[Downloadable] 5 Best Text-to-Speech Sites! Savable Ondoku Services Explained

Aug. 7, 2026

[Downloadable] 5 Best Text-to-Speech Sites! Savable Ondoku Services Explained

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I want to know about text-to-speech sites that allow downloads!

In this article, we will introduce sites where you can read out text and download the audio!

With the advancement of AI, text-to-speech has become very accessible.

However, software that needs to be installed on a PC is very troublesome to set up.

Using AI speech synthesis comfortably also requires certain PC specs.

In that regard, online text-to-speech sites can be used easily without any installation!

And of course, downloads are possible!

We will also introduce free-to-use text-to-speech sites, so why not use this article as a guide to start reading out text with AI?

[Free / Downloadable] Recommended Text-to-Speech Sites

There is a recommended speech site where you can download the narrated audio for free.

That site is "Ondoku".

Ondoku

"Ondoku" is a speech site that can be used from a browser.

You can open the page from here and use it immediately.

What's more, "Ondoku" is free!

Of course, downloading audio files is also free.

If you are looking for a way to read out text, why not try "Ondoku" from here?

How to Use Downloadable Text-to-Speech Sites?

We will explain the features of text-to-speech sites and points you should check before using them.

What is a Text-to-Speech Site?

What is a text-to-speech site

A text-to-speech site is a site that reads out the text you input and generates an audio file.

Services that read out text as audio have existed for a long time, but with the spread of AI, many more services have appeared compared to before.

Text-to-speech sites using the latest AI can generate realistic and easy-to-hear audio files that sound like a real human speaking.

However, please note that service details for text-to-speech sites vary significantly from site to site.

Advantages of Text-to-Speech Sites

Text-to-speech sites have several advantages over speech software that must be installed on a PC.

1. Ready to use without installation

Ready to use without installation

The biggest advantage of a text-to-speech site is that there is no need to install anything.

Text-to-speech software installed on a PC takes time and effort to install and perform initial settings.

In that regard, with a text-to-speech site, no software installation work is required at all.

You can open the website whenever you want and read out text immediately.

2. Works even with slow connection speeds

Works even with slow connection speeds

The fact that no software download is required is another convenient point of text-to-speech sites.

Software that requires installation often has a large download capacity, and depending on your connection, downloading before installation can take a long time.

In particular, since the latest AI speech software has large AI speech synthesis engine capacities, it is common for download sizes to exceed 1GB.

In contrast, text-to-speech sites can be used without issues even if your connection speed is not fast.

The download size of the audio files is much smaller than the capacity of AI speech software, so you can download them without issues even if you are concerned about your connection speed.

For example, the size of an MP3 file when reading a 500-character text with "Ondoku" is approximately 600KB!
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However, depending on the text-to-speech site, the top page itself may be large and take time to load.

In such cases, it is recommended to try other services with lightweight page loading, like "Ondoku".

3. No impact from PC specs

No impact from PC specs

Text-to-speech sites can be used comfortably without being affected by PC specs.

Text-to-speech using AI is highly capable, but in exchange, high PC specs are required when installing it for use.

With a text-to-speech site used from a browser, the actual processing is done by high-performance computers (servers) across the internet, so you can comfortably read out text with AI regardless of your own PC's specs.

  • The specs of the PC provided by your company are low
  • You are using an old PC

In such cases, text-to-speech sites used from a browser are recommended over speech software that requires installation.

Points to Consider When Choosing a Text-to-Speech Site

Points to consider when choosing a text-to-speech site

There are things you should be careful about when choosing a text-to-speech site.

That is,

  • Whether files can be downloaded even when using it for free

This is important.

Some text-to-speech sites, like "Ondoku", offer services that can be used for free.

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By logging in to "Ondoku", you can read out and download up to 5,000 characters for free!

However, depending on the service:

  • You can read out and listen on the website for free
  • Downloads require payment

This may be the case.

When choosing a text-to-speech site, it is recommended to check in advance whether files can be downloaded even when using it for free.

5 Recommended Downloadable Text-to-Speech Sites

Tell me about speech sites that allow downloads!
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Here are some recommended downloadable text-to-speech sites!

1. Ondoku

Ondoku

"Ondoku" is a speech site that allows text-to-speech and downloads using the latest AI.

Its biggest feature is that it can be used for free!

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

You can read out this much for free!

Furthermore, with "Ondoku", you can use many convenient features for free.

