Image Conversion
Convert CR3 to HEIC Online — Free
Fast, free CR3 to HEIC converter. No registration required.
またはインポート元
200万以上のファイル変換
数千人のユーザーに信頼されています
安全な転送
HTTPS暗号化アップロード
プライバシー優先
処理後にファイルを自動削除
登録不要
すぐに変換を開始
どこでも動作
あらゆるブラウザ、あらゆるデバイス
変換方法
1
Upload your .cr3 file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .heic file when it's ready.
CR3とは？
CR3 is Canon's latest RAW image format used in modern mirrorless and DSLR cameras. It uses the ISO Base Media File Format for better metadata and compression.
形式の詳細
- 正式名称
- Canon RAW 3
- 拡張子
- .cr3
主な特徴
- Canon mirrorless
- Modern RAW
- C-RAW compression
- HDR PQ support
HEICとは？
HEIC is Apple's image format used by iPhones and iPads. It offers better compression than JPG while maintaining high quality, but has limited compatibility.
形式の詳細
- 正式名称
- High Efficiency Image Container
- 拡張子
- .heic
主な特徴
- Apple native
- Better than JPG
- Small file sizes
- HDR support
CR3とHEICの比較
| 特徴 | CR3 | HEIC |
|---|---|---|
| 正式名称 | Canon RAW 3 | High Efficiency Image Container |
| 拡張子 | .cr3 | .heic |
| 最適な用途 | Canon mirrorless | Apple native |
よくある質問
Converting between lossless formats (PNG, BMP, TIFF) preserves perfect quality. For lossy formats like JPG and WebP, you can adjust the quality slider to control compression. Default settings prioritize visual quality.
Transparency is preserved when converting to formats that support it (PNG, WebP, TIFF, GIF). If the target format doesn't support transparency, a white background is applied.
Yes. Upload your HEIC files and convert to JPG, PNG, or WebP instantly. Perfect for making iPhone photos compatible with any device or platform.
No resolution limit. We handle images of any size — from small icons to high-resolution photos and print-ready images.
Pro users can batch convert multiple images at once. Free users can convert one image at a time. All conversions are processed on our servers, so even large files convert quickly.