without reopening the original site.
Students
Listen to course pages and online materials exported as HTML while reviewing key sections with highlighting.
Professionals
Listen to reports and knowledge-base pages saved as HTML during busy workdays.
Accessibility
Reduce eye strain and make long reading easier to consume. Adjust speed and listen at your own pace.
Frequently asked questions
Ready to start?
Start listening in seconds.
Upload your HTML file and start reading aloud right away.