VOC to WEBA Converter

How to Convert VOC to WEBA Online

1. Upload Your VOC File: Drag and drop or click "+ Add Files" to load one or more .voc Creative Voice files from your device. Batch processing is supported, so legacy DOS-era game audio archives or Sound Blaster recordings can all be queued together.
2. Pick Quality Preset: Default is Highest, which routes the encoder through Opus at a transparent bitrate. Step down to High, Medium, Low, or Lowest for smaller files, or open Custom Bitrate to set Constant Bitrate (e.g. 64, 96, 128, 160 kbps) for predictable file sizes. Specific file size targeting is also available if you need to hit an upload cap.
3. Tune Audio Channel, Sample Rate, and Trim (Optional): Leave Audio Channel and Audio Sample Rate on Original to mirror the source, or downmix to Mono and resample to 8000–48000 Hz for speech-heavy clips. Use Trim to clip a start offset or duration in HH:MM:SS.ms — handy when only a short sample inside a long VOC block is needed.
4. Convert and Download: Click Convert. Files process server-side over an encrypted session, then download as .weba. No account, no watermark, no e-mail required.

Why Convert VOC to WEBA?

VOC (Creative Voice File) was developed by Creative Technology in the early 1990s for the Sound Blaster line of sound cards. The container is block-based — it stores 8-bit unsigned PCM, later 16-bit PCM, A-law and µ-law, plus silence markers, ASCII text blocks, and repeat instructions — but it lost mainstream adoption after RIFF WAVE became the Windows default. WEBA (WebM Audio) is the audio-only segment of Google's WebM container and almost always carries an Opus stream — an IETF royalty-free codec standardized as RFC 6716 in September 2012 with a 6–510 kbit/s bitrate range. Converting transforms an obsolete 90s container into a modern web-native file that plays back in Chrome, Firefox, Edge, and Safari without third-party software.

• Preserve DOS-era game audio for the web — VOC clips from titles like Eye of the Beholder or In Search of Dr. Riptide can be re-encoded into Opus inside WEBA so they autoplay in a browser without requiring a Sound Blaster emulator or DOSBox audio routing.
• Shrink uncompressed archives — an 8-bit mono VOC at 22050 Hz is ~22 KB/sec uncompressed; the same content at 64 kbps Opus is ~8 KB/sec, a ~63% reduction with no audible loss for voice.
• Embed in HTML5 <audio> elements — Chrome 33+, Firefox 28+, Edge, and Opera ship Opus-in-WebM natively; Safari added WebM/Opus playback in 14.1 (April 2021). VOC has no native browser playback at all.
• Voice messaging and VoIP exports — WhatsApp, Discord, and most WebRTC apps use Opus internally, so a WEBA file imports cleanly into voice tooling without a transcode step.
• Open, royalty-free pipeline — Opus and WebM are both royalty-free with BSD-licensed reference implementations; VOC is a proprietary Creative Labs format and its tooling is largely abandonware.

VOC vs WEBA — Format Comparison

Opus Bitrate Quick Guide for WEBA Output

For reference, Opus at 64 kbps stereo is widely considered transparent for music in listening tests — well below the 128 kbps typically needed for MP3 transparency.

Frequently Asked Questions

Will I lose audio quality going from VOC to WEBA?

VOC is usually uncompressed 8-bit or 16-bit PCM, while WEBA wraps a lossy Opus stream, so there is a one-time perceptual encoding step. In practice, Opus at 96–128 kbps stereo is acoustically transparent for almost all source material, and at 64 kbps it already outperforms MP3 at 128 kbps for voice. Pick Highest in Quality Preset to minimize any artifacts.

My VOC file is 8-bit mono at 11 kHz — what sample rate should I pick?

Leave Audio Sample Rate on Original. Opus internally resamples to 8, 12, 16, 24, or 48 kHz depending on bitrate, so upsampling beforehand wastes bytes without adding information. For an 11 kHz speech VOC, 24 kbps Opus mono is usually plenty.

Does WEBA play on iPhone and macOS?

Safari added native WebM/Opus playback in version 14.1 (April 2021) on both iOS and macOS. Older devices on iOS 13 or earlier cannot play .weba natively; for those targets, use VOC to MP3 instead, since MP3 plays everywhere.

Why is the converted WEBA file so much smaller than the original VOC?

Most VOC files store raw PCM samples (one byte per sample at 8-bit, two at 16-bit), so a one-minute mono 22 kHz VOC is around 1.3 MB. Opus at 64 kbps mono is roughly 480 KB for that same minute — about a 60–65% reduction — because it discards perceptually masked audio that the ear cannot detect.

Can I trim silence from the start of a VOC clip during conversion?

Yes. Open Trim and enter a start offset (e.g. 00:00:01.500) plus a duration. This is useful because VOC's block structure often pads recordings with explicit silence blocks that you may not want in the WEBA output.

What if my VOC is multi-block with embedded text or markers?

VOC files can contain non-audio blocks: silence, ASCII text annotation, repeat-loop markers, and an end-of-data block. The converter reads only the sound-data blocks and discards metadata, so the resulting WEBA is a continuous audio stream. Looped sections from repeat blocks are unrolled into linear audio.

Should I pick Constant Bitrate or leave it on a preset?

Quality Preset uses Opus's native variable bitrate, which gives better quality-per-byte for most content. Choose Constant Bitrate only if you need predictable file sizing — e.g. uploading to a CDN with a per-file cap or hitting an exact target with Specific file size.

Can I use this for batch conversion of a whole game audio dump?

Yes — drop multiple .voc files in at once and they convert in parallel with the same Quality Preset, Audio Channel, and Audio Sample Rate. If you need other targets later, see VOC to WAV for lossless or the broader Audio Converter hub for additional output formats.

How do I convert WEBA back if I change my mind?

Use WEBA to MP3 for the most universal playback target, or any other format from the audio hub. Note that going Opus → another lossy codec is a second lossy step, so keep the original VOC archived if quality matters.