Does adding an image change the MP3’s sound?
Embedding cover art in the tag doesn’t touch the sound at all. Making a video re-encodes the sound as 192 kbps AAC inside the MP4, while your original MP3 stays exactly as it was.
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Two different jobs share this name. Here is how to put artwork inside the MP3 itself, and how to turn the MP3 and a picture into a video.
There are two ways to add an image to an MP3. If you want the picture to show in a music player, such as Apple Music, VLC or your car’s screen, you embed it in the file’s tags with a tag editor; the file stays an MP3. If you want to post the track on YouTube, Instagram or anywhere that only takes video, you combine the audio and the image into a new video file.
The studio above does the second: open the MP3, add your picture under Cover art, and export an MP4 with the image and the sound together. It doesn’t change your original MP3. The first job is covered step by step below, because if artwork in your music library is what you’re after, a video is the wrong answer.
Square is selected, which suits album art and most feeds. Choose Landscape for YouTube. Press Choose an MP3 (Ctrl+O or ⌘+O).
In Text, press Cover art and pick a JPEG or PNG. The Still cover template shows it large on a soft-focus copy of itself, and the colours follow the picture.
Tracks over 75 seconds open on their liveliest 30 seconds. Drag Clip start and Clip end on the timeline to cover the whole track, up to 10 minutes.
Press Export, then Export video and Download video. Cover image (.png) in the same sheet saves the current frame as a picture, handy for a thumbnail.
MP3 files carry a block of information called an ID3 tag: title, artist, album and, optionally, a picture. Music players read that picture and show it as the album art. Adding one changes only the tag, not the sound, and needs a tag editor rather than a video tool.
Music stores the picture in the MP3’s tag (an ID3 “attached picture” frame), so it travels with the file when you copy it elsewhere. Apple notes that WAV files can’t take artwork this way; convert them first.
Mp3tag can also give a whole album the same cover in one go: select every track before adding the picture. A square JPEG of 500 to 1400 pixels is plenty for players; very large images make every file bigger.
Embedded artwork is invisible to YouTube, Instagram, TikTok and most social sites. They accept only video, so the picture has to become a picture track. That is what the studio makes: an MP4 with H.264 video and AAC sound, which is the format all of them prefer.
If the picture is a photo you love and the music is just the soundtrack, the add music to a photo page starts from the photo instead, with it filling the frame (on an iPhone, iMovie and Photos memories can do it too).
Embedding cover art in the tag doesn’t touch the sound at all. Making a video re-encodes the sound as 192 kbps AAC inside the MP4, while your original MP3 stays exactly as it was.
No. It makes a video from the audio and picture. To put artwork inside the MP3, use a tag editor such as the Music app on a Mac or Mp3tag on Windows, as described above.
Combine them into a video: open the MP3 here with Landscape selected, add the picture as Cover art, set the clip to the whole track and export. Upload the MP4 to YouTube.
One picture per video: the cover art, or a full-frame photo under Style → Background → Photo. There are no slideshows here.
For a video, a square image of at least 1080×1080, or 1920×1080 for a full-frame landscape photo. JPEG and PNG both work.
No. Both are opened and combined in your browser. Captions aren’t needed for a music video; if you did press Make captions, only the selected clip’s sound would be sent to be written out.