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

Aug. 7, 2026

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

When you are studying English,

Huh? How was I supposed to read this word again?
cat

Have you ever encountered words you don't know?

Even words you have studied once can be forgotten if some time has passed or if you don't use them frequently.

When studying English, you often find yourself re-checking the pronunciation of words you've forgotten, right?

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?

  • I want to check word pronunciation
  • I want to check sentence pronunciation
  • Compatible with American English, British English, etc.

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

In this article, we will introduce the text-to-speech service 『Ondoku』, which is very useful 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 immediately converted to speech and can also be downloaded as an MP3.

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

Accents are not only American English but also British English compatible.

Multiple speakers, such as women and men, 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 a unique option, you can also have text read in Indian English or Australian English.

For English learning listening! Listen to native pronunciation, 67 speakers (trial listening). Voices of women, men, girls, and boys!

For English learning listening! Listen to native pronunciation, 67 speakers (trial listening). Voices of women, men, girls, and boys!

Ondoku is a text-to-speech service that can pronounce languages from all over the world. You can listen to (try out) 67 types of Ondoku's English voices.

『Ondoku』 can be used for free basically.

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

However, if you are just checking English pronunciation, the free range of use is more than enough!

How to use Ondoku

Headphones

Using Ondoku for free is very easy.

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

To use it:

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

That's all there is to it.

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

With foreign 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 display

If you think, "But I want to use an English site for my English studies," you can also set the 『Ondoku』 site to display in English!

PC and notebook

Displaying the site in 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 to "English."

Then, the site will be displayed in English.

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

Textbooks and handouts can also be read aloud

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

This is a function that can read aloud images taken with a smartphone or similar device as audio.

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

This feature instantly solves the problem of "I don't know how to read this" when teaching children English at home or reading English textbooks.

Moreover, it's very convenient because you don't have to enter each word one by one.

【How to use the Image → Text-to-Speech function】

Ondoku's image to text-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 image upload and choose your preferred image
    *On smartphones, you can also launch the camera and take a photo directly here.
  5. Once the image is selected, adjust the speed and pitch of the reading.
  6. Click the read aloud button

Then, it analyzes the image in a few seconds and can read it aloud.

After loading the image, the recognized characters are 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 reading | How to use free OCR to turn text in photos into audio

How to use image reading | How to use free OCR to turn text in photos into audio

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

Ondoku is perfect for English learning

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

Being able to use so many functions for free makes Ondoku very convenient.

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 English studies.

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 approximately 50 languages, 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
Related posts