SR2 to PNG Converter

Sony RAW 2 (SR2) is an early raw file format used by Sony Cyber-shot cameras such as the DSC-R1, before Sony standardised on ARW. SR2 is derived from the TIFF specification and preserves the unprocessed sensor data plus the camera settings in force at the time of the shot, so the image can be developed later with full control over exposure and colour.

How to open an SR2 file?

Sony’s Imaging Edge Desktop handles Sony raw files, but for these older cameras Adobe Lightroom and Adobe Camera Raw tend to be the most dependable.

RawTherapee and darktable also read SR2, and XnView MP works for fast previews. Because SR2 is a discontinued format, converting older files to DNG is a practical way to keep them readable in the years ahead.

Developed by: Sony Corporation

Initial Release: 2005

Portable Network Graphics (PNG) is a raster-based file type that compresses images for portability. PNG images can have RGB or RGBA colors and support transparency, which makes them perfect for use in icons, or graphic designs. PNG also supports animations with better transparency (try our GIF to APNG). The benefits of using PNG are Plus, PNG is an open format that uses lossless compression. 

How to open a PNG file?

Generally, PNG files will open in your operating system’s default image viewer. PNG files are also easily viewable on all web browsers. If you are having trouble opening PNG files, use our PNG to JPG, PNG to WebP, or PNG to BMP converters.

Alternative programs such as GIMP or Adobe Photoshop are useful for opening and editing PNG files. PNG files are a bit larger than other file types, so exercise caution when adding them to a web page. One interesting feature of PNG files is the ability to create transparency in the image, particularly a transparent background. 

Developed by: PNG Development Group

Initial Release: 1 October 1996

Useful links: 

LifeWire article on PNGs

Wiki article on PNGs

Related PNG Tools: 

Use our Color Picker to pick colors from images