Hashids generates short, unique, non-sequential ids from numbers. http://hashids.org/

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MIT licensed by Johannes Hildén
Maintained by [email protected]

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This is a Haskell port of the Hashids library. It is typically used to encode numbers to a format suitable to appear in visible places like urls. It converts numbers like 347 into strings like yr8, or a list of numbers like [27, 986] into 3kTMd. You can also decode those ids back. This is useful in bundling several parameters into one.