How to convert MP4 to subtitles with Sonix

Sonix converts your audio-to-text using the latest natural language processing (NLP) algorithms—it's fast, easy, beautiful, and affordable. We extract the speech from your MP4 file and help you create subtitles for your videos in minutes.

Convert MP4 to subtitles
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How to convert MP4 to subtitles with automated transcription 📋

Step 1: Create a free Sonix account to start converting your MP4 file to srt

Step 1

Sign up for a free Sonix trial account—includes 30 minutes of free MP4 to subtitles conversion.

Step 2: Upload your MP4 files from your computer, Google Drive, Dropbox, or by dragging it on the page.

Step 2

Upload the MPEG-4 Video File file(s) (*.MP4) from your computer, Dropbox, Google Drive, or by dragging it on the page.

Step 3: Select the language spoken in your MP4 file, then click 'Start Transcribing Now.'

Step 3

Choose the language spoken in the uploaded MP4 file. We support over 37 different languages including English, Spanish, German, and French. Then click the 'Start Transcribing Now' button.

Step 4: Sonix does all the work so grab a quick coffee. Our servers will extract the audio from your MP4 file and convert it to SRT.

Step 4

Sonix will then automatically transcribe the audio from your MP4 file and convert it to a simple text format. Grab some tea, it will take only a few minutes.

Step 5: Once your MP4 was converted to SRT, you might need to polish up the transcript. Now, you can easily do that with our AudioText Editor.

Step 5

Use the Sonix AudioText Editor to polish your transcript before we convert it to a subtitle. It's like a word processor: simply type in your browser to correct any words.

Step 6: Download a SRT version of your MP4 file by clicking Export and selecting 'Subrip subtitle file (.srt).'

Step 6

Click the 'Export' button. Choose either 'Subrip subtitle file (.srt)' or 'WebVTT file (.vtt)' from the dropdown to download the subtitle version of your MP4 file. You can also adjust the character length and time duration length of each subtitle.

That's it! Your MP4 file has now been converted to subtitles and is ready for the next step in your workflow!🎉

Thousands of incredible customers create subtitles from their MP4 files with Sonix 💖

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Convert MP4 video files to subtitle🎥

Frequently Asked Questions for MPEG-4 Video File (*.MP4)

What is a MP4 file?

An MP4 file is also known as a MPEG-4 Part 14 multimedia container. MP4 files were developed by the Moving Picture Experts Group (MPED). WIth an MP4 File, there are separate compression algorithms for the audio and video tracks. Typically, video is compressed with the MPEG-4 codec and the audio is compressed using the AAC codec (which is the same codec used in AAC files). Most MP4 files are downloaded from Apple’s iTunes STore since most of the media downloaded from the store is downloaded in this format. The MP4 format is also used for Internet streaming video.

Does Sonix transcribe video files with a *.MP4 file extension?

Yes, Sonix does automatically transcribe video files with a .MP4 file extension. Sonix is an online video to text converter. Convert any audio (mp3, m4a, wav, ...) or video (mp4, mov, avi, ...) file to text without installing any software! Sonix quickly and accurately transcribes *.MP4 files and converts them to text in a subtitle format.

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Convert MPEG-4 Video File to subtitles (SRT & VTT) with Sonix 🚀

Sonix transcribes your audio and video files in over 37 languages so they are easy to search, edit, and share. Sonix is an online, fully-automated speech to text service that quickly converts MPEG-4 Video File files to subtitles. Sign up today and start transcribing.

Fast, accurate automated transcription

Includes 30 minutes of free transcription

Transcribe and translate confidently knowing you’re backed by our award-winning team who is ready to answer your questions. You can also visit our Support Center for tips, articles, and videos.

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