Step 1: Submit your MP3 files using the button above or by pull and release.
Step 2: Click the 'Transform' button to start the transformation.
Step 3: Save your converted VOB files.
MP3 to VOB Transformation FAQ
How do I turn a MP3 audio file into a VOB video?
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Upload your MP3 file and the converter wraps the audio into a VOB video container with a generated visual layer (a solid background or the embedded cover art). The audio plays unchanged; you get a VOB file you can upload anywhere that requires video instead of audio.
Why would I convert MP3 to VOB instead of keeping it as audio?
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Most video platforms — YouTube, Instagram, TikTok, Facebook — reject raw audio uploads but accept VOB. Converting MP3 to VOB gives the track a video wrapper so it passes the upload check, while the sound stays exactly as it was in the MP3 source.
What appears on screen in the VOB file?
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By default a static frame: the MP3 file's embedded cover art if present, otherwise a solid background. The frame is held for the full duration of the audio, so the VOB file is a single still image with your MP3 audio as the soundtrack — small and fast to encode.
Will the VOB video lose any audio quality versus the MP3 source?
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No re-sampling beyond what the VOB container's audio codec requires. The MP3 audio is muxed into VOB and, where the container allows the same codec, copied bit-for-bit. Where VOB needs AAC / Opus, we transcode at 192 kbps or higher so the result is transparent.
How long will the VOB video be?
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Exactly as long as the MP3 audio — a 4-minute song becomes a 4-minute VOB video, a 50-minute podcast becomes a 50-minute VOB. The still-image visual costs almost nothing, so duration, not picture, drives the encode time.
How big will the VOB file be compared to the MP3 audio?
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Only slightly larger. Because the picture is a single repeated frame, the video stream adds very little — most of the VOB file size is still the audio. A 5 MB MP3 track typically yields a VOB file in the 6-9 MB range.
Can I use my own image as the background instead of the cover art?
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Not in this one-step converter — it uses the embedded MP3 cover art or a default background. To set a custom still or a looping clip behind the audio, convert MP3 to VOB here first, then use /video-editor/ to swap the visual track.
Will the VOB file play on YouTube and social platforms?
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Yes. We default to the most compatible codec for the VOB container (H.264 for MP4 / MOV, VP9 for WebM, H.265 for MKV) so the VOB upload is accepted and transcoded cleanly by YouTube, Instagram, TikTok and Facebook without a "format not supported" error.
Can I batch-convert a whole album of MP3 files to VOB?
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Yes — drop the full set of MP3 files in and each becomes its own VOB video in parallel. Premium runs more workers, so a 12-track album finishes far faster than converting each MP3 one at a time.
Are my MP3 files private during the VOB conversion?
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Yes — uploaded MP3 files are processed in isolated workers and deleted within minutes. We never listen to, retain, or share your audio. The full retention window is documented at /privacy/.
Does the VOB video keep the MP3 title and artist tags?
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Where the VOB container supports metadata, the MP3 title / artist / album tags are copied into the VOB file. Note that most video platforms read their own title field on upload rather than the embedded tag, so set the platform title manually too.
What's the difference between converting MP3 to VOB and just extracting audio later?
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Converting MP3 to VOB adds a visual layer so the audio can live as a video; the reverse — pulling audio back out of a video — is a separate /video-to-audio/ operation. If you only need the sound in a different audio format, use the audio-to-audio converter instead of going through VOB.