AVI to RM Converter

AVI to RM Converter

This page re-encodes an AVI into a RealMedia .rm file using RealNetworks' RealVideo codecs. It is worth being blunt about the direction of travel: almost nobody should be converting into RealMedia today. No browser plays .rm natively, the codecs available in the container here date from the late-1990s streaming era, and a modern AVI will come out visibly softer at any setting. The honest reasons to do it anyway are narrow — you are matching an existing .rm or .rmvb library, or feeding a period player, set-top box or media server that lists RealMedia and rejects anything newer. If you simply want a small file that plays everywhere, convert AVI to MP4 instead. Files are uploaded over an encrypted connection, converted on our servers, and deleted automatically a few hours later.

AVI Format at a Glance

RM (RealMedia) Format at a Glance

What This Converter Writes Into the RM

Three things about the output are worth knowing before you run it.

• Video is RealVideo 1.0 (RV10) unless you change it. RV10 shipped with RealPlayer 5 and is the most broadly recognised RealMedia video codec, so it is the safe default for old hardware. RealVideo 2.0 (RV20), the G2-era codec from the RealPlayer 6 generation, is the other choice; both are built on H.263, so neither is going to rival a modern encoder.
• Know what RealAudio 1.0 is before picking it. The Audio Codec list offers RealAudio 1.0, AAC, and AC3. RealAudio 1.0 is the original 14.4 kbit/s codec derived from the IS-54 VSELP speech coder, and the encoder writes it at 8 kHz in mono — telephone quality, by design, in 1995. That is period-correct if you are matching an old library and a disaster if the clip has music in it. Use AAC (or AC3) whenever the soundtrack matters.
• There is no Variable Bitrate mode on this page. Variable Bitrate is not offered when the video codec is RealVideo, so the rate controls you get are the Quality Preset, Constant Bitrate, Constant Quality, Constraint Quality, Target file size (%) and Specific file size. If you specifically want variable-bitrate RealMedia, that is what AVI to RMVB is for.

How to Convert AVI to RM

1. Upload Your AVI File: Drag and drop, or click "+ Add Files" to add one or more .avi files. Batch conversion is supported and every queued file uses the same settings.
2. Pick the Video and Audio Codec: In Advanced Options, Video Codec is set to RealVideo 1.0; switch to RealVideo 2.0 only if your target player is known to handle it. Set Audio Codec to AAC if the clip has music or anything but plain speech; pick RealAudio 1.0 only for period-correct legacy output.
3. Set Quality, Resolution and Trim (Optional): File Compression opens on the Very High (Recommended) Quality Preset, with Constant Bitrate, Constant Quality, Constraint Quality and Specific file size as alternatives. Video resolution can stay on Keep original or be scaled with Preset Resolutions, and Trim takes a Time Range.
4. Convert and Download: Click Convert and save the .rm file. No sign-up, no watermark.

Frequently Asked Questions

Why does my RM file look worse than the source AVI?

Because you are re-encoding with a codec generation from 1997. RV10 and RV20 are both built on ITU-T H.263, which is markedly less detail-preserving than the MPEG-4 ASP or H.264 video your AVI most likely holds. No preset fixes this; Highest only reduces how much you lose. The picture is decoded and re-compressed on our servers rather than copied through, so a generation of loss is unavoidable. If visual quality is the priority, RealMedia is the wrong target — AVI to MP4 keeps far more detail at the same file size.

Should I pick RealVideo 1.0 or RealVideo 2.0?

RV10 is RealVideo 1.0, the codec that shipped with RealPlayer 5, and it is recognised by essentially everything that has ever supported RealMedia — including old set-top hardware. RV20 is the G2-era codec from the RealPlayer 6 generation; it is slightly more capable, but some period devices refuse it. If your destination is a software player like VLC or RealPlayer, either works. If it is a 2000s-era media box, stay on RV10.

Why does the audio sound like a telephone call?

That happens when the clip was encoded with RealAudio 1.0, the original 14.4 kbit/s speech codec, which the encoder writes at 8 kHz in mono. It was built for dial-up voice streaming in the mid-1990s and it strips everything above the speech band, so music, ambience and stereo imaging all disappear. Set Audio Codec to AAC before converting anything musical; AC3 is the other option if a specific playback chain expects it.

Why is there no Variable Bitrate option?

Variable Bitrate is not available when the video codec is RealVideo, so it does not render on this page. Use Constant Bitrate for a predictable rate, Constant Quality or Constraint Quality to hold a quality level, or Specific file size to hit a target. The variable-bitrate version of RealMedia is a separate container flavour — see AVI to RMVB.

What plays .rm files in 2026?

VLC, mpv and MPC-HC all decode RealVideo and RealAudio through FFmpeg's implementations, so on a desktop the format is still openable. RealPlayer itself still exists. What will not play it: every web browser, essentially every phone's stock player, smart TVs, and modern editing software. That asymmetry is the whole reason most traffic runs the other way, out of RealMedia rather than into it.

What is the difference between RM and RMVB?

RMVB is RealMedia Variable Bitrate — the same container with a rate model that spends more bits on complex scenes and fewer on simple ones, so it generally looks better at a given average file size. RM as produced here holds a rate you set rather than varying it. If the library or device you are matching expects RMVB, use AVI to RMVB so the container and rate model line up with the rest of your collection.

Why would anyone still convert AVI to RM?

Three genuine cases. You keep an existing RealMedia archive and want new clips in the same container, codec and quality target so the collection stays uniform. You are feeding a mid-2000s set-top box, kiosk or media server whose supported-format list includes RealMedia and chokes on anything modern. Or a delivery specification literally names .rm. Outside those, there is no upside — MP4 is smaller, sharper and universally playable.

I have RM files I cannot play — can I go the other way?

Yes, and that is the direction most people actually need. RM to MP4 converts a stranded RealMedia file into H.264 video that plays in every browser, on phones and in every modern editor. Quality already lost to RV10 or RV20 will not come back, but the file becomes usable again, which is usually the point.

What happens to my files after conversion?

Your AVI is uploaded over an encrypted connection and converted on our servers. The upload and the finished .rm file are both deleted automatically a few hours later, there is no sign-up and no watermark, and files are never shared or made public.