DVR to MPEG Converter

DVR-MS vs MPEG: Which Should You Convert To?

If you are holding an old .dvr recording from Windows Media Center, the short answer is this: convert to .mpeg when you want the most faithful copy that ordinary desktop players and editors will open, and convert to MP4 when you want a small file for a phone, a browser, or cloud storage. Both routes re-encode; neither is a stream copy.

The reason MPEG is the faithful choice is that the two formats already agree on the video codec. DVR-MS carries MPEG-2 video, and this page's .mpeg output uses MPEG-2 by default, so there is no cross-codec generation change — the picture is decoded and re-encoded within the same codec family rather than translated into a different one. What you are really shedding is the ASF wrapper and the Media Center metadata and DRM streams bolted onto it.

Side-by-side Comparison

When to Convert to MPEG

• You want the closest thing to a faithful copy, because the video stays in the MPEG-2 family instead of being translated to a different codec.
• The file is heading into a desktop editor or an older authoring tool that expects an MPEG program stream rather than an MP4.
• You want the Media Center wrapper gone so the recording opens without Windows-specific components.
• The recording is standard definition, where MPEG-2's efficiency penalty costs you least.

When to Pick MP4 Instead

• The file is for a phone, a tablet, a browser, or a messaging app — H.264 in MP4 is dramatically smaller at comparable quality and plays natively in Chrome, Firefox, Edge and Safari.
• You are archiving many hours of recordings and storage matters more than codec lineage.
• The source is HD, where MPEG-2 needs several times the bitrate H.264 would for the same picture.

If any of those apply, use DVR to MP4 instead. For a container that holds multiple audio tracks and subtitles from a broadcast, DVR to MKV is the better fit.

How to Convert DVR to MPEG

1. Upload Your DVR File: Drag your .dvr recording onto the page or click "+ Add Files". Several recordings can be queued with the same settings. The extension check is literal, so rename a .dvr-ms file to .dvr first.
2. Confirm the Codecs: Video Codec offers MPEG-1 and MPEG-2, and MPEG-2 is what applies for a .mpeg target unless you change it. Audio Codec offers AC3, DTS (DCA), MP2 and MP3, defaulting to MP2 — the same family as most DVR-MS soundtracks.
3. Set File Compression, Resolution or Trim: File Compression starts on Quality Preset with "Very High (Recommended)" selected. Constant Bitrate, Variable Bitrate and Specific file size are the alternatives worth using; Video resolution stays on "Keep original" unless you pick a percentage, a preset from 144p to 4320p, or explicit dimensions. Trim takes a start time and duration.
4. Convert and Download: Click Convert and save the .mpeg. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours. No sign-up, no watermark.

How the Quality Preset Behaves with MPEG-2

MPEG-2 has no constant-rate-factor mode, so the Quality Preset cannot work the way it does for H.264 or VP9. Instead it scales the source video's own bitrate by a fixed multiplier and encodes at variable bitrate around that target, with 1.5x headroom for complex scenes. That makes the presets predictable in a way CRF is not: you can estimate the output size directly from the input.

Two consequences are worth planning around. First, the default preset targets a higher bitrate than the recording already used, so a converted file is often bigger than the original — pick Medium or Low if size matters. Second, avoid the "Constant Quality" and "Constraint Quality" modes on this page: they are CRF modes, MPEG-2 does not support CRF, and the quality number you enter is discarded and replaced by the minimum bitrate for your output resolution. Use Constant Bitrate, Variable Bitrate or Specific file size when you want manual control.

The MPEG-2 Bitrate Floor

MPEG-2 fails outright if asked to encode below a viable bitrate for the frame size, so any bitrate you request below the floor is quietly raised to it.

That floor is the practical reason MPEG is a poor choice for shrinking a recording. If your goal is a smaller file rather than a faithful one, the codec is working against you — convert to MP4 and let H.264 do the job, or lower the resolution first so the floor drops with it.

Frequently Asked Questions

Will converting DVR-MS to MPEG lose video quality?

Very little at the default settings, because the video does not change codec family — DVR-MS already stores MPEG-2 and the .mpeg output uses MPEG-2. It is still a fresh encode rather than a stream copy, so a generation of loss exists in principle, but the default preset targets a higher bitrate than the source used, which leaves plenty of room. Lowering the resolution or forcing a small target size is what actually costs visible quality.

Why is my converted file bigger than the original recording?

Because the default Quality Preset targets roughly 1.3 times the source video bitrate, and MPEG-2 enforces a resolution-dependent minimum on top of that. Both push the output up rather than down. Select Medium or Low from the Quality Preset dropdown, or set a Constant Bitrate below the source rate, to come out smaller.

Why does the Constant Quality slider seem to do nothing?

Because MPEG-2 does not implement CRF. When you pick "Constant Quality" or "Constraint Quality" the value is dropped and the encoder falls back to the minimum bitrate for your output resolution, so every quality number produces the same result. This is a genuine limitation of the codec rather than a setting you are using wrong — reach for Constant Bitrate, Variable Bitrate or Specific file size instead.

What audio does the converted MPEG file use?

MP2 — MPEG-1 Audio Layer II — unless you change it, which matches the audio track most standard-definition DVR-MS recordings carry. If your recording was an HD broadcast with Dolby Digital, it is decoded and re-encoded to MP2 by default; select AC3 under Audio Codec if you want to keep Dolby Digital, or MP3 if the destination player is happier with that.

Why won't my DVR-MS file convert at all?

Copy protection is the usual cause. When a broadcast was flagged as protected, Media Center wrote a file that plays back only on the recording device, and no converter can lift that. The second most common cause is a filename ending in .dvr-ms, which fails the literal .dvr extension check — rename it and try again.

Should I use MPEG-1 or MPEG-2 for the video codec?

MPEG-2 in nearly every case, since it matches what the recording already contains and handles interlaced broadcast material properly. MPEG-1 is only worth choosing for compatibility with genuinely ancient software or Video CD-era workflows; it is less efficient and constrained in what resolutions and structures it can encode.

Can I trim a recording before converting?

Yes — the Trim control takes a start time and a duration, in seconds or as HH:MM:SS.sss. It does not reduce the upload, since the whole file still has to reach the server, but it cuts the encode time and gives you a much smaller download at the end.

My file is a .wtv, not a .dvr. What now?

WTV is the Windows Recorded TV Show format that replaced DVR-MS starting with the Windows Media Center TV Pack 2008. It is a different container and will not be accepted here — use WTV to MPEG instead.

Is my recording private when I upload it?

Yes. 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 your recordings are never shared or made public.