Convert Camera RAW Image (.raw) to Portable Network Graphics (.png) online for free. Fast, secure image conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .raw file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .png file when it's ready.
RAW to PNG converts camera sensor data into the Portable Network Graphics format — a lossless image format that preserves every pixel of the decoded RAW image without any compression artifacts. PNG was designed as the patent-free replacement for GIF and supports full 24-bit color (16.7 million colors), 8-bit alpha transparency, and gamma correction. It is the standard format for screenshots, web graphics, and any image where lossless quality matters.
Our converter uses Sharp to decode the RAW Bayer pattern data, apply demosaicing and tone mapping, then compress the result using PNG's DEFLATE algorithm — lossless compression that typically achieves 30-50% size reduction compared to raw pixel data.
PNG preserves the full quality of the decoded RAW image with no lossy compression. Every pixel, every color value is stored exactly as decoded from the sensor. This makes PNG ideal for photography when you need to preserve maximum detail for further editing, compositing, or printing. PNG's transparency support also enables cutout photography (product shots, headshots) with clean alpha channel edges. Web designers and graphic artists rely on PNG for images that must not show compression artifacts.
Sharp decodes the RAW sensor data via Bayer demosaicing, white balance, and gamma correction. The full-color image is compressed using PNG's DEFLATE algorithm (zlib) at configurable compression levels (1-9). Level 6 is the default, balancing speed and size. PNG stores pixels in 24-bit RGB (no transparency) or 32-bit RGBA (with alpha channel). Interlacing (Adam7) can be enabled for progressive web loading. PNG supports sRGB, ICC profile embedding, and text chunks for metadata.
Lossless. PNG compression is entropy-based — it reduces file size by finding patterns in the pixel data, but no information is discarded. The decoded RAW image is preserved with absolute fidelity. File sizes are larger than JPEG (typically 3-5x for photographic content) but smaller than uncompressed BMP or TIFF.
| Device | RAW | PNG |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Native |
| iPhone/iPad | Partial | Native |
| Android | Partial | Native |
| Linux | Partial | Native |
| Web Browser | No |
RAW to PNG produces lossless, web-compatible images from camera sensor data. When quality preservation and optional transparency are more important than file size, PNG is the right choice.
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
| Native |
| 特徴 | RAW | PNG |
|---|---|---|
| 正式名称 | Camera RAW Image | Portable Network Graphics |
| 拡張子 | .raw | .png |
| 最適な用途 | Unprocessed data | Lossless quality |