PPM to DXT5

Convert PPM to DXT5 (Fast & Free)

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How to convert PPM to DXT5 ?

  1. Select PPM files you want to convert, from your computer or drag and drop it on the page.
  2. Press the "Convert" button in order to convert PPM to DXT5.
  3. When the conversion is completed, click "Download" on the desired converted DXT5 file.

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PPM to DXT5

Useful information about PPM

Extension: PPM
Name: Portable Pixmap Format
Mime Type: image/x-portable-pixmap
Converter: PPM Converter
Description: The PPM format is a lowest common denominator color image file format. It should be noted that this format is egregiously inefficient. It is highly redundant, while containing a lot of information that the human eye can't even discern. Furthermore, the format allows very little information about the image besides basic color, which means you may have to couple a file in this format with other independent information to get any decent use out of it. However, it is very easy to write and analyze programs to process this format, and that is the point. - Source

Useful information about DXT5

Extension: DXT5
Name: S3 Texture Compression - Dxt5
Mime Type: image/dxt
Converter: DXT5 Converter
Description: The DXT5 format is an alternate RGBA format. As in the DXT3 case, each 4x4 block takes up 128 bits. So it provides the same 4:1 compression as in the DXT3 case. Just as for the DXT3 format, there are two 64-bit chunks of data per block: an RGB chunk compressed as for DXT1 (with the same caveat as for DXT3), and an alpha chunk. Again the second chunk is the color chunk; the first is the alpha. Where DXT3 and DXT5 differ is how the alpha chunk is compressed. DXT5 compresses the alpha using a compression scheme similar to DXT1. The alpha data is stored as 2 8-bit alpha values, alpha0 and alpha1, followed by a 48-bit unsigned integer that describes how to combine these two reference alpha values to achieve the final alpha value. The 48-bit integer is also stored in little-endian order. The 48-bit unsigned integer contains 3-bit codes that describe how to compute the final alpha value. These codes are stored in the identical order as the codes in DXT1; they simply are 3 bits in size rather than 2. - Source