CRW to HEVC Converter

Convert CRW to HEVC Online

This tool renders a CRW — Canon's oldest RAW photo, a single unprocessed still from an early-2000s camera — and writes it into an HEVC (H.265) video that holds that one frame on screen. Be clear before you start: this is a deeply mismatched pairing. You are taking Canon's most legacy RAW format and encoding it with a 2013 video codec, and a single still gains nothing from HEVC's compression. For almost everyone the right target is a normal photo, CRW to JPG. If you genuinely need the still as a playable clip, CRW to MP4 is far more compatible than a bare .hevc stream. Pick HEVC only when a specific H.265 pipeline insists on the raw .hevc extension.

How to Convert CRW to HEVC

1. Upload Your CRW File: Drag and drop your .crw onto the page or click "+ Add Files". RAW files are large, so the wait is the upload, not the conversion; add several at once for a slideshow.
2. Set Merge strategy and Image Duration: Choose Merge images to combine every uploaded CRW into one HEVC, or Video per image for a separate clip each. Set Image Duration (default 5 seconds per frame) to control how long the still stays on screen.
3. Pick Background Color and Quality Preset: Background Color (default Black) fills the letterbox bars when your photo's shape differs from the video frame. Leave Quality Preset on Very High (Recommended), or set a Video resolution preset to cap the output size. The Video Codec stays on H.265 for an HEVC file.
4. Convert and Download: Click "Convert" and download your HEVC. No sign-up, no watermark. The output is silent by design.

CRW Still vs HEVC Video — What Actually Changes

Frequently Asked Questions

Should I convert CRW to HEVC, or to JPG or MP4 instead?

For almost every purpose, JPG or MP4. A CRW is a legacy Canon RAW still and HEVC is a 2013 video codec, so this pairing mismatches twice — still-into-video and oldest-Canon-RAW-into-modern-codec — and a single frame gains nothing from HEVC's compression. If you want to view, print, or share the photo, convert CRW to JPG. If you need the photo as a playable clip, CRW to MP4 wraps H.264 in a container that phones, browsers, and editors accept — whereas a bare .hevc file is a raw stream most of them refuse. Choose HEVC only when a specific H.265 pipeline expects the raw .hevc extension.

What is CRW, and why is it Canon's oldest RAW format?

CRW is Canon's first-generation RAW format, built on the CIFF (Camera Image File Format) container rather than the TIFF base that later Canon RAWs use; Canon published the CIFF specification in 1997. Cameras like the EOS D30, D60, 10D, and 300D (Digital Rebel), plus PowerShot models such as the G1–G6 and S30–S70, wrote CRW from roughly 2000 to 2004. Canon then replaced CRW with the TIFF-based CR2 (around the EOS 20D and 350D), and replaced CR2 with the QuickTime-based CR3 in 2018 — which makes CRW the oldest and most legacy of Canon's RAW formats. That age is exactly why an ordinary photo viewer cannot open it and a conversion is needed.

Why is my CRW-to-HEVC file silent, and does it move?

Neither — by design. A CRW is one still photograph with no sound to encode, so the converter detects an image source, hides the audio codec, and writes a video-only file. And because a single still has no motion, a one-file conversion produces a freeze-frame: the rendered image held on screen for the Image Duration you set, with no panning or movement. To build a moving sequence you need several CRWs combined with the Merge images option; one file can only ever become one static frame.

Why won't my .hevc file play in a browser or normal media player?

Because a bare .hevc (or .h265) is a raw H.265 elementary stream — the naked compressed bitstream with no container around it, so it lacks the timing and index metadata that players such as QuickTime, Windows Media Player, and web browsers need. That is a property of the raw HEVC format, not a fault in the file. If you need something that plays widely, convert CRW to MP4, which wraps the video in a standard container every device understands.

Will I lose image quality going from a RAW CRW to HEVC?

Yes, and it is inherent to the conversion rather than a tool flaw. A CRW holds unprocessed sensor data (commonly 12-bit) that must be demosaiced to become viewable; that render bakes in white balance, exposure, and tone, locking away the latitude that is the whole point of shooting RAW. An 8–12 MP CRW is then scaled down to a video frame — even that modest pixel count exceeds a standard HD frame, so resolution is discarded too. HEVC encodes about 50% more efficiently than H.264 at the same quality, but for a single still that efficiency saves little. Keep the original CRW as your master; treat the HEVC as a delivery copy, not an archive. In our testing, an 8-megapixel CRW from an early Canon DSLR at the Very High preset produced a short, silent .hevc stream that opened in VLC but was rejected by QuickTime and Chrome until it was remuxed into an MP4 container.

What happens to my uploaded CRW file after conversion?

Your file is uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after the conversion — no sign-up, no watermark, never shared or made public. In practice the limit you will hit first is upload time rather than a hard cap; early-Canon CRW files are typically only a few megabytes each, so they move quickly even in batches.