【Ondoku】Supported Languages, Voice Types, and Sample Audio Preview
Jan. 26, 2026

Which languages does Ondoku support?
Ondoku currently supports 80 languages and dialects, allowing you to enjoy realistic and native pronunciation.
| English | Chinese | Spanish |
| Arabic | French | Hindi |
| Indonesian | Malay | Portuguese |
| Bengali | Russian | Japanese |
| German | Punjabi | Javanese |
| Korean | Tamil | Vietnamese |
| Telugu | Marathi | Urdu |
| Italian | Turkish | Polish |
| Gujarati | Persian | Thai |
| Ukrainian | Malayalam | Kannada |
| Azerbaijani | Odia | Burmese |
| Tagalog | Nepali | etc., over 80 in total |
Many languages are supported.
The "Language" dropdown display on the Ondoku top page is in the local language.
A detailed list of languages can be found on the Ondoku Language List page. On the list page, each language is written in its own native script, making it easy to find the target language.
What types of voices does Ondoku have?

Ondoku features a total of over 650 speakers.
| Male | Female | Boy | Girl | Genderless |
There are various types of voices. From cute voices to cool voices, cheerful voices, and deep voices, there is a wide range available.
Many dialects are also supported. You can learn about different voice characteristics, accents, and language variations.
For example,
- English: You can enjoy various accents such as American, British, Australian, and Indian.
- Chinese: In Chinese, not only Standard Chinese (Mandarin), but also dialects such as Cantonese and Taiwanese are available.
Audio Sample Page

We have prepared sample audios so you can listen to the voices of each country in Ondoku.
- Multilingual sample voices (46 types)
- Japanese sample voices (16 types)
- English sample voices (67 types)
- French sample voices (45 types)
- German sample voices (24 types)
- Ukrainian sample voices (3 types)
- Italian sample voices (22 types)
- Spanish sample voices (45 types)
- Portuguese sample voices (28 types)
- Russian sample voices (10 types)
- Chinese sample voices (41 types)
- Korean sample voices (14 types)
- Indonesian sample voices (8 types)
- Malaysian/Malay sample voices (2 types)
- Thai sample voices (4 types)
- Vietnamese sample voices (6 types)
- Filipino (Tagalog, Visayan, Cebuano) sample voices (6 types)
How many characters can Ondoku read for free?

The text-to-speech software "Ondoku" allows you to read 5,000 characters for free every month using AI voices.
You can easily download MP3 files, and commercial use is also possible.
After logging in, you can check the next renewal date from the Settings.
You can check the remaining number of available characters from the History.
For Free Plans
- Non-member: 1,000 characters / month
- Free Member: 5,000 characters / month
For Paid Plans
- Basic: 200,000 characters / month
- Value: 450,000 characters / month
- Premium: 1,000,000 characters / month
Please check here for more details about the fees for paid plans.
What are the rules for commercial use of Ondoku?
Ondoku can be used in any way for personal use, provided it does not involve prohibited acts.
*Personal use: A usage method where you alone enjoy it by yourself.
For commercial use, there are certain rules.
For free use, please be sure to provide credit attribution.
Credit attribution is mandatory in a location visible to users.
*Not required for paid members.
*If credit attribution is not possible (such as for audio teaching materials or voice guidance), please ensure you are subscribed to a paid plan during the period you use the audio.
*Even if credit can be attributed, there are prohibited acts and usage methods that are only permitted under the Business Plan.
Please check here for other details.
Can I cancel or withdraw immediately?
Yes, you can do so 24 hours a day.
1. Cancellation
You can cancel at any time from the Settings page after logging in.
After cancellation, you can continue to use the contracted plan until the next renewal date.
For more details, please see "How to cancel (cancel) Ondoku's paid plan".
2. Withdrawal
After logging into Ondoku, please proceed with the withdrawal process via the "Withdraw" button on the Settings page.
Please note that after withdrawing, you will never be able to log in to Ondoku again.
Also, once you withdraw, you cannot re-register with your current email address.
For more details, please see "How to withdraw from Ondoku / delete your account".
■ 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.
Email: ondoku3.com@gmail.com
"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