Convert BMP to DDS offline
Convert local BMP files to DDS files offline by JavaScript in your web browser without any software downloads or file uploads!
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How to convert BMP to DDS offline
Choose local BMP image files, choose "DDS" as target image format, then click the "CONVERT OFFLINE" button to start offline conversions in bulk. File size can be up to 2GB.
This offline converter will try to use canvas in web browser to convert images first. The image format depends on whether your current web browser supports. For example: the latest Chrome browser supports AVIF images while some old versions don't. Then the offline converter will try to use JavaScript to convert images if your current web browser doesn't support the image format. Use online converter instead if this offline converter doesn't work in your web browser.
| Name | BMP | DDS |
| Full name | Microsoft Windows Bitmap | Microsoft Direct Draw Surface |
| File extension | .bmp, .dib | .dds |
| MIME | image/bmp, image/x-bmp | image/vnd.ms-dds |
| Developed by | Microsoft | Microsoft |
| Type of format | Raster graphics | Texture files |
| Introduction | The BMP file format, also known as bitmap image file or device independent bitmap (DIB) file format or simply a bitmap, is a raster graphics image file format used to store bitmap digital images, independently of the display device, especially on Microsoft Windows and OS/2 operating systems. | The DirectDraw Surface container file format (uses the filename extension DDS), is a Microsoft format for storing data compressed with the proprietary S3 Texture Compression (S3TC) algorithm, which can be decompressed in hardware by GPUs. |