Online MD5 Checker is described as 'Create and verify the MD5/SHA1 checksum of almost any file or text online without uploading it, quickly and efficiently, no software installation required' and is an website. There are more than 10 alternatives to Online MD5 Checker, not only websites but also apps for a variety of platforms, including Windows, Linux, BSD and PortableApps.com apps. The best Online MD5 Checker alternative is CyberChef, which is both free and Open Source. Other great sites and apps similar to Online MD5 Checker are Hash-o-matic, Hash Checker, Md5Checker and RHash.