Auto Subtitle Generator
Generate automatic subtitles or captions for any video.
Don't waste time in transcribing audio to text manually!












Automatic Subtitle Generator Online
A subtitle generator is a must-have tool for any professional video editor or movie lover. With this tool, you can apply captions and subtitles to your movies to make them more engaging. This is especially true when creating a movie in a foreign language. Subtitles can also help you reach the wider audience of deaf people. So, whichever the case, don't miss a robust subtitle generator, Media.io. With it, you can auto-subtitle videos (MP4, MOV, VOB, FLV, WebM, etc.) or convert audio to text in an efficient manner. Just upload an audio file and let the program do all the heavy lifting. Let's try!
Why Choose Media.io Auto Subtitle Generator?

Cross-Platform Compatibility
Media.io Auto-Subtitle Generator Online works on any HTML5 web browser. You can create auto subtitles on iPhone, Android, Mac, and Windows.
Create Subtitles with High Accuracy
This free auto subtitle generator uses advanced machine learning to recognize audio and place them in the video. You don't even need to correct the subtitle tracks manually.
Multiple Languages Supported
This speech-to-text converter supports up to 90 subtitle languages. You can transcribe English, German, Chinese, Indian, Spanish, and so on. It also enables you to translate video to almost all languages in one single click!
Burn Subtitles to Any Video
With Media.io, you can burn subtitles into video quickly and easily. It supports MP4, MOV, MTS, 3GP, MKV, FLV, WebM, among others.
Beyond Auto Caption Generator
After the automatic video captioning, you can customize and edit to make the words look more attractive. For example, you can change the font type, color, size, border, opacity, layout, and other settings.
No Watermark
Media.io Auto Subtitle Generator is not only free but also supports non-watermarked outputs.
Why Caption or Subtitle a Video Automatically?
FAQ about Creating Subtitles for Video
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1. How do I auto-subtitle a video?
Auto-subtitling a video can save you the time and energy that you would spend creating captions for a long video. Therefore, use Media.io Auto Subtitle Generator to enjoy a fast and efficient subtitle adding process. With this auto subtitle maker, you can generate subtitles for any video format on iPhone, Android, Mac, or Windows. Just load a file and create a subtitle.
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2. How do I convert speech to text online?
You can easily convert speech to text online using Media.io Auto Subtitle Generator. With it, you can convert all standard audio to subtitle text and lets save as an SRT file. This includes OGG, FLAC, AU, MP3, M4R, M4A, and more. In addition, it supports over 85 speech languages, including English, Spanish, German, Arabic, Chinese, etc. Just choose a language and create.
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3. How do I generate automatic subtitles for social media platforms?
Media.io online video editor allows you to create videos for almost all popular social media platforms with the aspect ratio presets. Adding captioins to video is a piece of cake.
1. Visit Media.io online video editor on your favorite website.
2. Tap Auto Subtitle, select a subtitle language and click Start to load an audio speech. This auto caption app will automatically recognize and add subtitles to the video.
3. Edit your subtitle tracks and choose an output aspect ratio for the video. Lastly, tap Export to save the video. -
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4. What is the best auto subtitle generator?
When looking for a software to add auto-generated captions, look at features like intuitiveness and format support. Also, the best subtitle adder should support text editing and be accessible on mobile or computer. Most importantly, the video output shouldn't have any watermarks whether you're a free or paid user. Fortunately, Media.io Subtitle Generator ticks all these boxes.
Generate Subtitles Automatically Online in Minutes.
