DCR to AV1 Converter

DCR to AV1 Converter

DCR is Kodak's Digital Camera Raw format — a single undeveloped still frame from a Kodak DCS professional body. AV1 is a modern, royalty-free video codec. Putting the two together means rendering that one RAW photograph and holding it on screen as a short, silent AV1 clip. It is a genuinely useful conversion for a title card or a held frame inside an AV1 project, and completely the wrong tool if you just want to look at the picture — for that, use DCR to JPG. This page explains both formats precisely so you can tell which case you are in.

DCR Format at a Glance

AV1 Format at a Glance

How to Convert DCR to AV1

1. Upload Your DCR File: Drag your .dcr onto the page or click "+ Add Files". Add several if you want them merged into one clip.
2. Set Merge Strategy and Image Duration: Merge strategy starts on Merge images, stitching every upload into one clip in upload order; Video per image writes a separate file each. Image Duration starts on 5 seconds per frame and ranges from a single frame's worth of time up to 10 seconds.
3. Choose Quality Preset, Resolution and Background Color: Under File Compression, Quality Preset starts on Very High (Recommended), with Constant Quality and Constraint Quality available for finer control. Video resolution starts on Keep original, and Background Color starts on White for any bars added when the aspect ratios differ.
4. Convert and Download: Click Convert and save the file. Files upload over an encrypted connection, are processed on our servers, and are deleted automatically after a few hours. No sign-up, no watermark.

What the Output File Actually Is

The single most common source of confusion on this page is the .av1 extension, so it is worth being exact about what lands in your downloads folder.

AV1 is a codec, not a container — an AV1 bitstream has to live inside something. Our encoder writes yours into a Matroska container, the same structure an .mkv file uses, and then names the result .av1 to match the target you selected. The bytes are a well-formed Matroska file with proper timestamps, duration and working seek; only the file name is unusual. That is why VLC and mpv, which inspect the content, open it immediately, while software that decides what a file is from its extension refuses it. Renaming the download to .mkv changes nothing about the data and fixes most of those refusals.

Because the source is a still image, there is no audio track at all. On a video-sourced AV1 conversion the audio would be encoded to Opus, the codec that pairs with AV1 targets here; from a photograph there is simply nothing to encode, and the Audio Codec control is hidden entirely.

Frequently Asked Questions

Is .av1 a real file format?

Not in the way .mp4 or .mkv are. AV1 names a codec — the compression scheme for the video data — while the file itself needs a container to carry timestamps and stream structure. The .av1 file this page produces is a Matroska container with an AV1 video stream inside it, saved under the extension you asked for. Treat the extension as a label for the codec you wanted, not as a distinct format.

Why won't my .av1 file open in my media player?

Almost always because the player is deciding what the file is from its name. Players that inspect the actual content, such as VLC and mpv, open it without complaint. For anything that does not, rename the download to .mkv — the bytes are already a valid Matroska file, so nothing is re-encoded and nothing is lost. If you need broad compatibility instead, convert onward with AV1 to MP4 or AV1 to WebM.

Does the AV1 clip have sound?

No, and it cannot. A DCR is a still photograph with no audio stream, so the converter hides the Audio Codec control for image sources and writes a video-only file. Add music or narration afterwards in any video editor if the clip needs it.

Why can't I set a bitrate or a target file size on this page?

Those modes are hidden deliberately when the source is an image. Bitrate and target-size compression are built around a moving picture whose complexity varies over time, which lets the encoder distribute bits across the timeline. A single held frame has no such variation, so the useful controls are quality-based: Quality Preset, Constant Quality and Constraint Quality. That is what this page exposes.

Will I lose the RAW's colour depth converting to AV1?

Yes. A Kodak DCR carries roughly 12 to 14 bits per channel of undeveloped sensor data with full editing latitude; the video output here is 8-bit, so that extra headroom is compressed into the visible range during the render. Highlight recovery and white-balance freedom are gone once the frame is encoded. Keep the original DCR as your master if you may want to grade it later.

Which video codec does this page use, and can I change it?

With AV1 as the target, the Video Codec control resolves to AV1 — that pairing is what the target means, so there is nothing to decide. What you can change is how hard the encoder works: Quality Preset moves the whole quality-versus-size curve, while Constant Quality and Constraint Quality give you direct control if you know what you want. Expect AV1 to take meaningfully longer to encode than H.264 or H.265 for the same clip.

How long is the clip, and how do I make it longer?

Duration comes from Image Duration, which starts at 5 seconds per frame and can be set anywhere from a fraction of a second up to 10 seconds per frame. With Merge strategy on Merge images, total length is that per-frame duration multiplied by the number of DCR files you uploaded — so six photos at 5 seconds each give you a 30-second clip.

Should I convert a DCR to AV1 at all?

Only when something downstream specifically wants AV1. If you want to view, print or share the photograph, DCR to JPG or DCR to PNG is the right answer and takes a fraction of the time. If you need the still as a playable clip but have no codec requirement, DCR to MP4 plays essentially everywhere. AV1 earns its place when file size matters and you control the playback environment.

What happens to my DCR file after the conversion?

It is uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours. There is no sign-up and no watermark, and files are never shared or made public. Kodak DCS RAW files are large by the standards of their era but small by today's, so the upload is usually brief even for a batch.