Convert HEIC images to CR3 online with ImageHQ.
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Fast async jobs
No install required
Temporary files
Batch uploads
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.heic
cr3
/v1/convert
Submit files to /v1/convert, poll the job endpoint, then download outputs programmatically.
CR3 does not support alpha transparency. Transparent HEIC areas must be flattened onto a background color.
Animated, sequence, or multipage inputs need explicit frame/page handling.
Converting HEIC to CR3 decodes the source image and writes a CR3 output. Use this route when CR3 is a better fit for compatibility, file size, editing, or delivery.
Quality behavior depends on CR3 compression: depends.
Choose conversion targets based on CR3 compression, transparency, animation, metadata, and compatibility requirements.
Known metadata support: Exif, XMP, HEIF item properties, thumbnails, derived images.
Raw converter support depends on camera model and decoder version.
ISO - standards_body
Nokia Technologies - developer_documentation
Apple Support - official_vendor_doc
LibRaw - library_documentation
Adobe Help Center - official_vendor_doc