Updated 3 Japanese Voices! Try Ondoku Text-to-Speech Software for Free

Aug. 30, 2026

This is Ondoku, continuing to evolve every day.

We are updating some of our Japanese voices.

Here is information regarding the upcoming changes.

Japanese Voice Update

The speakers being updated are:

Voice Assistant
Announcer A
Announcer B

All three types have been updated to versions where the existing voices' reading styles have become slightly smoother.

Just by changing the reading style, the atmosphere changes significantly.

Discontinuation of Old Voices

Provision of the old voices will be

discontinued on March 31, 2024.

After April 1, 2024, it will no longer be possible to create new audio using the old voices.

Please be aware of this.

Handling of Old Voices in the Conversation Feature

Due to the discontinuation of old voices on March 31, 2024,

if you were using an old voice in the "Speaker Settings" of the conversation feature, it will be automatically replaced with the new voice from April 1, 2024, onwards.

After April 1, 2024, it will no longer be possible to create new audio using the old voices.

Listen to the Updated Voices

We will introduce samples (trial listening) of the actual audio. Please give them a listen.

Here is the text that was read:

I am Ondoku. I can speak not only in Japanese, but also in languages from all over the world.

Please listen to each voice.

The speed setting is 1 for all of them.

Voice Assistant

Settings

Audio

Pitch: 0

Pitch: 10

Pitch: -10

Announcer A

Settings

Audio

Pitch: 0

Pitch: 10

Pitch: -10

Announcer B

Settings

Audio

Pitch: 0

Pitch: 10

Pitch: -10

The impression of the voice changes when you adjust the pitch or speed.

You are sure to find a voice you like.

Listen to All Japanese Speakers, Including Previous Ones

Ondoku currently offers 15 types of Japanese voices.

You can listen to samples of all Japanese voices, including previous versions, here.

Click here to listen to samples of all Japanese voices:

Japanese Voice Update History

Initial 4 types
1st update: 8 types
2nd update: 9 types
3rd update: 10 types
4th update: 15 types

This is the 5th update for Japanese voices. The selection has become even more extensive than before!

Ondoku, of course, has a full range of male and female voices.

English-based voices are even more comprehensive, with over 92 types.

"Just trying out a voice to see what it sounds like consumes the 1,000 free characters available without registration..."

You're right. It feels like a waste. That’s why we hope you’ll check out this blog and YouTube where you can listen to samples.

We hope Ondoku continues to be the best text-to-speech software for you!

■ 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

"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

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