This demonstration uses AJAX and PHP. It uses three files, index.php and stringHash.php and fileHash.php which you can download by clicking on the links. Open the files with a proper text editor like Notepad++ or Brackets so you can see how they work. MrM
String checksum
Type in the box below and the MD5, SHA1, SHA256 and SHA512 checksum values will appear in the panel below the status message.
Waiting ...
Checksum values will appear here!
File checksum
Choose a file to upload using the button. You can only upload text files up to 1024 characters / bytes in size. The MD5, SHA1, SHA256 and SHA512 checksum values will appear in the panel below the status message.