With our tool for converting MP3 to MP4 files, you can convert pure audio files (mp3) into videos. You can add a background image to the video using the "Background image" button. The image remains visible throughout the entire video. The maximum resolution of the video is 1920×1080 pixels. If a larger image is uploaded, it will be reduced in size while maintaining the aspect ratio.
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How to convert MP3 to MP4 online?
Upload MP3 fileChoose your MP3 file with the "Choose File" Button, Drag & Drop or import it directly from Dropbox/Google Drive.
Choose target filetypeMP4 is set as default target format. Change it if you need a different target filetype for your conversion.
Select background imageOptional: Upload an image (JPG/PNG) as a video still. It will be automatically scaled to a maximum of 3840 x 2160 pixels.
Start ConversionClick "Start Converting!". Most files process in seconds, only the largest files may take a few minutes.
Download your MP4 fileDownload your finished MP4 file. Your files will be automatically deleted from our servers.
Information about the extensions for the conversion from MP3 to MP4
From: MP3
MPEG-1 or MPEG-2 Audio Layer III, mostly known as mp3 or MP3, designates a format for coding digital audio data. MP3 still ranks among the most popular formats for storing audio data. In the early 80s, the German Fraunhofer Institut developed MP3 as …
MP4 is a container format that can include multimedia content such as video and sound tracks, graphics, 2D and 3D animations, subtitled texts, interactive applications in the form of menus, and much more. Despite the strong compression, a file in MP4 …
To convert an MP3 file into an MP4 file, an image must be added. With file-converter-online.com, this is possible in just a few steps: select the MP3 file, add the image as a background (PNG or JPG) and start the conversion. After a few seconds, the file is ready for download.
Yes, the sound quality is fully preserved. The audio is transferred directly to the MP4 container without recompression
Conversion takes approx. 10 seconds for 5-minute MP3 files. Longer files with several hours of audio content can also take several minutes to convert.
The MP3 file can be a maximum of 750 MB in size, which corresponds to several hours of music. With our Premium account, up to 20 GB is optionally possible. The image file may be a maximum of 100 MB in size.
All common image formats such as .JPG, .PNG, .TIFF and many more are supported.
Yes, the aspect ratio of the image then determines the aspect ratio of the MP4 file.
The videos are created in a maximum resolution of 3840x2160 pixels (4k resolution).
Yes, the video resolution corresponds exactly to the resolution of the uploaded background image, up to a maximum of 3840x2160 pixels (portrait or landscape format).
Yes, the new MP4 file can be uploaded to YouTube without any problems. All our conversion parameters are also optimised for YouTube.
Yes, the new MP4 file can also be uploaded to Instagram or TikTok. For optimal display, we recommend a portrait format image (aspect ratio 9:16) for stories and reels.
Yes, MP4 files created with file-converter-online.com are also suitable for podcasts with a static preview image (content, authors, cover image).
For YouTube and desktop platforms, we recommend 16:9 format (e.g. 1920 x1080px). For Instagram Stories, TikTok and YouTube Shorts, the 9:16 format (e.g. 1080 x 1920px) is best suited.
Video-Tutorial: MP3 to MP4
File-Converter-Online.com is a service for converting files online from one type to another. We take care of your privacy and take care of your files. As a part of this, there's no registration required on file-converter-online.com. As we're offering our service in a browser, it doesn't matter whether you use Windows, Apple OS X or Linux. Your conversion results will always be at the same, very high quality and of course, without watermarks.
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Lass 27. July 2021
Thank you so much. Thanks so much for the effort you guys put in and we really appreciate that.
Gunman 8. March 2020
what a great site. will use again.. Thanks
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27. July 2021
Thank you so much. Thanks so much for the effort you guys put in and we really appreciate that.
8. March 2020
what a great site. will use again.. Thanks