7 Best Synthetic Voice Creation Apps! Recommended Methods for Reading Text Aloud

I want to create synthetic voices with a voice creation app!

To create synthetic voices, an AI-powered voice creation app is recommended!

The synthetic voices commonly used on video sites like YouTube are created using voice creation apps.

Old synthetic voices felt unnatural, like a robot speaking, but with the development of AI, it is now possible to create realistic and easy-to-hear audio that rivals professional announcers.

With AI voice creation apps, anyone can easily synthesize high-quality audio.

Compared to speaking yourself, it also saves time and effort.

Why not use this article as a guide to find a voice creation app for making synthetic voices?

Recommended Voice Creation Apps

The recommended voice creation app for those who want to create synthetic voices is "Ondoku".

"Ondoku" is a web app that can create high-quality synthetic voices with the latest AI.

Since it is a web app used from a browser, there is no hassle of installation.

Moreover, "Ondoku" lets you create synthetic voices for free!

If you want to create synthetic voices by reading text aloud, why not start by using Ondoku for free here?

What is a Voice Creation App? Explaining Synthetic Voices

First, we will briefly explain voice creation apps for creating synthetic voices.

What is a Voice Creation App?

A voice creation app is an app for synthesizing human-like voices using a computer.

They have long been used for business purposes such as automated telephone responses and train announcements, but with the advancement of AI, ordinary individuals can now easily create synthetic voices using high-performance apps.

When you input text into a voice creation app, it will read it aloud in a few seconds for short sentences and just a few minutes for long ones.

Previous synthetic voices were immediately recognizable as computer-synthesized, with unnatural intonation and rhythm.

In contrast, synthetic voices using the latest AI can synthesize very realistic audio, as if read by a professional announcer or narrator.

Situations Where Synthetic Voices from Voice Creation Apps are Useful

Video sites like YouTube and TikTok

Videos with narration found on video sites such as YouTube and TikTok.

In fact, you can easily create these using a voice creation app!

Simply have the voice creation app read the text, and your narration is complete.

Then, just combine the video with the narration audio file, and you're good to go.

Meeting Presentations

If you are not comfortable speaking in public, why not create presentation materials using a voice creation app?

With easy-to-hear synthetic voices, you can convey important information more reliably.

How to quickly create narration for videos like YouTube with text-to-speech software. Tips and points | Text-to-speech software Ondoku

Explaining how to quickly create video narration with Ondoku. From script creation to using Ondoku, adjusting natural intonation, and editing tips for video software. A must-see for those who want to streamline video production with text-to-speech software!

Broadcasts for shops and public facilities

A voice creation app is recommended when you want to play broadcasts in workplaces such as shops or public facilities.

Recording easy-to-hear audio is a special skill that usually requires training in theater or narration.

By using a voice creation app with the latest AI, you can play broadcasts that are much easier to hear than if you recorded them yourself.

Achieve professional-level in-building broadcasts with automated voices! Complete guide to AI announcements | Text-to-speech software Ondoku

Automate in-building broadcasts with AI! With Ondoku, create narrator-quality automated voices for free. Multi-language support for perfect inbound tourism measures. Also contributes to cost reduction through operational efficiency!

Benefits of Voice Creation Apps

Can read aloud in the voice of your preferred gender

• I am male but want to narrate with a female voice
• I am female but want to narrate with a male voice

In such cases, synthetic voices from voice creation apps are recommended!

With a voice synthesis app, you can read aloud in any voice you like, regardless of your actual gender.

Privacy is Protected

Voice synthesis apps are also recommended for those concerned about privacy.

• I don't want friends or family to know I'm making videos
• I don't want my gender or age to be known
• I'm embarrassed to speak in my own voice

For those with such concerns, using a voice synthesis app allows you to create video narration freely.

Easier than reading it yourself

• Recording equipment costs money
• Ambient noise can sometimes get in
• Editing work takes a very long time

Creating an audio file by reading it yourself is very difficult.

The editing work is especially time-consuming and laborious.

