[2025 Latest] 15 text-to-speech software! A thorough comparison from free to commercial use

I want to know about text-to-speech software that converts text to speech!

In today's world where digital content is on the rise, there is a growing demand for text-to-speech software that converts text into speech.

In fact, advances in AI have dramatically improved the quality of reading aloud.

There is an increasing amount of software available that can generate natural, human-like speech .

In this article, we will explain in detail the features, usage methods, and key points for choosing which text-to-speech software to use, from free text-to-speech software to paid software that reads in a character's voice .

It also touches on commercial use , so it is recommended for those considering using it for business purposes.

Now let's take a look at the text-to-speech software and services in order.

6 recommended text-to-speech software that can be used immediately in a web browser

First, we will introduce some text-to-speech software (text-to-speech services) that can be used online from a web browser .

• Ondoku
• Here we go!
• TTSFree
• ttsMP3.com
• Text to speech maker
• Narakeet

1. Ondoku: Free text-to-speech service with high-quality AI! Recommended text-to-speech web service

"Ondoku" is a text-to-speech software (web service) that utilizes the latest AI technology and can be easily used from a browser .

No installation is required, and the intuitive operation allows you to generate high-quality speech simply by entering text.

You can choose from a wide variety of voices, so you can have the text read in the voice that best suits your needs.

The best part is that it 's free to use !

The free version allows you to read up to 1,000 characters without registration, and up to 5,000 characters after registration.

Commercial use is also possible (credit is required for free use) , so it can also be used for video production and business purposes.

It comes with a wealth of features that you wouldn't expect for a free app, including multilingual support for 48 languages.

It can be accessed not only from PCs but also from smartphones , and is convenient because it can generate the same quality audio on any device.

If you're not sure how to have a text read out loud, why not try "Ondoku" first?

2. Yukumo!: A slow voice that can be used from your browser

"Yukumo!" is a rare software (web service) that allows you to use "Yukkuri Voice" (a monotone voice) from your browser .

A unique feature of this app is that it can use AquesTalk, a voice synthesis library from Aquest Corporation, without the need for installation.

It is simple to use, and you can have it read aloud by simply entering text and pressing a button.

It supports multiple versions of AquesTalk , allowing you to choose from a variety of distinctive voice qualities.

The audio of the reading can also be downloaded in MP3 format and used for video editing, etc.

It is free for non-commercial use, but for commercial use you will need to purchase a license.

This software is ideal for those who want to easily start creating videos such as "Yukkuri Commentary" and "Yukkuri Live Commentary" without having to install anything.

3. TTSFree – Simple online text-to-speech software

TTSFree is a free browser-based text-to-speech software that features a simple interface .

Its appeal is its ease of use, allowing you to start reading text immediately without any complicated settings.

It supports major languages including English and Japanese, and uses a voice engine optimized for each language.

The generated audio can be downloaded in MP3 format and used in video production or presentation materials.

It is also convenient that it supports reading long texts.

This is a text-to-speech software recommended for beginners who are looking for simple functions and intuitive operability .

4. ttsMP3.com: Online Text-to-Speech Software in Multiple Languages

ttsMP3.com is a multilingual browser-based text-to-speech software that covers all major languages of the world.

It uses Amazon's Polly voice engine, allowing it to read with natural intonation and pronunciation.

You can choose the best voice for your purpose from a wide range of voice qualities, including male, female, and child voices.

The audio that is read can be downloaded in MP3 format, making file management easy.

The free version has a character limit per use, but it is still sufficient for practical use.

It also supports SSML (Speech Synthesis Markup Language) tags and is a highly functional software that allows for fine-tuning of pronunciation .

Recommended for those who handle international content or need multilingual text-to-speech audio.

5. TTSMaker: Multi-functional web-based text-to-speech software

TTSMaker is a web-based text-to-speech software with many features .

It features a wide variety of options, with over 30 languages and over 100 voices to choose from.

You can fine-tune the audio speed, pitch, volume, and more to customize it to your needs.

The audio you create can be downloaded in MP3 format, and the automatic filename generation function is also convenient.

This is a text-to-speech software recommended for those who want a variety of voices and fine-tuning functions.

6. Narakeet: Text-to-speech software for education and presentations

Narakeet is a browser-based text-to-speech software.

It is also suitable for producing educational content and presentation materials.

With over 50 languages and 300 voices to choose from, it can also handle international content.

The free version has limited functionality, but there are special plans available for educational institutions .

This is a text-to-speech software recommended for educational content creators and those who want to convert presentation materials into audio.

