Image Conversion
Convert BMP to ORF Online — Free
Fast, free BMP to ORF 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 .bmp 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 .orf file when it's ready.
BMPとは？
BMP is a simple, uncompressed image format native to Windows. It provides perfect quality but results in very large file sizes.
形式の詳細
- 正式名称
- Bitmap Image
- 拡張子
- .bmp
主な特徴
- Uncompressed
- Windows native
- Perfect quality
- Simple format
ORFとは？
ORF is the RAW image format used by Olympus (now OM System) cameras. It stores unprocessed sensor data for full creative control in post-processing.
形式の詳細
- 正式名称
- Olympus RAW Format
- 拡張子
- .orf
主な特徴
- Olympus cameras
- Full sensor data
- RAW quality
- Post-processing
BMPとORFの比較
| 特徴 | BMP | ORF |
|---|---|---|
| 正式名称 | Bitmap Image | Olympus RAW Format |
| 拡張子 | .bmp | .orf |
| 最適な用途 | Uncompressed | Olympus cameras |
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.