Efficient by design using background worker threads to offload all calculations leaving the browser and other tabs responsive.

Some relevant links:
Wikipedia - https://en.wikipedia.org/wiki/Cryptographic_hash_function
OpenSSL - https://www.openssl.org/docs/man1.1.0/apps/dgst.html
Microsoft File Checksum Integrity Verifier - https://www.microsoft.com/en-us/download/details.aspx?id=11533
Apple Mac Computer, Checking an MD5 Checksum on - http://www.resourcesforlife.com/docs/item1428

Install

• License: Mozilla Public License 2.0
• Weekly downloads: 7
• Average daily users: 384
• Rating: 4/5 of 10 ratings
• Created: 2015-08-26 03:08:20
• Last updated: 2018-06-27 06:20:07
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/calculate-md5-sha1-hash-che-1/
• API: @calculatehashchecksum