100x100 SQRL Logo   Secure Quick Reliable Login
A highly secure, comprehensive, easy-to-use replacement
for usernames, passwords, reminders, one-time-code
authenticators . . . and everything else.

Click the thumbnails below to download their PDFs:
SQRL Explained
(22 pages)
Downloaded 40,207 times.
Operating Details
(14 pages)
Downloaded 3,243 times.
(26 pages)
Downloaded 2,426 times.
On The Wire
(18 pages)
Downloaded 1,831 times.

This document set provides a complete description, technical overview and explanation of every feature of the SQRL system. Various SQRL clients and server components currently exist for Windows, Linux & macOS (with WINE), Android, iOS, Chrome, Firefox & Edge. And SQRL demo websites may be used to experiment with SQRL's operation and features.

The SQRL Forums are online and available to anyone who is curious to learn more, and GRC's v1.0 release of the reference SQRL client for Windows can be downloaded with the links below:

File stats for: SQRLfile download  freeware page
Last Updated:
Size: 278k
Jun 08, 2019 at 13:55
(179.73 days ago)
Downloads/day: 58
Total downloads: 9,916
Current Rank: 7
Historical Rank: 30
The SQRL Story” Presentation to OWASP, Dublin, Ireland:
The SQRL Story” Presentation to OWASP, Gothenburg, Sweden:

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