Convert GSM to VTT (Web Video Text Tracks *.vtt)

Sonix is an online speech-to-text converter. We use the latest artificial intelligence algorithms—it's fast, accurate, beautiful, and affordable. We'll extract the speech from the GSM audio file and convert it to a VTT (Web Video Text Tracks) in minutes.

Convert GSM to VTT
Free trial—includes 30 minutes free credit

How do I convert my GSM files to VTT? 📋

It's really easy to convert gsm files to VTT with Sonix. Simply follow these six simple steps and your audio files (*.gsm) will be converted to Web Video Text Tracks (*.vtt).

Step 1: Create a free Sonix account to start converting your GSM file to vtt

Step 1

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

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

Step 2

Upload your Global System for Mobile Audio File file(s) (*.GSM) from your computer, Dropbox, or Google Drive.

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

Step 3

Select the language spoken in your GSM file. We support over 37 different languages. Then click the button 'Start Transcribing Now.'

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

Step 4

Sonix automatically extracts the audio from your GSM file and converts it to the Web Text Tracks .vtt format. It'll only take a few minutes so you can grab some coffee.

Step 5: Once your GSM is converted to text, you might need to polish up the preliminary VTT transcript. Now, you can easily do that right in your browser with the Sonix AudioText Editor.

Step 5

Use the Sonix AudioText Editor to polish your VTT transcript. Simply correct any words in your browser.

Step 5: Once your GSM is converted to text, you might need to polish up the preliminary VTT transcript. Now, you can easily do that right in your browser with the Sonix AudioText Editor.

Step 6

Click the 'Export' button. Select 'WebVTT file (.vtt)' from the dropdown to download a VTT version of your GSM file.

That's it! Your GSM file has now been converted to text!🎉

Thousands of incredible customers trust Sonix to transcribe their GSM files 💖

  • Google converts their GSM audio files to docx with Sonix
  • Microsoft converts their GSM audio files to docx with Sonix
  • NBC Universal converts their GSM audio files to docx with Sonix
  • ESPN converts their GSM audio files to docx with Sonix
  • Stanford University converts their GSM audio files to docx with Sonix
  • Yale University converts their GSM audio files to docx with Sonix
  • ABC News converts their GSM audio files to docx with Sonix
  • Quartz converts their GSM audio files to docx with Sonix
  • CNBC converts their GSM audio files to docx with Sonix
  • CIBC converts their GSM audio files to docx with Sonix
  • Boston College converts their GSM audio files to docx with Sonix
  • Brandeis University converts their GSM audio files to docx with Sonix

Convert GSM audio or speech to vtt🔈

Frequently Asked Questions for Global System for Mobile Audio File (*.GSM)

What is a GSM file?

GSM is a compressed audio stream that is primarily used by cell phones. GSM files are designed for telephone-quality audio use in Europe and stores audio mainly for telephone quality voice. It makes for a good balance between size of file and quality retention with data around 96KB per minute. GSM is primarily used for voicemail storage or to record phone conversations that will be played back later.

Does Sonix transcribe audio files with a *.GSM file extension?

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

Know anyone who needs to convert Global System for Mobile Audio File (.GSM) to vtt?

We'd appreciate it if you tell them about Sonix—the best way to convert GSM to vtt.

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Convert Global System for Mobile Audio File to Web Video Text Tracks (.vtt) version with Sonix 🚀

Sonix automatically transcribes and translates your audio and video files in over 37 languages. Easily search, edit, and share your media files. Sonix is an online, automated speech-to-text service that accurately converts files in the Global System for Mobile Audio File (.GSM) format to the WebVTT (.vtt) format. Sonix converts audio to text quickly, accurately, and easily. Fast, accurate, and affordable. Millions of users from all over the world.

Fast, accurate automated transcription

Includes 30 minutes of free transcription

Let our support team help you with all of your automated transcription questions. Pictured: Christine Lee

Transcribe and translate confidently knowing you’re backed by our award-winning team who is ready to answer your questions. Get immediate help by visiting our Help Center, resources, tutorials, and Introduction to Sonix videos.

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