VOC to MP3 Converter
FileFlip converts VOC to MP3 entirely inside your browser, using WebCodecs and FFmpeg compiled to WebAssembly. The file is never uploaded to a server: it is read off your disk, converted on your own machine, and saved back by the browser. That means no file-size limit, no queue and no account.
How do I convert a VOC file to MP3?#
- Drop your VOC file onto the converter at the top of this page, or click it to pick one from your computer. You can add as many as you like.
- Leave the target set to MP3 and the conversion starts on its own. FileFlip usually downloads nothing, falling back to 30.8 MB of WebAssembly if your browser cannot encode these codecs itself, then runs WebCodecs and FFmpeg on your own machine.
- Save the MP3 file. Your browser writes it straight to your downloads folder, because there was never a server holding it.
Does converting VOC to MP3 lose quality?#
Sometimes. When the codecs inside the VOC file are ones the MP3 container can hold, the streams are copied straight across and nothing at all is lost. When they are not, the file has to be decoded and encoded again, and that step does cost a little quality.
Is it safe to convert VOC files online?#
Yes, because nothing is uploaded. FileFlip converts VOC files inside the browser tab you already have open, using WebAssembly builds of the same engines a desktop converter would install. Your file is read from your own disk into the page's memory, and no request carrying it is ever made.
You do not have to take that on trust. Open your browser's network panel, run a conversion, and you will see the engine come down and your file go nowhere. There is no upload, no server-side copy, no retention window, and no account tied to what you converted.
How FileFlip works lists every engine, its version and its download size, and shows how to check for yourself that nothing leaves your machine.
What VOC to MP3 actually does to the file#
Converting VOC to MP3 runs on WebCodecs and FFmpeg, usually downloads nothing, falling back to 30.8 MB of WebAssembly if your browser cannot encode these codecs itself, copies the streams through when the codecs fit and re-encodes when they do not.
| Engine | WebCodecs and FFmpeg |
|---|---|
| Conversion path | One step: VOC → MP3 |
| Downloaded to your browser | Nothing in most browsers, or 30.8 MB if yours cannot encode these codecs itself |
| Quality | Lossless when the codecs fit, lossy when they do not |
| You get back | One file |
| Where it runs | In a background worker, so the page stays responsive |
What survives the conversion
| What is in the file | This conversion | Why |
|---|---|---|
| Encoded streams | Sometimes | Survives for some files and not others. |
Worth knowing before you start:
- whether the browser can do this without FFmpeg depends on the codecs it exposes through WebCodecs
- the encoded streams are copied when the file's codecs fit the target container, and re-encoded when they do not
What is a VOC file?#
A VOC file holds audio in Creative Voice File format, the format Creative Labs introduced alongside the original Sound Blaster card in 1989 for storing digitized speech and sound effects in DOS-era games.
VOC mainly shows up today inside old DOS games and their emulation via DOSBox, where the original sound assets were never converted to a newer format.
Convert VOC to WAV to play or edit the audio in current software, since almost every modern audio tool reads WAV and very few still read VOC.
What is an MP3 file?#
An MP3 file stores audio encoded with MPEG-1 or MPEG-2 Audio Layer III, a lossy codec that permanently discards sound it predicts a listener won't notice in order to shrink the file to roughly a tenth the size of the original PCM recording.
Pick MP3 when a file needs to play anywhere without a second thought about compatibility.
Convert MP3 to an uncompressed format like WAV only when a downstream tool requires PCM input, keeping in mind that the conversion cannot restore audio the original encoding already discarded.
VOC to MP3 questions people ask#
What creates a VOC file?
VOC files come from Creative Labs' own Sound Blaster recording software and from DOS-era games that shipped their speech and sound effects in this format, since VOC was the native audio format for early Sound Blaster cards.
What still opens VOC files?
Audacity and VLC open VOC files on any current operating system, and DOSBox reads them as part of running the original DOS games they came from. Mainstream media players generally do not support the format.
What should I convert a VOC file to?
Convert VOC to WAV for the widest compatibility with current media players and audio editors. Most VOC files hold uncompressed PCM data, so converting to WAV loses nothing.
Does converting MP3 to FLAC improve the sound quality?
No, converting an MP3 to FLAC does not improve its sound quality. FLAC is lossless, but it can only preserve the audio it's given, and by the time a file is an MP3 the compression has already discarded data permanently. Wrapping it in FLAC afterward just produces a larger file that sounds exactly like the MP3.