9 Recommended Installable Text-to-Speech Software

Next, I will introduce some text-to-speech software that you can install on your PC .

• AIVOICE
• CeVIO
• VOICEPEAK
• VOICEVOX
• Boyomi-chan
• SofTalk
• MYukkuriVoice
• COEIROINK
• Text Talk

7. AIVOICE: The classic character voice

AIVOICE is a high-quality voice synthesis software developed by AI Corporation.

It features popular character voices such as "Yuzuki Yukari" and "Kotonoha Akane/Aoi", formerly known as VOICEROID .

It is compatible with both Windows and Mac and is sold as a one-time paid software.

It has a rich range of emotional expression, and you can fine-tune the strength, pitch, and speed of the emotions read out.

Personal commercial use is generally possible with product purchase, but corporate use requires a separate license.

This software is ideal for creative audio production and high-quality narration.

8. CeVIO: An integrated software with singing capabilities

CeVIO is a voice creation software that combines reading and singing functions .

It features unique and popular character voices such as "Sato Sasara" and "Suzuki Tsuzumi".

It is sold as a one-time paid software exclusively for Windows .

Emotional parameters can be precisely adjusted numerically, making it possible to create voices with a rich range of expression.

In addition to the "talk voice" for reading aloud, a "song voice" for singing is also sold , so you can have the character sing.

The terms of commercial use for individual creators are relatively lenient, but a separate license is required for corporate use.

This is a standard paid software that is also popular for live commentary of simulation games such as flight simulators.

9. VOICEPEAK: Highly functional software compatible with multiple platforms

VOICEPEAK is a high-quality voice synthesis software that features intuitive operability.

It is compatible not only with Windows and Mac, but also with Linux , which is rare for paid software.

One of the big features is that the package includes multiple voices .

In addition to the main character voices, most packages also include bonus voices such as male "Furimomen" voices .

The basic license includes commercial use rights, but separate terms may apply to character voices.

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

A detailed explanation of the features of the voice synthesis software "VOICEPEAK". We also introduce the commercial terms of use, which vary depending on the character.

10. VOICEVOX: AI text-to-speech software with high-quality character voices

VOICEVOX is a free, high-quality, open source speech synthesis software.

Its biggest feature is that it can be read out in the voices of unique characters such as "Zundamon" and "Shikoku Metaln."

Compatible with major operating systems including Windows, Mac, and Linux.

High-quality speech synthesis using deep learning technology enables reading with natural intonation and expressions.

It also has a wide range of functions for fine-tuning intonation and voice parameters , allowing for advanced editing.

A GPU-compatible version is also available, allowing for faster processing on high-performance PCs.

The software itself is free and can be used for commercial purposes, but please note that there are terms of use for each character that are separate from the software itself.

11. Boyomi-chan: Standard software for streaming

"Bokuyomi-chan" is a standard text-to-speech software that is mainly used for game streaming and live streaming .

It features a "Yukkuri Voice" that uses an older version of AquesTalk, giving it a unique personality.

This is a lightweight free software for Windows that runs comfortably even on low-spec PCs.

It has a wide range of functions for connecting with other software, and is often used in combination with streaming software such as OBS .

It is also used as a standard software for the "Yukkuri Commentary" and "Yukkuri Explanation" on Nico Nico Douga and YouTube.

Unlike other Yukkuri Voice software services, it can be used for free for commercial purposes.

12. SofTalk: A long-established software with simple functions

SofTalk is a free text-to-speech software for Windows that has been popular for many years.

It has a simple interface and focuses on basic functions, making it easy to use even for beginners.

You can choose from multiple voice synthesis engines, including an original voice based on the free voice synthesis engine "UTAU," so you can choose the voice that best suits your needs.

Another major advantage is that it is lightweight and runs smoothly even on low-spec PCs .

The software itself is free, but please note that if you use it for commercial purposes, you may need to check the terms and conditions of the voice engine.

13. MYukkuriVoice: Easy-to-use Yukkuri voice creation software for Mac

MYukkuriVoice is a Mac software specialized for creating "Yukkuri Voice" .

This software was developed exclusively for Mac and uses an AquesTalk-based speech synthesis engine, making it ideal for creating audio for "Yukkuri Commentary" and "Yukkuri Explanation" videos.

It features detailed voice adjustment functions and a visual interface that allows editing of intonation.

This is a reading software recommended for Mac users who want to create videos using Yukkuri Voice.

14. COEIROINK: Open source software for creative writing

COEIROINK is an AI voice synthesis software developed for creative activities .

