RM to OGG Converter

Convert RM to OGG: Rescue Proprietary RealAudio into an Open Codec

This tool pulls the soundtrack out of a 1990s or early-2000s .rm (RealMedia) file and re-encodes it as OGG — by default the open, royalty-free Vorbis codec inside the Xiph.Org Ogg container. It is, in plain terms, a liberation move: the audio escapes a proprietary, abandoned streaming format and lands in one that is patent-free and maintained in the open. The video, if any, is discarded — you get an audio-only .ogg file. The honest catch is that RealAudio was already lossy, so this is a rescue-and-modernize job, not a quality upgrade; the tables and FAQs below explain what carries over and what cannot.

RM (RealMedia) Format at a Glance

OGG (Vorbis) Format at a Glance

How to Convert RM to OGG

1. Upload Your RM File: Drag and drop your .rm file onto the page, or click "+ Add Files" to browse. Queue several captures at once and they all run with the same settings.
2. Pick a Quality Preset: Open Advanced Options and leave the Quality Preset on Very High (Recommended), or step down toward Low to shrink the file. The output codec defaults to Vorbis; switch to Custom Bitrate, Constant Bitrate, or Variable Bitrate to type an exact value for a lossy source.
3. Set Audio Channel, Sample Rate, or Trim (Optional): Leave Audio Channel and Audio Sample Rate on Original to copy the source layout, or drop to mono and lower the rate for a spoken-word capture. Use Trim to export only part of a long recording.
4. Convert and Download: Click "Convert" and save your .ogg file individually or as a ZIP. No sign-up, no watermark.

If the .rm is a video and you want to keep the picture, convert the whole thing with RM to MP4 instead. For the variable-bitrate .rmvb variant, use RMVB to OGG.

Frequently Asked Questions

Does converting RM to OGG keep the video?

No. This is an audio extraction: any RealVideo picture in the .rm file is discarded and you get an audio-only .ogg file. That is what you want for lectures, internet-radio captures, early podcasts, or music streams. If you need the picture as well, convert to a video format with RM to MP4 instead.

Will OGG Vorbis sound better than the RealAudio in my RM file?

No — and that is an honest limit, not a tool flaw. RealAudio inside an .rm file is already lossy, so the detail discarded when it was first encoded is gone for good, and Vorbis cannot rebuild it. This is a lossy-to-lossy transcode, so the goal is a small, open, future-proof file, not added fidelity. Pick a bitrate at or above the source rate to avoid stacking noticeable new loss on top.

What bitrate should I pick for an old RealAudio stream?

Match the source, roughly. Many plain .rm files are low-bitrate streaming captures, so a Vorbis stream of 96 kbps is clean for speech and 128-192 kbps is fine for music. In our testing, a 30-minute RealAudio talk re-encoded to a 96 kbps Vorbis file landed near 21 MB and was hard to distinguish from the source in normal listening. Pushing the bitrate far above the original just inflates the file — it cannot add back detail RealAudio already threw away.

Why is the OGG file Vorbis, and can I get Opus instead?

By default the Ogg container here holds Vorbis, the codec the Xiph.Org Foundation released as version 1.0 in July 2002 and describes as "fully open, non-proprietary, patent-and-royalty-free." Vorbis has the widest player support of the Ogg codecs and is the safe pick for a general-purpose .ogg file. If you want Xiph's newer, more efficient codec — better per kilobit, especially for speech — use RM to Opus instead; just note Opus playback is thinner on older hardware.

Why move my RM files to an open format now rather than later?

Because RealMedia is fading. Its ecosystem wound down after RealNetworks sold its video patents and next-generation codec software to Intel for $120 million, a deal completed on April 5, 2012; RealPlayer is rarely installed today and working RealAudio decoders are getting scarcer. Converting old .rm archives to an open, patent-free target like OGG Vorbis — while FFmpeg-class decoders can still read the source — protects the audio from becoming unplayable later.

My OGG file won't play on my iPhone or in Apple Music — why?

OGG Vorbis plays natively in Chrome, Firefox, Edge, Android, VLC, and most desktop players, but Apple's Music app and Safari do not decode it out of the box. If your target is an Apple device, the more universal pick is RM to MP3, which plays virtually everywhere with no extra software. OGG remains the better choice when you control the player or want a fully open, royalty-free format.

How are my files handled, and how long are they kept?

Your RM file is uploaded over an encrypted connection, processed on our servers, and the OGG output is returned to your browser. Uploaded and converted files are deleted automatically a few hours after conversion. There is no sign-up, no watermark, and your files are never shared or made public.