Bulk RAS to DDS Converter Online — Free HD Quality

Drag and drop your multiple RAS files into this free online RAS to DDS converter (.ras to .dds), and click the Convert button to bulk convert them to DDS format in HD quality. Use the quality slider to fine-tune your DDS output, then download your converted files one by one or as a single ZIP — your original RAS files are removed from our servers right after.

To:
85%

Drop images here or click to browse

PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more

Max 100MB per file

RAS vs DDS — File Format Comparison

Feature RAS DDS
File Extension .ras .dds
MIME Type image/x-sun-raster image/vnd.ms-dds
Compression Type Lossless Lossy & Lossless
Transparency Support No Yes
Animation Support No No
Metadata Support Yes Yes

What Is RAS Format?

Sun Raster format for Unix systems.

  • Compression: Lossless
  • Transparency: Not supported
  • Animation: Not supported

What Is DDS Format?

DirectDraw Surface format for game textures.

  • Compression: Lossy & Lossless
  • Transparency: Supported
  • Animation: Not supported