In addition to official and authorized characters, the user-created voice model "MYCOE" can also be used , allowing for a wide range of reading voices.

Compatible with Windows, Mac, and Linux, it provides high-quality character voices.

It allows you to fine-tune intonation and emotional expression to create expressive voices, making it suitable for a wide range of creative purposes.

It is free to use and can generally be used for commercial purposes, but credit is required and you must check the terms and conditions for each voice model.

15. Texttalk: A lightweight and simple text-to-speech software

TextTalk is a lightweight, simple and free text-to-speech software for Windows .

It uses OpenJTalk and the standard Windows speech synthesis engine , and has sufficient performance for basic reading aloud.

It specializes in simple functions and does not require complicated settings, so even beginners can use it easily.

Another point is that it is very lightweight and can be used comfortably even on old PCs or low-spec environments.

It is suitable for those who want a simple, lightweight software or a portable text-to-speech software.

What is text-to-speech software? A beginner's guide

I know there are a lot of recommended software out there, but how do I choose the one that best suits me?

From here on, we will explain the basic knowledge you should know when choosing text-to-speech software!

Basic knowledge of speech-to-speech technology. What are the characteristics of the evolving text-to-speech technology?

Text-to-speech software is software or a program that automatically converts inputted text into speech .

In the past, mechanical speech was the norm, but the latest AI technology has made it possible to speak with natural, human-like intonation and pauses .

A large number of free software programs have been released that are capable of high-quality reading aloud , and they are being used to improve accessibility, language learning, content creation, and more.

There are two types of text-to-speech software: one that can be used in a web browser and one that can be installed on a computer .

Each has its own characteristics, so choosing between web-based and installed services is very important.

Also, the conditions for commercial use vary depending on the software, so it is important to check the terms of use when choosing software.

The latest text-to-speech software supports multiple voices and languages.

There are also an increasing number of highly functional devices that can even express emotions.

Characteristics and how to choose between web-based and installed services

The biggest appeal of text-to-speech software that runs on a web browser is how easy it is to start using right away .

Web-based software such as "Ondoku" can generate high-quality voice without the need for installation, allowing you to benefit from the latest AI technology regardless of the performance of your PC.

On the other hand, installed text-to-speech software has the advantage that it can be used in offline environments .

Web-based software is recommended for beginners or those who want easy use, while installed software is recommended for more specialized uses or those who want to make fine adjustments.

Difference between free and paid versions: To what extent is commercial use possible?

The free version of the text-to-speech software has sufficient basic functions, but the character limit, audio type, and conditions for commercial use may differ from the paid version.

Many free software programs do not allow commercial use, so be sure to check the terms of use in advance.

Of course, there is also free software available for commercial use .

For example, even if you use "Ondoku" for free, you can use it for commercial purposes as long as you display credit.

How to credit Ondoku. Examples of credit and points to note. | Text-to-speech software Ondoku

You are welcome to use Ondoku for free. However, if you use it for free, you must credit the software. We have also received a question: "So, how should I credit the software specifically?" This time, we will explain how to credit the software when using Ondoku for free.

Pay attention to the terms of use for each voice engine

Even with free text-to-speech software, you need to be careful because the conditions for commercial use may differ depending on the speech engine used .

Examples include VOICEVOX and COEIROINK.

If you are using the software for commercial purposes, it is important to always check the terms of use for each software and meet the conditions before using it.

We also recommend starting with the free version and upgrading to the paid version as needed.

Choosing the best text-to-speech software for each purpose

Recommended text-to-speech software for video production and distribution

For video production and live streaming, there is a variety of text-to-speech software that is ideal for each purpose.

Ondoku 's natural voice is perfect for creating narration !

It is popular among video creators because it is free but can be used for commercial purposes.

If you want to use a unique character voice , paid voice synthesis software such as "AIVOICE" or "CeVIO" is suitable.

If you want to create a "Yukkuri commentary" or "Yukkuri commentary" video , "Bokuyomi-chan", "Yukumo!" or "MYukkuriVoice" are perfect.

The standard software for reading out comments during game broadcasts is "Bokuyomi-chan," which has a wide range of integration functions.

More information on Yukkuri Voice is available in this article.

[2025 Latest] 5 Recommended Yukkuri Voice/Bodily Reading Software | PC and Smartphone App Complete Comparison | Text Reading Software Ondoku

Carefully selected Yukkuri Voice/Bodily Reading Software that is perfect for video production and game commentary. From PC to smartphone, we will explain how anyone can easily create high-quality voice with the latest 2025 apps.

