RMVB to WMA Converter
Convert RMVB to WMA online for free. Fast, secure, and high-quality conversion with no sign-up or software required.
Maximum file size is 1GB
How it works
Three steps to your converted file
Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.
Upload your file
Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.
Choose an output format
Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.
Convert & download
Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.
What is an RMVB file?
RealMedia Variable Bitrate (RMVB) is an extension of the RealMedia container format developed by RealNetworks. Unlike standard RM files which often prioritize Constant Bit Rate (CBR) for streaming predictability, RMVB utilizes Variable Bit Rate (VBR) encoding. This allocates more data to complex visual segments (high motion) and less to static scenes, resulting in smaller file sizes with higher perceptual quality. It was historically prevalent in the distribution of Asian media content but lacks support for modern H.264/H.265 compression standards.
How to open an RMVB file
Windows Media Player and QuickTime do not natively support the RMVB container. To play these files, users should utilize the VLC media player, which contains built-in decoders for RealVideo 8, 9, and 10 variants typically found within RMVB headers. Alternatively, Media Player Classic - Home Cinema (MPC-HC) combined with the K-Lite Codec Pack can render the format on Windows systems.
RMVB Technical Info
- Full Name
- RealMedia Variable Bitrate
- Developed By
- RealNetworks
- Initial Release
- 2002
- MIME Type
- application/vnd.rn-realmedia-vbr
What is a WMA file?
Windows Media Audio (WMA) refers to a series of audio codecs and their corresponding Microsoft container format, designed as a competitor to MP3 and RealAudio. The standard WMA codec is lossy, but the format family includes WMA Lossless, WMA Pro (multichannel), and WMA Voice. It utilizes the Advanced Systems Format (ASF) container structure and supports digital rights management (DRM), which historically restricted playback to authorized Windows devices.
How to open a WMA file
WMA files are native to the Windows ecosystem and open by default in Windows Media Player and Movies & TV. macOS users require third-party components like Flip4Mac (legacy) or universal players such as VLC Media Player and Elmedia Player to decode the stream. Android and Linux support is generally provided via VLC or by installing ffmpeg-based media libraries.
WMA Technical Info
- Full Name
- Windows Media Audio
- Developed By
- Microsoft
- Initial Release
- 1999
- MIME Type
- audio/x-ms-wma
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Purpose-built for speed, privacy, and breadth of format support.
Convert RMVB to WMA in seconds
Every RMVB to WMA conversion runs on our servers, so your device stays fast and the output quality stays intact.
Fast, cloud-powered
No queue, no waiting. Files are processed on high-performance servers and returned in seconds, even for large files.
Secure & private
Encrypted in transit and never shared with anyone. Uploads are erased the moment your job completes, and results shortly after.
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Developer API
Convert RMVB to WMA via API
Automate RMVB to WMA conversions in three steps: create a job, upload your file, then poll for the result.
# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"tag": "rmvb-to-wma",
"tasks": {
"upload-file": {
"operation": "import/upload"
},
"convert": {
"operation": "convert",
"input": "upload-file",
"output_format": "wma"
},
"export-result": {
"operation": "export/url",
"input": "convert"
}
}
}'
# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.rmvb
# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
-H "Authorization: Bearer YOUR_API_KEY"Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.