LZW

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File Format
Name LZW
Ontology
PRONOM x-cmp/12
File Formats > Electronic File Formats > Compression > LZW

LZW (Lempel-Ziv-Welch )is a widely used lossless compression algorithm used primarily for images. It is the compression scheme used in GIF and is frequently used in TIFF images. Developed by Terry Welch in 1984. All patents on the LZW algorithm worldwide have expired.

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