convertkiwi

Video & audio converter

MP3 to MP4 Converter

Turn an audio file into an MP4 video with a cover image or a plain background, ready to post.

Drop your files here

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Accepted formats: .mp3, .wav, .m4a, .aac, .ogg, .flac

Up to 20 files, 100MB each.

    How to convert MP3 to MP4

    1. Add your files: drag them into the box above, or click "Choose files".
    2. Click "Convert to MP4" and wait a few seconds while we process them.
    3. Download your MP4 files. Uploaded files are deleted right away, and converted files are removed from our server after 30 minutes.

    Why convert MP3 to MP4?

    YouTube, Instagram, TikTok and many other platforms only accept video, not plain audio. Converting MP3 to MP4 turns your song, podcast episode or voice recording into a video with a cover image or a clean background, so you can upload it anywhere videos are accepted.

    Tips for the best result

    About these formats

    MP3: The most popular audio format. It compresses sound to a small size while keeping good quality, and it plays on any device.

    MP4: The most widely supported video format. It plays on phones, browsers, TVs and social networks, with good quality at a reasonable size.

    Frequently asked questions

    Can I add an image to my MP3?

    Yes. Choose a cover image and it will be shown for the whole length of the audio.

    What size is the cover image in the video?

    Your image is kept at its original proportions, up to 1920 by 1080 pixels.

    Will YouTube accept the MP4?

    Yes. The video uses H.264 and AAC, the formats YouTube and social networks recommend.

    Helpful guides

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