Editing work—such as deleting misspoken parts or removing silence to improve tempo—takes many times longer than the length of the recording file itself.

When making explanation videos for YouTube, I used to read the scripts myself.
Recording ends quickly, but editing is very hard.
It could take 2 hours to edit the audio for a 5-minute video...
Now, using synthetic voices, the audio is finished in just 1 minute!
I should have used synthetic voices sooner.

With a voice creation app, tedious editing work is unnecessary!

If you want to easily create video narration or broadcast audio, a voice creation app is recommended.

7 Selected Voice Creation Apps for Making Synthetic Voices

What kind of voice creation apps are recommended?

Here are some recommended voice creation apps for reading synthetic voices!

• Ondoku
• A.I.VOICE
• VOICEPEAK
• CeVIO AI
• Bouyomichan
• VOICEVOX
• COEIROINK

1. "Ondoku," a Web App You Can Use for Free

"Ondoku" is a web app that can read synthetic voices using the latest AI.

Its features are high performance and the fact that it is free to use!

It synthesizes easy-to-hear synthetic voices unique to the latest AI in a short time.

Since it is a web app, no installation is required, and it can be used from any environment: Windows, Mac, or Linux.

Realistic reading with 16 types of Japanese voices

There are 16 types of Japanese synthetic voices in "Ondoku."

All the voices are very easy to hear and realistic.

With a rich variety of both male and female voices, you can synthesize audio in exactly the voice you want.

Try listening to the 16 types of voices for text-to-speech software Ondoku for free. Change impressions by adjusting pitch | Text-to-speech software Ondoku

Ondoku has 16 types of Japanese voices. Of course, both male and female voices are available. We have made it possible to listen to samples of 8 commonly used Japanese voices and how they sound when adjusting the pitch of each voice.

A feature to read aloud like a conversation using multiple voices is also available for free.

How to use Ondoku's conversation/dialogue feature. Synthesizing voices makes listening materials and long text creation even more convenient! | Text-to-speech software Ondoku

Explaining how to use Ondoku's conversation feature! Explaining the conversation feature with images, along with specific examples of what the conversation feature can be used for.

Foreign languages can also be read aloud

"Ondoku" can read in 48 different languages.

You can easily create audio files for languages widely used on video sites, including English, French, Spanish, Chinese, and Korean.

It is also useful for getting views from abroad on video sites.

【Ondoku】Listen to voice types and sample audio for supported languages | Text-to-speech software Ondoku

Here we introduce the supported languages and sample voices for Ondoku.

Commercial Use OK!

"Ondoku" is OK for commercial use!

You can feel secure when monetizing on video sites or when using it in shops or public facilities.

*Credit attribution is required for the free plan. Credit becomes unnecessary for paid plans. Please see here for details.

What you can do with Ondoku. About commercial use (business use) and prohibited items. | Text-to-speech software Ondoku

Commercial use (business use) is possible with Ondoku. Use for the purpose of obtaining monetary or other benefits, directly or indirectly, whether by an individual or a corporation, constitutes commercial use. However, please note that Ondoku has established prohibited acts. Here, we introduce what you can and cannot do with Ondoku.

Why not use "Ondoku" to synthesize voices for free?

"Ondoku" can create synthetic voices for free!

• Without registration: up to 1,000 characters
• With registration: up to 5,000 characters

Since you can read such long texts for free, you can create videos or in-store broadcasts immediately!

When you want to create synthetic voices, why not try using "Ondoku" for free first?

2. "A.I.VOICE," where you can use famous characters

A.I.VOICE is a recommended voice creation app for those who want to read aloud using famous characters.

Especially recommended for those who want to use synthetic voices from the famous "VOICEROID" series characters.

Characters with many fans, such as Kotonoha Akane/Aoi and Yuzuki Yukari, are available.

A paid app compatible with Windows and Mac, sold in package and download versions.

However, as it is an app that pushes characters to the forefront, caution regarding character usage terms is necessary for commercial use.

