English Learning & Pronunciation: How to Use Free Text-to-Speech "Ondoku"

Aug. 30, 2026

English Learning & Pronunciation: How to Use Free Text-to-Speech "Ondoku"

When you are studying English,

Huh? How was I supposed to read this word again?
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don't you often encounter words you don't know?

Even for words you have studied once, you might forget them if some time has passed or if you don't use them frequently.

When studying English, you often have to re-check the pronunciation of words you've forgotten, don't you?

Furthermore, to read sentences smoothly, it is important to know not only the pronunciation of individual words but also the pronunciation of the sentences.

What method do you use when checking the pronunciation of English words and sentences?

  • Want to check the pronunciation of words
  • Want to check the pronunciation of sentences
  • Support for American English, British English, etc.

There is an attractive text-to-speech site that meets your needs for studying English, such as these!

In this article, we will introduce Ondoku, a text-to-speech service that is very convenient for checking English pronunciation.

Ondoku: A service where you can easily have English read aloud

Ondoku

Ondoku is a text-to-speech site with simple and easy-to-understand operation.

Entered text is instantly converted to speech and can also be downloaded as an MP3.

Ondoku is also perfect for checking the pronunciation of those studying English!

The accents support not only American English but also British English.

Multiple speakers, including female and male voices, are available, so you can choose your preferred voice.

Voice types include:

  • Male
  • Female
  • Girl
  • Boy
  • Genderless

It supports many other languages as well.

As unique options, you can also have text read aloud in Indian English or Australian English.

For English learning listening! Listen to native pronunciation with 92 speakers, including female, male, girl, and boy voices!

For English learning listening! Listen to native pronunciation with 92 speakers, including female, male, girl, and boy voices!

Ondoku is a text-to-speech service that can pronounce languages from all over the world. You can preview (listen to) 92 types of English voices on Ondoku.

Ondoku can be used for free basically.

Paid plans are also available if you want to increase the number of characters for reading aloud.

But if you just want to check English pronunciation, the free range of use is quite sufficient!

How to Use Ondoku

Headphones

The method to use Ondoku for free is very simple.

There is no need to download any apps or software. A convenient point is that everything can be operated via a web browser.

The usage is:

  1. Access the Ondoku site
  2. Enter the text you want to read aloud into the text box (copy and paste is okay)
  3. Adjust to your preferred settings, such as voice type and speech speed
  4. Click Read Aloud

That is all.

The Ondoku website is in Japanese, so operation is very easy!

With overseas sites, you might feel hesitant until you understand how to use them, but with a Japanese site, you can feel at ease!

Using Ondoku in English

When you think, "But I want to use an English site for my English studies," you can also switch the Ondoku site to English!

Computer and notebook

Switching the site to English is also very easy with Ondoku.

At the very top of the site, next to the word "Ondoku," there is a pull-down menu that says "Japanese."

Click this and switch it to "English."

Then, the site will be displayed in English.

If you prefer the English notation for your English studies, please give it a try!

Textbooks and Handouts Can Also Be Read Aloud

Ondoku also has a convenient feature: "Upload an image to read it aloud."

This is a function that allows you to read aloud images taken with a smartphone or other device as audio.

You can take photos of picture books, books, textbooks, etc., and have them read aloud by Ondoku.

This feature instantly solves the problem of "not knowing how to read it" when teaching English to children at home or reading an English textbook.

Moreover, it is very convenient because you don't have to enter words one by one yourself, saving you the trouble.

【How to Use the Image-to-Speech Function】

Ondoku Image-to-Speech Function

  1. Access the Ondoku top page
  2. There are "Text" and "Image" tabs above the text box
  3. Click the "Image" tab
  4. Click upload image and select the image you want
    *On a smartphone, you can also launch the camera and take a photo directly here.
  5. Once the image is selected, adjust the reading speed and pitch.
  6. Click the Read Aloud button

The image will be analyzed in a few seconds, and it can be read aloud as audio.

After loading the image, the recognized text is displayed in the text box.

If there are recognition errors and you want to correct the reading, you can edit it here.

Detailed usage is introduced here.

How to use image-to-speech | How to perform free OCR on text in photos and turn it into audio

How to use image-to-speech | How to perform free OCR on text in photos and turn it into audio

Explaining the Ondoku function that can read text from images and photos (OCR) and read it aloud. It can be used for free. On both PC and smartphone, reading is completed in just a few seconds by simply uploading an image.

Ondoku is Perfect for English Learning

Checking English pronunciation, reading English sentences aloud. Furthermore, it can even recognize text from images and read English aloud...!

Ondoku is very convenient because you can use so many functions for free.

Since it can be used for free, you can try it right now!

We hope that the excellent Ondoku, which reads aloud in English, will help you in your efforts to study English.

Please give it a try.

■ AI voice synthesis software "Ondoku"

"Ondoku" is an online text-to-speech tool that can be used with no initial costs.

  • Supports 81 languages and regions, including Japanese, English, Chinese, Korean, Spanish, French, and German
  • Available from both PC and smartphone
  • Suitable for business, education, entertainment, etc.
  • No installation required, can be used immediately from your browser
  • Supports reading from images

To use it, simply enter text or upload a file on the site. A natural-sounding audio file will be generated within seconds. You can use voice synthesis up to 5,000 characters for free, so please give it a try.

Text-to-speech software "Ondoku" can read out 5000 characters every month with AI voice for free. You can easily download MP3s and commercial use is also possible. If you sign up for free, you can convert up to 5,000 characters per month for free from text to speech. Try Ondoku now.
HP: ondoku3.com
Email: ondoku3.com@gmail.com
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