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Convert j2k to g4

  1. Download and install the latest version of Filestar.

  2. Right click on one or more J2k file(s) on your desktop and select Convert with Filestar.

  3. Type convert to g4 in the search box.

  4. Press Convert.
convert j2k to g4

What is the difference between .j2k and .g4?

Name
JPEG 2000 Image
Group 4 FAX
Extension
.j2k
.g4
Format
Binary
Binary
Category
Raster Image
Fax
Developer
Joint Photographic Experts Group
Computer Fax Systems (CFS)
Description
Compressed bitmap image that uses wavelet compression instead of the DCT compression used by standard .JPEG images; supports 16-bit color, alpha transparency, and lossless compression.
Group 4 (G4) used for black and white lossless compression to maintain high-quality images, commonly used in TIFF format compression by fax machines. A picture is seen as black dots and lines on a blank page; the fewer the dots and lines are, the lesser the file size.
MIME Type
image/jp2
image/g4fax
Sample
sample.j2k
Wikipedia
.j2k on Wikipedia

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