How it works
One letter, either case
Select lowercase or uppercase and generate a uniformly chosen ASCII letter. This tool uses the same cryptographic random source as the password tools, without contacting a service.
A single letter has only 26 possible values. It is useful for small choices and examples, not as a password or a statistical guarantee.
What happens to your input?
This tool does its work on this page. The site does not submit your entries or results or keep a history. However, any script allowed to run on the page could read its fields. Clearing the tool or leaving the page cannot erase clipboard entries, downloads, printouts, or screenshots. It also cannot protect you if your browser or device is compromised. Read the privacy limits.