Convert Sony Raw Format (.srf) to Portable Network Graphics (.png) online for free. Fast, secure image conversion with no watermarks or registration.
Upload your .srf 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.
PNG provides lossless compression that perfectly preserves the distinctive output of Sony's first-generation digital cameras. The CCD sensors in the DSC-F707, DSC-F717, and DSC-V1 produced a warm, film-like rendering through Carl Zeiss Vario-Sonnar T* lenses. PNG captures this character with mathematical precision at file sizes significantly smaller than uncompressed BMP.
As SRF format support becomes increasingly rare, PNG conversion creates permanent, pixel-perfect archives of these photographs in a format with universal support and guaranteed longevity. The lossless quality ensures no CCD character is lost in translation.
PNG combines lossless quality with efficient compression and universal platform support. For SRF archives at high risk of format obsolescence, PNG provides the best preservation balance: perfect quality, practical file sizes (40-60% smaller than BMP), and compatibility with every modern platform.
The distinctive CCD rendering of Sony's earliest cameras — smooth gradients, warm saturation, film-like tonal transitions — is preserved exactly in PNG. Unlike JPEG, no compression artifacts are introduced, maintaining the sensor's full character for future appreciation.
The conversion reads the SRF container, extracts the CCD Bayer data, applies Sony's early color matrix and white balance, then encodes with PNG's DEFLATE lossless compression. 8-bit or 16-bit depth is available. A 5 MP DSC-F717 at 8-bit produces PNG files of approximately 6-9 MB (vs 14 MB uncompressed BMP). ICC profiles can be embedded for color management.
PNG is mathematically lossless. Every pixel from the demosaiced CCD output is preserved exactly. The warm, film-like quality of Sony's early CCD sensors — the smooth tonal transitions, saturated colors, and gentle highlight roll-off — is maintained with absolute precision. For the 5-8 MP resolution range, PNG files are compact and practical.
| Device | SRF | PNG |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Native |
| iPhone/iPad | Partial | Native |
| Android | Partial | Native |
| Linux | Partial | Native |
| Web Browser | No |
SRF to PNG is the ideal lossless preservation format for Sony's first-generation camera archives. It captures the distinctive CCD character perfectly in a universally supported, efficiently compressed format.
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 | SRF | PNG |
|---|---|---|
| 正式名称 | Sony RAW (Cyber-shot) | Portable Network Graphics |
| 拡張子 | .srf | .png |
| 最適な用途 | Sony Cyber-shot | Lossless quality |