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PCT
Paintbrush Picture File
PCT is a file extension for a Paintbrush Picture File, a bitmap image format used by MacPaint and other applications.
Main usage
PCT files are used for storing bitmap images, such as drawings, diagrams, and logos. They are commonly used for web graphics and desktop publishing.
- Compressed
- Lossless
- Bitmap
Main features
SIX
JPEG 2000
JPEG 2000 (JP2) is an image compression standard and coding system. It was created by the Joint Photographic Experts Group committee in 2000 with the intention of superseding their original discrete cosine transform-based JPEG standard (created in 1992) with a newly designed, wavelet-based method.
Main usage
JPEG 2000 is commonly used for digital image archiving and for the transmission and storage of medical images, such as X-rays and ultrasounds.
- Lossless and lossy compression
- High compression ratios
- High image quality
- Support for transparency and alpha channels
- Support for multiple resolutions