Generate passwords securely:
https://passwordsgenerator.net

search:
https://www.startpage.com/do/search?q=automated+password+generator+online

Linux command-line program pwgen
man pwgen #more information

pwgen 20 10 -1B

20 characters per password
10 passwords
1 one password per line
B do not use  characters that could be confused by the user when printed, such as 'l' and '1', or '0' or 'O'.
---
A do not bother to include any capital letters in the generated passwords.

# # #

Check generated passwords strenght:
https://howsecureismypassword.net