A.I.VOICE2 Complete Guide! Detailed explanation of features, installation, and usage of the successor software to VOICEROID | Text-to-speech software Ondoku

Explaining the features and usage of A.I.VOICE2, where you can use Kotonoha Akane/Aoi and Yuzuki Yukari, familiar from VOICEROID videos. Detailed introduction from installation to audio export.

3. "VOICEPEAK" with a diverse lineup

VOICEPEAK is a paid voice creation app that allows you to use various characters.

Compatible with Windows, Mac, and Linux.

Many characters are available, and popular characters like Koharu Rikka and Tsurumaki Maki can be used.

Also, characters from the "Tohoku Zunko Project" such as Tohoku Zunko and Tohoku Kiritan are sold.

Bonus voices are included, allowing you to get multiple voices with a single purchase (excluding some products).

Again, note character usage terms for commercial use.

The "VOICEPEAK Commercial Narrator" series, which supports commercial use, is also sold, so it is recommended for use in shops or public facilities.

What is voice synthesis software VOICEPEAK? Detailed explanation of features and commercial use | Text-to-speech software Ondoku

A detailed explanation of the features of the voice synthesis software "VOICEPEAK." Also introduces the commercial use terms, which vary greatly by character.

4. "CeVIO AI" featuring an attractive proprietary voice synthesis engine

CeVIO AI is a paid voice creation app.

Compatible with Windows, Mac, and Linux.

Attractive characters such as Sato Sasara and Suzuki Tsudumi are available.

Uses a voice synthesis engine developed at the Nagoya Institute of Technology, allowing for reading with very natural intonation and rhythm.

If you have not been satisfied with other voice creation apps, we recommend trying CeVIO AI.

What is CeVIO AI? Detailed explanation of features, usage, and commercial use of voice synthesis software | Text-to-speech software Ondoku

Complete guide to the AI singing voice synthesis software CeVIO AI. Explains features of popular characters like Sato Sasara and Suzuki Tsudumi, purchase methods, and precautions for commercial use for beginners.

5. "Bouyomichan," where you can read in "Yukkuri" voices

Bouyomichan is a free software for Windows.

Its biggest feature is being able to read in the so-called "Yukkuri voice."

AquesTalk, used for Yukkuri voices, is a voice synthesis technology with a history dating back to the 2000s.

Therefore, while not realistic, it is essential for making "Yukkuri Commentary" videos.

It is also characterized by very lightweight operation compared to other installed software.

"Bouyomichan" uses an older version of AquesTalk, so commercial use is OK.

6. "VOICEVOX" with a variety of voices

VOICEVOX is a voice creation app compatible with Windows, Mac, and Linux.

An app that lets you read in the voices of characters famous on video posting sites, such as Zundamon, with a rich variety of voices to choose from.

When using synthesized audio files, credit attribution is mandatory, and you must follow the terms of use for each character.

Since many characters, such as Zundamon, have different terms for non-commercial and commercial use, it is recommended to check beforehand, especially for commercial use.

VOICEVOX Complete Usage Guide! Detailed explanation from features to commercial use of free AI voice synthesis software | Text-to-speech software Ondoku

A detailed explanation from VOICEVOX features to usage and precautions for commercial use. A complete guide to the free AI voice synthesis software that can read in popular character voices like Zundamon.

7. "COEIROINK," easy to use for creative works

COEIROINK is a voice creation app targeted at creative use.

Compatible with Windows, Mac, and Linux.

In addition to official and authorized voices, it features a function for users to publish their own voice synthesis data.

Voice synthesis data created by users can be downloaded from "MYCOE."

The editor is feature-rich, but since it is an app that assumes use in hobbies and creative works like audio productions or individual video posting, the terms of use are somewhat strict.

The software itself is OK for commercial use, but since individual terms of use are set for each voice, use caution especially for commercial use.

What is COEIROINK? Thorough explanation of features, usage, and commercial use of voice synthesis software | Text-to-speech software Ondoku

Complete guide to features and usage of COEIROINK. Explains everything from how to install the voice synthesis software to adding character voices and precautions for commercial use.

■ 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