# Convert RMVB to MKA

> Convert RMVB to MKA online for free in seconds. Files are processed in a secure, isolated sandbox and deleted automatically. No sign-up, no watermarks.

URL: https://www.converterrr.com/rmvb-to-mka

- Runs in an isolated cloud sandbox with FFmpeg: files are deleted automatically, and the job uses cloud credits.
- Engines: FFmpeg (cloud).
- API: available. `POST /api/v1/jobs` with `"output_format": "mka"` (paid plans).
- More: [Video converter](https://www.converterrr.com/video-converter), [RMVB converter](https://www.converterrr.com/rmvb-converter).

## How to convert RMVB to MKA

1. **Add your RMVB files.** Drag and drop RMVB files onto the converter, paste them, or click to browse. You can add several at once.
2. **Choose MKA.** MKA is already selected. Open Options if you want to change quality, size or metadata.
3. **Convert.** Click Convert. Files are processed in a secure cloud sandbox and are usually ready in seconds.
4. **Download your MKA.** Download each MKA file, or everything at once as a ZIP.

## Good to know

- Only the audio track is kept — the result is a MKA file you can play anywhere. Use Options to pick a bitrate.
- RMVB files are typically used for older shared video files, while MKA is best for multi-track and lossless audio.
- This conversion runs on FFmpeg in an isolated cloud sandbox. Files are encrypted in transit and deleted automatically.

## RMVB vs MKA

|  | RMVB | MKA |
| --- | --- | --- |
| Full name | RealMedia Variable Bitrate | Matroska Audio |
| Type | Video | Audio |
| Extensions | .rmvb | .mka |
| MIME type | application/vnd.rn-realmedia-vbr | audio/x-matroska |
| Best for | older shared video files | multi-track and lossless audio |
| Properties | legacy format, proprietary | open standard |

**RMVB:** RMVB is the variable-bitrate version of RealMedia, once common for sharing TV series.

**MKA:** MKA is the audio-only Matroska container, able to hold any codec and multiple tracks.

## Related conversions

- [RMVB to MP4](https://www.converterrr.com/rmvb-to-mp4) (cloud)
- [MP3 to MKA](https://www.converterrr.com/mp3-to-mka) (in the browser)
- [RMVB to MP3](https://www.converterrr.com/rmvb-to-mp3) (cloud)
- [MP4 to MKA](https://www.converterrr.com/mp4-to-mka) (in the browser)
- [RMVB to WebP](https://www.converterrr.com/rmvb-to-webp) (cloud)
- [WAV to MKA](https://www.converterrr.com/wav-to-mka) (in the browser)
- [RMVB to MOV](https://www.converterrr.com/rmvb-to-mov) (cloud)
- [MOV to MKA](https://www.converterrr.com/mov-to-mka) (in the browser)
- [RMVB to GIF](https://www.converterrr.com/rmvb-to-gif) (cloud)
- [M4A to MKA](https://www.converterrr.com/m4a-to-mka) (in the browser)
- [RMVB to WAV](https://www.converterrr.com/rmvb-to-wav) (cloud)
- [WebM to MKA](https://www.converterrr.com/webm-to-mka) (in the browser)

## Convert RMVB to other formats

[RMVB to MP4](https://www.converterrr.com/rmvb-to-mp4), [RMVB to MP3](https://www.converterrr.com/rmvb-to-mp3), [RMVB to WebP](https://www.converterrr.com/rmvb-to-webp), [RMVB to MOV](https://www.converterrr.com/rmvb-to-mov), [RMVB to GIF](https://www.converterrr.com/rmvb-to-gif), [RMVB to WAV](https://www.converterrr.com/rmvb-to-wav), [RMVB to WebM](https://www.converterrr.com/rmvb-to-webm), [RMVB to MKV](https://www.converterrr.com/rmvb-to-mkv), [RMVB to M4A](https://www.converterrr.com/rmvb-to-m4a), [RMVB to AVI](https://www.converterrr.com/rmvb-to-avi), [RMVB to FLAC](https://www.converterrr.com/rmvb-to-flac), [RMVB to AAC](https://www.converterrr.com/rmvb-to-aac), [RMVB to OGG](https://www.converterrr.com/rmvb-to-ogg), [RMVB to WMV](https://www.converterrr.com/rmvb-to-wmv), [RMVB to Opus](https://www.converterrr.com/rmvb-to-opus), [RMVB to FLV](https://www.converterrr.com/rmvb-to-flv), [RMVB to M4V](https://www.converterrr.com/rmvb-to-m4v), [RMVB to MPEG](https://www.converterrr.com/rmvb-to-mpeg), [RMVB to 3GP](https://www.converterrr.com/rmvb-to-3gp), [RMVB to WMA](https://www.converterrr.com/rmvb-to-wma), [RMVB to MPG](https://www.converterrr.com/rmvb-to-mpg), [RMVB to TS](https://www.converterrr.com/rmvb-to-ts), [RMVB to AIFF](https://www.converterrr.com/rmvb-to-aiff), [RMVB to AMR](https://www.converterrr.com/rmvb-to-amr)

## Convert other formats to MKA

[MP3 to MKA](https://www.converterrr.com/mp3-to-mka), [MP4 to MKA](https://www.converterrr.com/mp4-to-mka), [WAV to MKA](https://www.converterrr.com/wav-to-mka), [MOV to MKA](https://www.converterrr.com/mov-to-mka), [M4A to MKA](https://www.converterrr.com/m4a-to-mka), [WebM to MKA](https://www.converterrr.com/webm-to-mka), [FLAC to MKA](https://www.converterrr.com/flac-to-mka), [MKV to MKA](https://www.converterrr.com/mkv-to-mka), [AAC to MKA](https://www.converterrr.com/aac-to-mka), [AVI to MKA](https://www.converterrr.com/avi-to-mka), [OGG to MKA](https://www.converterrr.com/ogg-to-mka), [WMV to MKA](https://www.converterrr.com/wmv-to-mka), [Opus to MKA](https://www.converterrr.com/opus-to-mka), [WMA to MKA](https://www.converterrr.com/wma-to-mka), [FLV to MKA](https://www.converterrr.com/flv-to-mka), [M4V to MKA](https://www.converterrr.com/m4v-to-mka), [MPEG to MKA](https://www.converterrr.com/mpeg-to-mka), [3GP to MKA](https://www.converterrr.com/3gp-to-mka), [AIFF to MKA](https://www.converterrr.com/aiff-to-mka), [AMR to MKA](https://www.converterrr.com/amr-to-mka), [MPG to MKA](https://www.converterrr.com/mpg-to-mka), [TS to MKA](https://www.converterrr.com/ts-to-mka), [M4B to MKA](https://www.converterrr.com/m4b-to-mka), [MTS to MKA](https://www.converterrr.com/mts-to-mka)

## RMVB to MKA: frequently asked questions

### How do I convert RMVB to MKA?

Drop your RMVB file onto the converter above, make sure MKA is selected, and click Convert. When it's done, download the MKA file — it usually takes a few seconds.

### Is it safe to convert RMVB to MKA here?

Yes. Your file is sent over an encrypted connection to an isolated sandbox that's created for your job only, then both the original and the result are deleted automatically.

### Is the RMVB to MKA converter free?

Yes. Cloud conversions like this one use credits, and you get free credits every day (3 without an account, 10 with a free account).

### Will converting RMVB to MKA reduce quality?

No — MKA preserves the content of your RMVB file as faithfully as the format allows.

### Can I convert multiple RMVB files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.