Mar 12, 2018 · How short? And how unique? GUID is guaranteed to be unique if based on the hardware address of an ethernet adapter; anything produced purely mathematically can never be provably unique -- just probably unique (with an astronomically high probability).

Apr 7, 2022 · When generating HTML code, you often need a unique identifier. A GUID works fine but it is very long (3297F0F2-35D3-4231-919D-1CFCF4035975). You can shorten it but isn’t there a more optimized (faster) way to generate an identifier in …

Jun 29, 2012 · There he shows how to shorten a GUID to 20 printable characters, keeping the "uniqueness" of the GUID.

Nov 22, 2019 · You can also do equals comparison against the three types, Guid, string and ShortGuid like in the following example: Guid myGuid = new Guid ( "540c2d5f-a9ab-4414-bd36-9999f5388773" ) ; ShortGuid sguid = ( ShortGuid ) "Xy0MVKupFES9NpmZ9TiHcw" ; if ( sguid == myGuid ) // logic if guid and sguid are equal if ( sguid == "Xy0MVKupFES9NpmZ9TiHcw ...

Nov 14, 2011 · There is also am alternative library to convert Guid to a shorter 26-char text representation. Instead of Base64 encoding it uses Base32 dictionary, which is URL-safe and case-insensitive. var guid = Guid.NewGuid(); // b392ebf5-88d3-49b9-9ad8-1d4a73431787 var shorterGuid = guid.ToShorterString(); // yrpt5gynl2wonaqs3p5baksrkw

As of version 2.0.0, ShortGuid performs a sanity check when decoding strings to ensure they haven't been tampered with, i.e. allowing the end of a Base64 string to be tweaked where it still produces that same byte array to create the underlying Guid.

Mar 15, 2007 · The class encodes a GUID into a 22 character long string and decodes the string back to the original GUID again. That way you can save 10 characters from the original GUID and it is ASCII encoded so it will work perfectly in a URL as a query string or in ViewState.

A V4 GUID represented in the form of a short(er), base64-encoded, url-safe, string. With the option to replace version, and variant data for custom flags. By default .net's Guid.NewGuid(), creates a Version "4", and Variant "DCE 1.1, ISO/IEC 11578:1996" UUID.

Jan 14, 2014 · How to make a short URL friendly GUID in C# Been trying my own hack to make a short GUID for a web form submission, but hit issues with incompatible characters. Just before making more changes I came across this excellent blog and code to easily convert GUIDs to Short GUIDs and back.

May 22, 2009 · People wont type out a normal GUID, but no way they would type out FEx1sZbSD0ugmgMAF_RGHw either. This seems about as useful as Url-shorteners, and I honestly think the whole hype around Url-shorteners is getting pretty silly already. Agreed* Personally, I like to keep these type of non-search-engine-friendly pieces of text OUT of my urls.