Mr. Transcription: Your Ultimate Guide (Registration to Export)

April 5, 2026

Mr. Transcription: Your Ultimate Guide (Registration to Export) | AI Transcription Service - Mr. Transcription

Table of Contents

    If you need free transcription, we recommend Mojio!

    Try it now

    Mr. Transcription is a web application that uses AI to transcribe audio, video, images, and PDFs.

    You can use it just by uploading files from your browser, so no installation is required.

    You can start transcribing immediately on both computers (Windows/Mac) and smartphones (iPhone/Android).

    This article explains how to use Mr. Transcription, from registration to transcription completion, with images.

    What you'll learn in this article:

    • What Mr. Transcription can do (supported files, AI summary, subtitle output, etc.)
    • Transcription steps (completed in 3 steps)
    • Pricing plans and free tier details
    • How to register for a free membership and purchase a paid plan

    What Mr. Transcription Can Do

    Mr. Transcription is a cutting-edge AI service that can convert audio, video, images, and PDFs into text.

    It also comes equipped with various convenient features.

    Supported Files

    A major feature is its support for video, images, and PDFs, not just audio files.

    TypeSupported FormatsSize Limit
    Audio.mp3 .wav .wma .m4a .aifc .flac .aac .aiffLess than 1GB
    Video.mp4 .mov .avi .flv .mkv .webm .wmv .3gpLess than 1GB
    Image.jpg .jpeg .png .webpLess than 10MB
    Document.pdfLess than 50MB

    Since you can upload video files directly, there's no need to convert them to audio files.

    文字起こしさんの対応ファイルと対応ファイルサイズ。対応外ファイルを対応ファイルにする方法

    Mr. Transcription's Supported Files and Sizes. How to Handle Unsupported Files

    We'll guide you on Mr. Transcription's supported files and what to do if your file is not supported.

    AI Summary & Meeting Minutes Creation

    From the transcription results, AI can automatically create summaries and meeting minutes.

    Even long meeting audio can be summarized with key points in one click.

    【無料】文字起こしさんにAI要約・会議議事録作成機能登場!使い方を詳しく解説

    [Free] AI Summary & Meeting Minutes Feature Now Available on Mr. Transcription! Detailed Usage Guide

    AI summary and meeting minutes creation features have been added to Mr. Transcription! This feature allows you to easily summarize long transcribed texts from audio. Meeting minutes can also be created with a simple button click! This will make your daily work, studies, and information organization smoother...

    SRT Subtitle File Output

    You can download transcription results as SRT subtitle files.

    This is very convenient for adding subtitles to videos.

    【無料】YouTube動画テロップを自動作成するには?AI文字起こしで字幕を簡単に入れる方法

    [Free] How to Automatically Create YouTube Video Captions? Easy Subtitle Creation with AI Transcription

    Learn how to automatically create YouTube video captions for free. This guide explains in detail, with images, how to generate SRT files using AI transcription and insert them into Premiere Pro, DaVinci Resolve, and YouTube.

    100 Language Support

    In addition to Japanese, it supports 100 languages, including English, Chinese, Korean, Spanish, and French.

    It's also useful when you need to transcribe audio in foreign languages.

    Dictionary Function (Specialized Term Registration)

    By registering frequently used specialized terms and proper nouns in the dictionary, you can improve the accuracy of transcriptions.

    【機能】文章置換辞書機能リリースのお知らせ。文章作成をもっと快適に!

    [Feature] Announcing the Release of the Text Replacement Dictionary Function. Make Document Creation More Comfortable!

    The new replacement dictionary function makes it easy to input boilerplate text and correct variations in notation. You can securely manage your personalized replacement rules for product names, technical terms, and internal company jargon. Please try this optimal function to streamline your document creation.

    History Management

    You can check your transcription results from the history (for free and paid members only).

    You can also search for and re-download past transcription results.

    How to Use Mr. Transcription [Completed in 3 Steps]

    Using Mr. Transcription is very easy.

    Transcription is completed in just 3 steps.

    文字起こしさんの使い方

    Step 1: Select a File

    文字起こしさんのファイル選択

    Once you open Mr. Transcription's top page, drag and drop the file you want to transcribe or click the "Select" button.

    For drag and drop, you can place the file anywhere on the screen.

    A preview will be displayed, allowing you to confirm the file's contents.

    Notes on Uploading

    Simultaneous upload of multiple files is not supported.

    Please upload one file at a time.

    Uploading files that exceed the supported file format or time limit will result in an error.

    You can resolve this by reducing the file size or splitting the file.

    For detailed instructions, please refer to "How to make unsupported files compatible".

    Step 2: Select Language and Click "Transcribe"

    文字起こしさんの言語種類

    Select the language you want to transcribe from the dropdown menu and click the "Transcribe" button at the bottom of the screen.

    文字起こしボタン

    Clicking the button immediately starts file upload and transcription.

    Caution: Processing starts immediately when you click the transcribe button.

    Please confirm it's the correct file before clicking the button.

    Cancellation during processing is not possible, and processing the same file multiple times will consume transcription time.

    Also, audio with multiple languages mixed in cannot be transcribed correctly.

    Step 3: Check and Utilize Results

    The estimated processing time for transcription is as follows:

    • For images: A few seconds to a few minutes
    • For audio/video: Approximately 5 minutes for 60 minutes of audio data

    Image Transcription Results

    文字起こし結果

    Audio Transcription Results

    文字起こしさんのテキスト編集方法

    The transcribed text is displayed in blocks.

    On the results screen, you can:

    • Edit text: Correct transcription results on the spot
    • Download text file: Save transcription results as a text file
    • Download SRT subtitle file: Use for video subtitles
    • Create AI summary/meeting minutes: AI automatically generates a summary from the transcription results

    *About subtitle file specifications

    Even if you edit the content on Mr. Transcription's web page, the edited content will not be reflected in the subtitle file.

    If you want to edit the subtitle content, please use a notepad app or similar to directly edit the downloaded subtitle file.

    If an error occurs or uploading fails, please check the troubleshooting guide on the following page.

    文字起こしさんでエラーが発生し、文字起こしができない時の対処法。

    Troubleshooting When an Error Occurs and Transcription Fails with Mr. Transcription.

    This article introduces troubleshooting steps when an error occurs with Mr. Transcription and transcription fails. The main causes are: reaching the transcription limit, failed upload, or errors due to network environment or browser.

    Audio Files That AI Transcription Struggles With

    For the following types of audio files, Mr. Transcription may not yield satisfactory results:

    • Audio that is too quiet, or where the microphone is too far, making it difficult to hear
    • Audio with excessive noise that drowns out the speech
    • Audio where speech is muffled due to room reverberation
    • Audio containing music, such as song lyrics
    • Files with no audio
    • Audio with strong dialects
    • Audio that is difficult for humans to hear clearly

    To achieve highly accurate transcriptions, recording with good sound quality is also key.

    For more details, please refer to "6 Tips for Recording for Highly Accurate AI Transcription".

    ■ 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
    Related article