Convert GSM to MP4 Online for Free

  1. Click Add Your Media and upload your GSM file.

  2. Make sure that the output format is set to MP4.

  3. Click Convert.

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How to convert GSM to MP4 using Movavi Converter

If you need to convert multiple files or your file is too large for the online converter, try the desktop alternative. The Movavi converter is a versatile audio, video, and image format changer. It deals with over 180 file formats, can convert files in bulk quickly, with high output quality and resolution. Its SuperSpeed mode gives you the fastest conversion speed and no quality loss. It has versions for both Windows PC and Mac and is really lightweight, allowing you to process photos, movies, and music files even on a weak computer.

How to convert GSM to MP4 fast and easy? Read the guide below to find out!

Step 1. Download and install the Movavi converter

How to use a file converter? First, download the version of the software for Microsoft Windows or Macintosh, launch it, and proceed following the on-screen instructions. When the app is installed to your computer, it will run automatically.

Step 2. Add your GSM files

Locate the GSM files you want to convert and drag-and-drop them into the program’s window. The application can convert big batches of files – there’s no limit to how many files you can transfer at once.

Step 3. Select MP4 as the output format

In the Formats menu, select the file type you want to turn your media into and choose the target format for the files. Also, you can change the conversion settings: choose a different bitrate, resolution (including HD, Ultra HD, and even 4K), codec, etc. Pay attention to the SuperSpeed label: it indicates that the conversion will be performed with a very high speed and without losing quality.

Step 4. Convert GSM to MP4

To specify the output folder, click the Save to button. Hit the Convert button to launch the process. When the converting is done, the new media files will be saved to the chosen folder.

Now you know how to change the file format using the Movavi converter. WIth this tool, you can also reduce the file size, cut out clips from videos, crop pictures, and create animations from your favorite movies. Get the free trial version and test it out!

GSM, or Global System for Mobile Communications, is a codec commonly used for audio recordings, especially on mobile devices. While it efficiently saves storage space, it may not always be compatible with various media players and platforms. MP4, on the other hand, is a widely recognized multimedia container format that can hold both audio and video, making it an excellent choice for multimedia content.

If you’re wondering how to convert GSM to MP4 online for free, we have a solution! With Online Video Converter, you can easily convert GSM to MP4 for free without the need to download or install any software. The process is straightforward: upload your GSM audio file, select MP4 as the output format, and initiate the conversion. In just moments, your file will be processed, and you'll receive a link to download your freshly converted MP4 file.

One of the key advantages of Online Video Converter is its accessibility. You can perform GSM to MP4 conversions directly from your web browser, making it a convenient option for those on the go or those who prefer to keep their devices free from unnecessary software installations. The user-friendly interface ensures a seamless experience, even for those who may not be tech-savvy. Give it a try today and experience the ease of online audio-to-video conversion.

What is GSM?

Full name

GSM Full Rate Audio

Format type


Developed by

European Telecommunications Standards Institute


GSM (Global System for Mobile) is an audio file format created for internet telephony in Europe. The GSM format is used to store recordings of telephone conversations. We’ve provided the specifications below for the GSM file type and a list of programs that can play GSM files.

File extension


Technical details

A GSM file is encoded with a lossy CBR (constant bitrate) codec. Typically, the quality of the audio in a GSM file is 13 Kbps. Still, this bitrate is good enough for voice recordings. We’ve listed some of the programs that support the playback of GSM files below. Refer to this list if you’re not sure how to open this type of audio file.

Associated programs


What is MP4?

Full name

MPEG-4 Part 14

Format type


Developed by

Moving Picture Experts Group


MP4 is a format created in 2001 by an ISO/IEC working group. MP4 files are multimedia files used for storing video/audio and other content. Short for “MPEG-4 Part 14,” this file type is very common and recognized by most systems and devices. Check the list below if you’re not sure how to open MP4 files and which programs can play them.

File extension


Technical details

MPEG-4 Part 14, also known as ISO/IEC 14496-14:2003, is one instance of a more general standard (ISO/IEC 14496-12:2004) with specifications based on Apple’s QuickTime File Format. The MPEG-4 container uses AAC for encoding audio as a means to restrict data copying via lossy compression and playback. Like its many counterparts, the container supports web streaming.

Associated programs

iTunes, QuickTime Player, Windows Media Player, VLC, RealPlayer, etc.

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