17 Types of Japanese Voices

In Ondoku's Japanese speech synthesis, you can use 17 types of voices (tones) including men, women, and children!

Listen to 16 types of voices from the text-to-speech software Ondoku for free. Change impressions by adjusting pitch.

Listen to 16 types of voices from the text-to-speech software Ondoku for free. Change impressions by adjusting pitch.

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

Since it uses the latest AI for reading, it can generate realistic audio files that are easy to hear, as if read by a professional narrator or announcer.

Furthermore, you can generate and download audio like a conversation by using multiple voices simultaneously.

Conversation reading

It is also recommended for those who want to create conversation-style videos.

Supports Foreign Languages

Ondoku supports over 80 languages and dialects, including English, Chinese, and Korean!

Supports foreign languages

Of course, any language can be used for free.

[Ondoku] Listen to voice types and sample audio for supported languages

[Ondoku] Listen to voice types and sample audio for supported languages

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

  • I want to add foreign language narration to a video
  • I want to play foreign language broadcasts for inbound tourists

In such cases, why not try "Ondoku"?

Free Commercial Use OK!

"Ondoku" can be used for commercial purposes for free!

Some other sites and software require additional fees for commercial use, so when you want to monetize videos or use audio files for work, choosing "Ondoku" is a safe bet.

*Credit notation is required when using for free. Credit notation is not required for paid plans. Details are explained here.

How to credit Ondoku. Practical examples and precautions.

How to credit Ondoku. Practical examples and precautions.

We welcome you to use Ondoku for free. However, if you use it for free, credit notation is mandatory. We have received questions like, "Specifically, how should I write the credit?" This time, we will explain how to credit when using Ondoku for free...

Of course, Free Audio Downloads are Possible!

Audio files read out by "Ondoku" can be downloaded in MP3 and WAV formats!

[Update] How to download Ondoku audio files in WAV format

[Update] How to download Ondoku audio files in WAV format

You can now download Ondoku audio in WAV format! However, you cannot download in WAV format by just downloading normally. We will introduce how to download in WAV format and how to utilize it.

Since you can of course download even when using it for free, you can use it with peace of mind.

When you want to read out text and download it, why not try "Ondoku" from here?

2. Yukumo!

Yukumo

Yukumo! is a speech site that allows speech synthesis and downloads using the speech synthesis engine "AquesTalk."

Its biggest feature is that it can read out in the so-called "Yukkuri voice" (monotone voice).

In addition, you can use various speech synthesis libraries from the "AquesTalk" series.

Synthesized audio can be downloaded in MP3 format by pressing the save button.

Be Careful with Licenses for Commercial Use

However, caution is required regarding the license.

Personal use is free, but when using it commercially, you need to purchase a commercial license for "AquesTalk."

The commercial license costs 6,380 yen.

Videos and streams with ads on YouTube also fall under commercial use, so be especially careful when using it for video production.

3. Web version of VOICEVOX

Web version of VOICEVOX

Web version of VOICEVOX is a speech site using VOICEVOX, a speech synthesis library famous for voices such as "Zundamon" and "Kasukabe Tsumugi."

This is not an official VOICEVOX service, but a website created by an individual using VOICEVOX.

Using the voices of various VOICEVOX characters, reading and downloading are possible.

Audio files can be downloaded from the menu that opens when you click the "..." next to the audio player.

It is also recommended for those already using VOICEVOX who want to check new voice tones before downloading them.

Be Careful with Voice/Character Licenses for Commercial Use

Here too, caution is required regarding licenses for commercial use.

In addition to the VOICEVOX main license, you must also follow the terms of use for each character, such as "Zundamon."

Also, when using character illustrations (standing pictures) in videos, you must also check the terms set by the illustrator who created the illustration.

4. Text to Speech - Text to voice

Text to Speech

Text to Speech - Text to voice is a speech site where you can read text aloud using Microsoft's speech synthesis engine.

Read content can be downloaded via "Save audio as file."

It also supports reading in foreign languages.

It is a very simple service, but since there is no detailed description of the operator, it is recommended to use it within the scope of personal use.

5. TTSReader

TTSReader

TTSReader is a speech site operated by WellSource Ltd.

There are free and paid plans, and subscribing to a paid plan enables audio file downloads.

It supports various languages and can also read out Japanese text.

As a related product, "SpeechNinja," an app that reads out input content in real-time for people with speech impairments, is also provided.

■ 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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