Lossless GIF recompression via exhaustive search

▤ Summary

This article explores how to recompress GIF images more efficiently by exhaustively searching LZW compression possibilities. It compares a flexible greedy approach with a slower but more optimal search method and explains why the author built a custom tool called ZGIF. The piece also contrasts GIF optimization with PNG/Zopfli-style compression and discusses compatibility needs for very old browsers. The main outcome is a practical experiment in software engineering and compression performance, not a company announcement.

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