VOB to RM Converter

Compress DVD videos into the RealMedia format online

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Settings

The codec to encode the video track. Codec "Without reencoding" copies the video stream from the input file into output without re-encoding if possible.
Set the video quality in a VBR mode. Choose "Custom" if you need to set a fixed bitrate (CBR).
Set an output video resolution by selecting one from the predefined set of the most popular resolutions or manually entering a custom resolution.

vob

VOB (Video Object) is the primary container format used on DVD-Video discs, defined as part of the DVD specification developed by the DVD Forum. The format first appeared with the DVD standard finalized in September 1996 and has since been used on billions of DVD discs produced worldwide. VOB files are based on the MPEG-2 program stream format, containing multiplexed MPEG-2 video alongside audio in AC-3 (Dolby Digital), DTS, MPEG-1 Layer II, or LPCM formats. Beyond audio and video, VOB files also carry DVD subtitle streams as bitmap overlays, navigation data for menu interaction, and chapter point information. The files reside in the VIDEO_TS directory on a DVD disc, with naming conventions (VTS_01_1.VOB, etc.) reflecting the title and part structure of the content. Individual VOB files are limited to approximately 1 GB to accommodate the UDF file system requirements, with longer content spanning multiple files seamlessly. The format supports both NTSC (720x480) and PAL (720x576) video resolutions at bit rates up to 9.8 Mbps for combined audio and video. Integration of video, multi-track audio, subtitles, and navigation into a single program stream made VOB a complete solution for consumer movie delivery. While streaming and newer disc formats have supplanted DVD for new content, VOB remains hugely relevant for accessing the vast library of existing DVD content.
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rm

RM (RealMedia) is a proprietary multimedia container format developed by RealNetworks beginning in 1997. The format was designed specifically for streaming media delivery over the internet, packaging RealVideo and RealAudio codecs into a container optimized for low-bandwidth playback. RM became one of the dominant streaming formats in the late 1990s and early 2000s, when RealPlayer was among the most widely installed media applications and RealNetworks pioneered the concept of buffered streaming video before broadband became widespread. The format uses constant bit rate encoding and a proprietary container structure that supports forward error correction, allowing reasonably smooth playback even over unreliable dial-up connections. RM files can contain multiple streams at different bit rates, enabling SureStream technology that adapts playback quality to available bandwidth in real time. The container supports metadata for title, author, and copyright information, and RealNetworks developed the RTSP and PNA streaming protocols alongside the format for efficient network delivery. Compression in RM was considered impressive for its era, delivering watchable video at bit rates as low as 20-30 kbps when competing approaches struggled. While RealMedia has been largely replaced by modern streaming technologies, RM files remain in archives from the early internet era, including news organizations, educational institutions, and media libraries that adopted RealMedia during its peak popularity.
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Ultra-Compact Output

RM compresses aggressively — converting VOB to RM produces some of the smallest video files, ideal for space-constrained scenarios.

Cloud-Based Encoding

Processing runs entirely on our servers. Even long VOB recordings convert to RM without burdening your device.

Secure Workflow

Your uploaded VOB files are deleted after conversion. RM output files are purged from our servers within 24 hours.

How to convert VOB to RM

1

Select or drag&drop VOB video to convert it to the RM format from your computer, iPhone or Android. Moreover, it is possible to choose it from your Google Drive or Dropbox account.

2

Now your video is uploaded and you can start the VOB to RM conversion. If it is needed, change the output format to one of the 37 video formats supported. After that, you can add more videos for batch conversion.

3

If you want, you can customize such settings as resolution, quality, aspect ratio and others by clicking the gear icon. Apply them to all the video files if necessary and click the button "Convert" to process.

4

Once your video is converted and edited, you can download it to your Mac, PC or another device. If necessary, save the file to your Dropbox or Google Drive account.

About formats

VOB (Video Object) is the primary container format used on DVD-Video discs, defined as part of the DVD specification developed by the DVD Forum. The format first appeared with the DVD standard finalized in September 1996 and has since been used on billions of DVD discs produced worldwide. VOB files are based on the MPEG-2 program stream format, containing multiplexed MPEG-2 video alongside audio in AC-3 (Dolby Digital), DTS, MPEG-1 Layer II, or LPCM formats. Beyond audio and video, VOB files also carry DVD subtitle streams as bitmap overlays, navigation data for menu interaction, and chapter point information. The files reside in the VIDEO_TS directory on a DVD disc, with naming conventions (VTS_01_1.VOB, etc.) reflecting the title and part structure of the content. Individual VOB files are limited to approximately 1 GB to accommodate the UDF file system requirements, with longer content spanning multiple files seamlessly. The format supports both NTSC (720x480) and PAL (720x576) video resolutions at bit rates up to 9.8 Mbps for combined audio and video. Integration of video, multi-track audio, subtitles, and navigation into a single program stream made VOB a complete solution for consumer movie delivery. While streaming and newer disc formats have supplanted DVD for new content, VOB remains hugely relevant for accessing the vast library of existing DVD content.
Developer: DVD Forum
Initial release: September 1996
RM (RealMedia) is a proprietary multimedia container format developed by RealNetworks beginning in 1997. The format was designed specifically for streaming media delivery over the internet, packaging RealVideo and RealAudio codecs into a container optimized for low-bandwidth playback. RM became one of the dominant streaming formats in the late 1990s and early 2000s, when RealPlayer was among the most widely installed media applications and RealNetworks pioneered the concept of buffered streaming video before broadband became widespread. The format uses constant bit rate encoding and a proprietary container structure that supports forward error correction, allowing reasonably smooth playback even over unreliable dial-up connections. RM files can contain multiple streams at different bit rates, enabling SureStream technology that adapts playback quality to available bandwidth in real time. The container supports metadata for title, author, and copyright information, and RealNetworks developed the RTSP and PNA streaming protocols alongside the format for efficient network delivery. Compression in RM was considered impressive for its era, delivering watchable video at bit rates as low as 20-30 kbps when competing approaches struggled. While RealMedia has been largely replaced by modern streaming technologies, RM files remain in archives from the early internet era, including news organizations, educational institutions, and media libraries that adopted RealMedia during its peak popularity.
Developer: RealNetworks
Initial release: 1997

Frequently Asked Questions

Why convert VOB to RM?

RM produces extremely compact files — useful for legacy RealMedia streaming setups or when storage and bandwidth are severely limited.

What plays RM files?

RealPlayer is the native player. VLC and MPC-HC also handle RM without extra plugins on all major desktop platforms.

Is RM still used?

RM is a legacy format but still appears in archived content and some regional media systems. Converting ensures compatibility with those systems.

Does RM include audio?

Yes — both video and audio from the VOB are encoded into the RM file, maintaining full audiovisual content in the output.

Can I convert several files?

Upload multiple VOB files at once and convert each to RM independently. All files download separately when their processing completes.