Bulk FITS to DDS Converter Online — Free HD Quality

Drag and drop your multiple FITS files into this free online FITS to DDS converter (.fits 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 FITS 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

FITS vs DDS — File Format Comparison

Feature FITS DDS
File Extension .fits .dds
MIME Type image/fits image/vnd.ms-dds
Compression Type Lossless Lossy & Lossless
Transparency Support No Yes
Animation Support No No
Metadata Support Yes Yes

What Is FITS Format?

Flexible Image Transport System for astronomical data.

  • 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