3GPP to RM Converter

3GPP to RM Converter

3GPP (.3gpp) is the mobile-phone video container standardised by the 3rd Generation Partnership Project — the same format as .3gp, holding H.263, MPEG-4, or H.264 video with AMR or AAC audio at low, phone-friendly resolutions. RM is RealMedia, RealNetworks' legacy streaming container built around the RealVideo and RealAudio codecs. This converter re-wraps a mobile clip into RealMedia, output as RealVideo RV10/RV20 with RealAudio — the only RealVideo encoders available today. Be aware: RealMedia is effectively a dead format, so for a clip that should play everywhere, convert 3GPP to MP4 instead.

3GPP Format at a Glance

RM (RealMedia) Format at a Glance

How to Convert 3GPP to RM

1. Upload Your 3GPP File: Drag and drop your .3gpp clip onto the page or click "+ Add Files" to browse. You can queue several clips at once.
2. Pick a Quality Preset or Target File Size: Open Advanced Options to choose a Quality Preset, set a Specific file size, or switch to Constant Bitrate / Constant Quality. The video is encoded as RealVideo RV10/RV20 with RealAudio.
3. Set Resolution or Trim (Optional): Use Preset Resolutions or Width x Height to resize, or use Trim with a Time Range to keep only part of the clip — re-encoding to RM cannot add detail beyond the source.
4. Convert and Download: Click "Convert" and download your .rm file. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours. No sign-up, no watermark.

Frequently Asked Questions

Should I really convert 3GPP to RM?

For most people, no. RealMedia is a discontinued format that browsers and Windows Media Player cannot play without legacy software, and your already-low-resolution 3GPP clip will not gain any quality from re-encoding. The only sound reason to choose RM is feeding an old RealPlayer-based archive or workflow that specifically needs .rm. If you just want a clip that plays everywhere, convert 3GPP to MP4 instead.

Which RealVideo codec does the output use?

This converter encodes RealVideo RV10 or RV20, both of which are based on H.263, paired with RealAudio. The newer RV30 and RV40 codecs are decode-only in the open-source tooling everyone relies on today (FFmpeg ships RV10 and RV20 encoders but no RV40 encoder), so no online or offline tool can produce a fresh RV40 stream.

What can open an RM file once I have it?

RealPlayer plays RM natively, and VLC Media Player and MPC-HC handle it through their built-in FFmpeg-based decoders. Modern web browsers and Windows Media Player do not play .rm out of the box. If you need it back in a portable form, run it through RM to MP4.

Will converting from 3GPP to RM improve the video quality?

No. 3GPP is already a low-resolution mobile format, and transcoding to RealVideo only re-compresses the existing frames — it cannot reconstruct detail the source never captured. Upscaling the resolution makes the file larger without adding real sharpness.

Is RealMedia still being developed?

No. RealNetworks stopped developing the RealVideo codecs around 2012 and sold the associated patents to Intel. The format survives only for legacy playback, which is why we steer most users toward MP4 for anything that needs to be shared or future-proofed.

Can I convert several 3GPP clips to RM at once?

Yes. Add multiple .3gpp files to the queue and they convert with the same settings. To convert a 3GPP file to other targets in one place, use the 3GPP converter hub.

Are my uploaded files kept private?

Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours. There is no sign-up, no watermark, and files are never shared or made public.