Convert PSB to BMP via C#

.NET Photoshop API for PSD & PSB Conversion to raster images including BMP

High Quality Rendering of PSB as BMP

  1. Load the PSB with Image.Load method
  2. Create an instance of BmpOptions class
  3. Call Image.Save method
  4. Pass output filename and object of BmpOptions

Get Started with .NET Photoshop API

Install from command line as nuget install Aspose.PSD or via Package Manager Console of Visual Studio with Install-Package Aspose.PSD.

Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads .

.NET C# Code for PSB to BMP Conversion

PSB What is PSB File Format?

Adobe photoshop saves files in two formats. Files having 30,000 by 30,000 pixels in size are saved with PSD extension and files larger than PSD upto 300,000 by 300,000 pixels are saved with PSB extension known as “Photoshop Big”. More specifically, PSB files can be as large as 4 EB (over 4.2 billion GB) with images that have a height and width of up to 300,000 pixels. PSDs, on the other hand, can be at maximum upto 2 GB and image dimensions of 30,000 pixels.

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BMP What is BMP File Format?

Files having extension .BMP represent Bitmap Image files that are used to store bitmap digital images. These images are independent of graphics adapter and are also called device independent bitmap (DIB) file format. This independency serves the purpose of opening the file on multiple platforms such as Microsoft Windows and Mac. The BMP file format can store data as two-dimensional digital images  in both monochrome as well as color format with various colour depths.

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Other Conversion Options

PSB TO GIF (Graphical Interchange Format)
PSB TO JPEG (Joint Photographic Expert Group)
PSB TO JP2 (JPEG 2000 Core Image)
PSB TO PDF (Portable Document Format)
PSB TO PNG (Portable Network Graphic)
PSB TO PSD (Photoshop Document)
PSB TO TIFF (Tagged Image File Format)