Notice regarding the addition of languages and increase in speakers for Multilingual (Multilingual AI voices)

Jan. 26, 2026

Notice regarding the addition of languages and increase in speakers for Multilingual (Multilingual AI voices)


The text-to-speech service "Ondoku" has launched a "Multilingual Voice" feature that can naturally read aloud multiple languages with a single voice.

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I want to read aloud text that mixes English and Japanese, but switching voices is a hassle...
I want to create educational materials with a mix of Chinese and English...
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We can solve those problems!

Read multiple languages smoothly with Multilingual Voice!

"Multilingual" has been newly added to Ondoku's language selection.

Multilingual is located at the top of the language list.

By selecting "Multilingual", over 40 multilingual voices become available!

The () after the speaker's name indicates which language is the base language for that speaker.

For example, in the case of "Isabella(it)", it indicates that Italian is the base language.

The content within the () matches the language code.

* The "Multilingual" speakers that were previously displayed when selecting individual languages (such as English or Japanese) have now been consolidated here.

Multilingual speaker displays within individual languages will be removed. Please take note.

Features of Multilingual

They can speak various languages, including English, Chinese, Spanish, Arabic, and more.

Speaker: Isabella(it) Pitch: 0

With multilingual speakers, even if you input text in multiple languages, they will read it aloud with native pronunciation for each language.

Click here for the preview page for each Multilingual (multilingual AI voice) voice:

Multilingual AI Voice Preview Page, Useful Tips and Cautions

Here's how you can use it!

Since multiple languages are available, you can read aloud several languages all at once in a single reading. It's also appealing that the atmosphere of the voice remains consistent because it's the same speaker.

1. Creation of Educational Content

Ideal for creating content that uses multiple languages, such as English learning materials and multilingual tourist guides.

For example:

Speaker: Xiaoyu(zh) Pitch: 0

Sentences like these can also be naturally read aloud with a single voice!

2. Global Business Expansion

It is effective in international business scenes such as presentations and product descriptions.

Because it can handle a wide range of needs, such as promotional materials for overseas markets requiring multilingual support and presentation materials for international conferences, it is very useful for strengthening global competitiveness.

3. Production of Multilingual Content

Convenient for producing globally distributed content such as YouTube videos and podcasts.

It is also helpful when you want to reach out beyond language barriers, such as on online learning platforms or social media videos, enabling smoother communication with your audience.

Try it now!

Multilingual voices are available even on the free plan.

You can use up to 5,000 characters for free every month, so why not 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
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"Ondoku" is a Text-to-Speech service that anyone can use for free without installation. If you register for free, you can get up to 5000 characters for free each month. Register now for free