Read Aloud HTML

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.

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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
Alloy HD
balanced, neutral, versatile
Echo HD
clear, steady, straightforward
Onyx HD
deep, strong, resonant
Nova HD
bright, friendly, approachable
Shimmer HD
light, crisp, expressive

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

1x

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.
PDF
Portable Document
EPUB
E-Book Format
DOCX
Word Document
TXT
Plain Text
HTML
Web Page
URL
Web Link
ODT
Open Document
RTF
Rich Text

How to Read Your HTML File Aloud

Getting started is simple. Upload your HTML file and let AI voices bring your content to life.

Step 1

Upload Your HTML

Drag and drop any HTML file into Readio. Great for saved web pages and exported articles.

Step 2

Select Voice

Choose from natural-sounding AI voices and customize read aloud speed and preferences.

Step 3

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

Offline reading

Listen to saved web pages and articles you downloaded for later, without reopening the original site.

Students

Students

Listen to course pages and online materials exported as HTML while reviewing key sections with highlighting.

Professionals

Professionals

Listen to reports and knowledge-base pages saved as HTML during busy workdays.

Accessibility

Accessibility

Reduce eye strain and make long reading easier to consume. Adjust speed and listen at your own pace.

Frequently asked questions

Yes. You can read HTML files aloud directly in your browser with Readio. Free usage comes with limits, but you can start listening right away. If you need higher limits or MP3 export, you can upgrade anytime.
HTML files that contain mostly readable text work best, such as saved articles, documentation pages, and exported web content. Pages that rely heavily on scripts or embedded apps may not read cleanly.
Yes. Readio works on modern mobile browsers, so you can listen to HTML files on iPhone, iPad, Android phones, and tablets without downloading an app.
Yes. MP3 download is available for paid users. Free users can listen online, and upgrading unlocks MP3 export for offline listening.
Readio supports most major languages and a wide range of natural-sounding voices. Multilingual voices are also available for mixed-language content.
We take privacy seriously. Your file is processed to provide read-aloud playback and is not publicly shared. Avoid uploading confidential personal data and review our Privacy Policy for details.

Ready to start?

Start listening in seconds.

Upload your HTML file and start reading aloud right away.

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