Audio to Text: Top 10 Free AI Tools & Services for Easy Transcripts

Sept. 13, 2025

Audio to Text: Top 10 Free AI Tools & Services for Easy Transcripts | AI Transcription Service - Mr. Transcription
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Transcribing audio to text is so hard... I wonder if there are any good sites or tools?

Converting audio to text can be very time-consuming, right?

Many people want to transcribe audio from lectures or interviews but find manual typing too difficult.

The process of playing an audio file and typing out the words on a keyboard can take 3 to 4 hours for just 1 hour of audio.

But don't worry!

With the latest AI technology, you can automatically convert audio to text.

What used to be a manual transcription task can now be completed in just 10 minutes!

Accuracy has also dramatically improved, making it possible to accurately transcribe even recordings with a lot of technical terms for free.

This article introduces the latest methods for converting audio to text, along with a detailed look at recommended free sites and apps.

By learning efficient transcription methods, you can significantly reduce your work time.

Please read to the end and discover how to streamline your audio-to-text conversion process!

Free AI Services Recommended for Audio to Text Conversion

Mr. Transcription

If you need to convert audio files to text, Mr. Transcription is highly recommended!

Mr. Transcription is an AI service that uses the latest AI speech recognition engine.

You can automatically convert audio to text by simply uploading your audio file.

As a web service accessible via browser, no installation is required, and it can be used on PCs, smartphones, and tablets – any environment!

What's more, Mr. Transcription is free to use!

You can transcribe audio without registration or login, so why not try Mr. Transcription yourself?

How to Convert Audio to Text? Basic Knowledge Explained

How to Convert Audio to Text? Basic Knowledge Explained

First, let's explain the basic knowledge for converting audio to text.

What is transcription, converting audio to text?

Converting audio to text is called transcription.

It is also sometimes referred to as "tape transcription," but it means the same thing.

Transcription allows you to convert recorded audio data or spoken words into text data.

The process of converting audio to text can be done automatically.

This technology, also known as speech recognition technology, has seen a dramatic improvement in accuracy thanks to the advancement of AI (Artificial Intelligence).

What's the difference between previous methods and current AI technology?

Previously, converting audio to text typically involved humans manually typing while listening to the audio.

This manual transcription process had several significant challenges.

First, it was time-consuming.

Even for skilled transcribers, 1 hour of audio required 3 to 4 hours to transcribe.

For beginners, it was not uncommon for it to take 5 to 6 hours.

Next, there was the issue of accuracy.

Manual transcription inevitably led to mishearings and typing errors.

Accurate transcription was particularly difficult for content with many technical terms or for meeting recordings where multiple people spoke simultaneously.

Cost was also a challenge.

Hiring a professional transcription service was typically very expensive.

AI Transcription Services Solve All Transcription Problems!

As you can see, traditional transcription had many problems.

But don't worry!

Mr. Transcription can solve all these problems!

Processing time is very short, with 1 hour of audio transcribed in just 10 minutes.

Accuracy has reached a level that surpasses human typing, and it can now accurately recognize technical terms and proper nouns.

Regarding cost, it's very easy to use with a free trial.

Use Cases for Audio to Text Conversion

Audio to text conversion technology is utilized in various situations.

In the business sector, creating meeting minutes is the most common application.

Transcribing important meeting content allows for later review and sharing with those who couldn't attend.

In the education sector, lecture content is transcribed and used as study materials.

Being able to review missed parts in text format leads to improved comprehension.

In the media industry, audio to text conversion is indispensable for creating interview articles.

Efficiently transcribing recorded interview audio significantly reduces article creation time.

In the video production field, audio to text conversion technology is used for creating subtitles.

This is an important feature for improving accessibility on YouTube and other video platforms.

AI transcription services can create dedicated "SRT files" for subtitles, making it very easy to add captions.

3 Ways to Convert Audio to Text

3 Ways to Convert Audio to Text

There are three main ways to convert audio to text.

Each has its own characteristics, so it's important to choose the best method for your needs.

1. Online Audio to Text Conversion Sites (AI Transcription Services)

Online audio to text conversion sites are the most convenient and feature-rich method.

AI transcription services using the latest AI are available for free.

Their biggest feature is that they can be used simply by accessing them from a web browser.

No special software installation is required.

With the latest AI technology, speech recognition can be achieved with high accuracy.

You can easily convert recorded audio to text by simply uploading the audio file.

Another advantage is that it can be accessed from any device, including PCs, smartphones, and tablets.

2. Smartphone Audio to Text Conversion Apps

Smartphone audio to text conversion apps offer convenience as their greatest appeal.

Apps are available for both iPhone and Android.

A key feature is the ability to transcribe audio files recorded on your smartphone directly on the device.

The advantage is that you can easily convert audio to text anytime, anywhere.

You can use speech recognition functionality with just your smartphone, even while on the go or out and about.

However, a drawback is the limitations imposed by the smartphone's processing power.

There are limits to transcribing long audio files or achieving high-quality speech recognition.

Also, there are often feature limitations or prompts to upgrade to paid plans.

3. Browser's Built-in Speech Recognition Function

Recent web browsers include built-in speech recognition features.

These are available in major browsers like Google Chrome and Microsoft Edge.

Browser speech recognition functions are primarily specialized for real-time voice input, allowing direct conversion of audio from a microphone to text.

They are free to use and require no special software installation.

However, they are not good at directly transcribing pre-recorded audio files.

While convenient for simple speech recognition, their accuracy is low, making them unsuitable for serious transcription tasks.

[Free Options Available] 10 Recommended Audio to Text Conversion Tools

Here, we will introduce recommended services that are optimal for converting audio to text.

From free options to those suitable for professional business use, find the perfect audio to text conversion tool for your needs.

  1. Mr. Transcription
  2. Smart Shoki
  3. Rimo Voice
  4. Notta
  5. Otter.ai
  6. Texter
  7. Speechy Lite
  8. toruno
  9. LINE Works AI Note
  10. Rev

1. Mr. Transcription: Recommended Free Audio to Text Conversion Service

Mr. Transcription

If you're looking for a tool to convert audio to

■ AI transcription service "Mr. Transscription"

"Mr. Transcription" is an online transcription tool that can be used from zero initial cost and 1,000 yen per month (* free version available).

  • Supports more than 20 file formats such as audio, video, and images
  • Can be used from both PC and smartphone
  • Supports technical terms such as medical care, IT, and long-term care
  • Supports creation of subtitle files and speaker separation
  • Supports transcription in approximately 100 languages ​​including English, Chinese, Japanese, Korean, German, French, Italian, etc.

To use it, just upload the audio file from the site. Transcription text is available in seconds to tens of minutes.
You can use it for free if you transcribe it for up to 10 minutes, so please try it once.

It is "Mr. Transcription" who can easily transcribe from audio, video, and images. Transcription allows you to transcribe for up to 10 minutes for free. You can copy, download, search, delete, etc. the transcribed text. You can also create subtitle files, which is ideal for transcription of interview videos.
HP: mojiokoshi3.com
Email: mojiokoshi3.com@gmail.com
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