Yes. Upload any JPG or PNG and PDF.to centers it on a solid background for the whole 3GP. This is how you give a M4A track a branded video thumbnail.
3GP 是否将标题和艺术家标签 与我的M4A 保持了?
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Where the 3GP container supports metadata, title and artist tags from the M4A are carried over. The cover artwork embedded in the M4A is also used automatically if you do not supply your own.
我可以把很多 M4A 文件转换到 3GP 吗?
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Yes. Drop a folder of M4A files and each becomes its own 3GP video; all of them are zipped for a single download.
Is the M4A to 3GP conversion free?
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Yes, within the free size limit. PRO unlocks much larger M4A uploads, longer durations, and parallel jobs.