The best text-to-speech software for learning and education purposes

Another effective way to help solidify your memory is to convert the content you have learned into audio and listen to it while commuting to work or school.

You can improve your learning efficiency by choosing software that allows you to adjust the speed to make it easier to listen.

What's important when choosing text-to-speech software for learning or educational purposes is to strike a balance between ease of listening and functionality.

"Ondoku" can read long sentences with a natural intonation, making it ideal for converting teaching materials into audio.

You can also slow down the speed to 0.3x, making it ideal for learning the pronunciation of foreign languages.

One thing you should definitely incorporate into language learning using text-to-speech software is "shadowing."

You can easily start shadowing by creating audio in a foreign language such as English using text-to-speech software.

This article explains how to do shadowing, so why not try it out using text-to-speech software such as "Ondoku" ?

[Complete Guide] How to do English shadowing? We also explain how to create free learning materials! | Text-to-speech software Ondoku

Shadowing improves your English skills efficiently! We explain a learning method for beginners that improves listening, pronunciation, and speaking at the same time. We also introduce how to create learning materials using free AI voice.

Using read-aloud to improve accessibility

Text-to-speech software also plays a major role in improving accessibility for people with visual impairments or reading disabilities.

Natural voice text-to-speech software like "Ondoku" has the advantage that it doesn't tire your ears even when listening for long periods of time .

By turning web content into audio, digital information becomes more accessible to a wider audience.

Implementing a text-to-speech function into services for the elderly will also improve usability.

Complementing visual information with audio can promote a multifaceted understanding of the information.

Techniques for using text-to-speech software

Setting points for improved sound quality

To improve the quality of the speech output, there are a few settings to keep in mind .

Adjust the reading speed depending on the content, and set important information a little slower to make it easier to understand.

"Ondoku" also allows you to adjust the pitch of your voice , allowing you to find the optimal setting to suit your listeners.

Even with installed software such as VOICEVOX and COEIROINK, you can adjust the intonation to make the reading sound more natural.

For technical terms and proper nouns, it is effective to specify how to read them or change kanji to hiragana.

Also, when reading long passages, inserting breaks and pauses at appropriate places will make the text easier to listen to.

Check out this article to find out how to get the distance you want!

Two ways to adjust the gap and time gap when reading from Ondoku | Text-to-speech software Ondoku

One of the needs of Ondoku users is to "add a little more space." If you want to adjust the "space" by adding a little more space, there are two ways to do it: 1. Punctuation 2. SSML.

How to use text-to-speech software on your smartphone

Text-to-speech software can also be used effectively on smartphones .

If you want to use it on your smartphone, we recommend browser-based software such as "Ondoku."

It can also be accessed from your smartphone, so you can easily use it while on the go.

When using text-to-speech software on your smartphone, it is recommended that you use it in a Wi-Fi environment to save on mobile data usage.

The reading audio created on your smartphone can be saved to cloud storage such as Google Drive or Dropbox, allowing you to smoothly use it for editing on your PC.

Of course, it's also ideal for making effective use of spare time, such as listening to learning content on your smartphone during your commute or travels.

We also introduce recommended reading methods for iPhones and Android smartphones in this article, so be sure to check it out!

8 recommended text-to-speech apps for iPhone and iPad! How to easily read text aloud on your smartphone? | Text-to-speech software Ondoku

We will introduce recommended text-to-speech methods for iPhone and iPad (iOS). We will explain recommended web apps and text-to-speech apps that can be installed from the App Store.

[2025 Latest Edition] 5 Recommended Text-to-Speech Apps for Android Smartphones! | Text-to-Speech Software Ondoku

Introducing recommended text-to-speech apps that can be used on Android smartphones. We will also explain the text-to-speech function that comes standard with Android smartphones.

Summary: Why not try out the text-to-speech software that's right for you?

As you can see, there are a wide variety of text-to-speech software options available.

Even though it is free to use, the text-to-speech software is of a very high level and can be used for a wide range of purposes, from personal to commercial.

For beginners or those who want easy use, we recommend a browser-based software such as "Ondoku."

For producing videos of specific genres, software with distinctive voices such as "Bokuyomi-chan," "AIVoice," "CeVIO," and "VOICEVOX" are suitable.

If you are considering using the software for commercial purposes, it is important to be sure to check the terms of use for each software and abide by the conditions.

It's a good idea to try the free version first, and then consider a paid version or specialized software if necessary .

By finding the software that best suits your needs, you can use it for a variety of purposes, including creative activities, language learning, and business.

First of all, why not try out the text-to-speech software for free ?

■ 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