ERF to MPG Converter
Initializing... drag & drop files here
Supports: ERF
Advanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
Reset to defaults
Need help?ERF to MPG Converter
ERF is Epson's RAW photo format — a single high-bit-depth still written straight off the sensor of an Epson R-D1 or R-D1s rangefinder camera. MPG is a legacy MPEG program-stream video container. This converter renders one ERF photo into a short, silent MPG clip that holds the still on screen for a set duration. It is a genuinely niche conversion: if you only want a viewable picture, convert the ERF to a still image instead — MPG makes sense only when a player, kiosk, or DVD-authoring workflow specifically needs a video file.
ERF Format at a Glance
| Property | Value |
|---|---|
| Full name | Epson RAW Format |
| Cameras | Epson R-D1 and R-D1s digital rangefinders (mid-2000s) |
| Container | TIFF/EP-based; CFA sensor data in a SubIFD, plus a thumbnail JPEG |
| Holds | A single still photo — unprocessed sensor data, not video |
| Compression | Bit-packed RAW (a custom packing, not a finished image) |
| Editing latitude | High: white balance and exposure can be re-developed from RAW |
| Editor support | Adobe Lightroom and Camera Raw, Photoshop, Epson PhotoRAW |
| Best for | Editing and archiving R-D1 captures before exporting a finished image |
MPG Format at a Glance
| Property | Value |
|---|---|
| Full name | MPEG program stream (the .mpg container) |
| Standard | ISO/IEC 11172 (MPEG-1, 1993) and ISO/IEC 13818 (MPEG-2) |
| Video codec here | MPEG-2 by default on this converter |
| Audio | MPEG-1 Audio Layer II (MP2) when present — but a photo source produces a silent clip |
| Bit depth | 8 bits per channel |
| Best for | DVD-era authoring, set-top boxes, and legacy players that predate H.264 |
| Modern alternative | H.264 in MP4 — smaller, sharper, far more compatible |
How to Convert ERF to MPG
- Upload Your ERF File: Drag and drop your
.erfphoto onto the page or click "+ Add Files" to browse. You can queue several Epson R-D1 files at once. - Set the Duration: Under "Duration", choose how long the still is held on screen — the dropdown defaults to "5 seconds per frame" and ranges from a fraction of a second up to 10 seconds. This sets the length of the resulting clip.
- Set Quality, Resolution, and Background: Keep the "Preset" on "Very High (Recommended)" under Quality Preset; leave "Video resolution" on "Keep original" or pick a Fixed or Preset resolution; and set a "Background Color" (Black by default) to fill any letterbox bars left when the photo's aspect ratio doesn't match the frame.
- Convert and Download: Click "Convert" and download your MPG. No sign-up, no watermark.
Frequently Asked Questions
What does converting an ERF photo to MPG actually produce?
A short, silent video that shows your single ERF photo as a still frame for the duration you set. There is no motion and no sound — the converter demosaics and tone-maps the RAW into one ordinary video frame and holds it. If your goal is a picture you can view, print, or post, this is the wrong format; convert to ERF to JPG or ERF to TIFF instead. Choose MPG only when something downstream genuinely needs a .mpg file.
Why is the MPG clip silent?
An ERF holds a photo, and a photo carries no sound, so this image-to-video conversion writes no audio track rather than padding the clip with silence. The MPG is silent in every case. If you need a soundtrack, open the clip in a video editor afterward and add music or narration.
Does the MPG keep my ERF photo's full bit depth and editing latitude?
No. An ERF stores bit-packed RAW sensor data with wide editing latitude — the raw output of the R-D1 sensor before any white-balance or exposure decisions are baked in. To make a video frame, that data is demosaiced and tone-mapped down to an ordinary 8-bit MPEG frame, and a high-resolution image is scaled to fit the chosen resolution. The video is a rendered, baked-in interpretation; it does not preserve the highlight recovery or detail of the original RAW. Keep the .erf as your master.
Should I use MPG or MP4 for an ERF-derived clip?
MP4 (H.264) for almost everything. The .mpg output here carries MPEG-2, a 1990s codec built for DVDs and set-top boxes — larger files, softer image, and patchy support on modern phones and browsers. Choose ERF to MP4 for sharing, editing, or web use, and reserve MPG for a player or DVD-authoring tool that specifically requires that container.
What if I just want to view or edit the ERF, not make a video?
Then skip the video wrapper entirely. Convert to ERF to JPG for a small, universally openable image, or to ERF to TIFF for a high-fidelity, print-ready master that keeps more detail. The ERF itself still opens in current Adobe Lightroom and Camera Raw releases as well as Epson PhotoRAW — the video route is only for the rare case where you genuinely need an .mpg file.
Why is the converted clip bigger than the original photo, and what can I do about it?
MPEG-2 is an older, low-efficiency codec, and holding a still for several seconds at video bitrates can produce a file bigger than the source photo. In our testing, a single ERF held for 5 seconds and encoded as MPG produced a short standard-definition clip noticeably heavier than the same image saved as a high-quality JPG. Shorten the "Duration", or if the file needs to be smaller still, run the result through the video compressor.
How are my files handled, and how long are they kept?
Your ERF is uploaded over an encrypted connection, rendered on our servers, and deleted automatically a few hours after conversion — no sign-up, no watermark, and your photos are never shared or made public.