RMVB to WMV Converter
Convert RMVB to WMV online for free. Fast, secure, and high-quality conversion with no sign-up or software required.
Maximum file size is 1GB
Like RunConvert? Set us as a preferred source on Google.
Add to Preferred SourcesHow 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 WMV file?
Windows Media Video (WMV) refers to a series of video codecs and their corresponding coding formats developed by Microsoft, typically encapsulated in the Advanced Systems Format (ASF) container. The format evolved through several iterations (WMV7, WMV8), culminating in WMV9, which was standardized by SMPTE as VC-1 (SMPTE 421M). WMV utilizes inter-frame compression and was originally designed for internet streaming applications and the Windows Media framework, supporting variable bit rate (VBR) and digital rights management (DRM).
How to open a WMV file
WMV files open natively in Microsoft Windows environments via Windows Media Player and the Movies & TV app. On macOS, native support is absent, requiring third-party tools such as VLC media player or the legacy Flip4Mac component for QuickTime. Cross-platform suites like MPlayer and DivX Player also support the ASF container and VC-1 codec family required to render WMV content.
WMV Technical Info
- Full Name
- Windows Media Video
- Developed By
- Microsoft
- Initial Release
- 1999
- MIME Type
- video/x-ms-wmv
More tools
Related conversions
Why RunConvert
The fastest way to convert any file
Purpose-built for speed, privacy, and breadth of format support.
Convert RMVB to WMV in seconds
Every RMVB to WMV 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.
Free - no account needed
Convert without creating an account - no credit card, no trial clock. Sign in only if you want history and higher daily limits.
Developer API
Convert RMVB to WMV via API
Automate RMVB to WMV 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-wmv",
"tasks": {
"upload-file": {
"operation": "import/upload"
},
"convert": {
"operation": "convert",
"input": "upload-file",
"output_format": "wmv"
},
"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.