Image Conversion
Convert PNG to DNG Online — Free
Fast, free PNG to DNG 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 .png 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 .dng file when it's ready.
PNGとは？
PNG is a lossless image format that supports transparency. It's ideal for graphics, logos, and images requiring sharp edges or transparent backgrounds.
形式の詳細
- 正式名称
- Portable Network Graphics
- 拡張子
- .png
主な特徴
- Lossless quality
- Transparency support
- Sharp edges
- Web optimized
DNGとは？
DNG is Adobe's universal RAW format. It provides a standardized way to store RAW data that's not tied to any specific camera manufacturer.
形式の詳細
- 正式名称
- Digital Negative
- 拡張子
- .dng
主な特徴
- Universal RAW
- Adobe standard
- Long-term archival
- Open format
PNGとDNGの比較
| 特徴 | PNG | DNG |
|---|---|---|
| 正式名称 | Portable Network Graphics | Digital Negative |
| 拡張子 | .png | .dng |
| 最適な用途 | Lossless quality | Universal RAW |
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.