Converting to base 64 will give you short, readable, reversible values. 

use Math::BaseCnv;

print cnv( 4345317546, 10, 64 );
4304Yg

print cnv( '4304Yg', 64, 10 );
4345317546

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"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail
"Memory, processor, disk in that order on the hardware side. Algorithm, algorithm, algorithm on the code side." - tachyon

In reply to Re: Shorter ID Codes by BrowserUk
in thread Shorter ID Codes by Micz

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