JPM to DXT1

Convert JPM to DXT1 (Fast & Free)

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How to convert JPM to DXT1 ?

  1. Select JPM 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 JPM to DXT1.
  3. When the conversion is completed, click "Download" on the desired converted DXT1 file.

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JPM to DXT1

Useful information about JPM

Extension: JPM
Name: JPM File Format
Mime Type: image/jpm
Converter: JPM Converter
Description: The JPM file format is defined by ISO/IEC 15444-6:2003 – the JPEG 2000 image coding system – Part 6: Compound image file format. A compound image may contain scanned images, synthetic images or both, requiring a mix of continuous tone and bi-level compression methods. The JPM file format defines a composition model that describes the method of combining multiple images to generate a compound image using the multi-layer Mixed Raster Content (MRC) imaging model, defined in ITU-T T.44 | ISO/IEC 16485. - Source

Useful information about DXT1

Extension: DXT1
Name: S3 Texture Compression - Dxt1
Mime Type: image/dxt
Converter: DXT1 Converter
Description: A DXT1 compressed image is an RGB image format. As such, the alpha of any color is assumed to be 1. Each 4x4 block takes up 64-bits of data, so compared to a 24-bit RGB format, it provides 6:1 compression. You can get a DXT1 image by using the as the internal format of the image. Each 4x4 block stores color data as follows. There are 2 16-bit color values, color0 followed by color1. Following this is a 32-bit unsigned integer containing values that describe how the two colors are combined to determine the color for a given pixel. The 2 16-bit color values are stored in little-endian format, so the low byte of the 16-bit color comes first in each case. The color values are stored in RGB order (from high bit to low bit) in 5_6_5 bits. The 32-bit unsigned integer is also stored in little-endian format. Every 2 bits of the integer represent a pixel; the 2 bits are a code that defines how to combine color0 and color1 to produce the color of that pixel. In order from highest bit to lowest bit (after the little-endian conversion), the pixels are stored in row-major order. Every 8 bits, 4 2-bit codes, is a single row of the image. - Source