LeetCoder allows you to show your current progress and also to choose a random problem. You can customize your Author information and the template of your answer.

LeetCoder is an open source project, the source code is available on GitHub, the detailed instructions for installing it on a mobile device can be found on the LeetCode wiki.

To show your current progress, the LeetCoder extension displays a graph that shows the number of your Attempted/Solved/Todo problems. You can switch on/off the "Premium" toggle to include/exclude premium problems in your stats. To avoid spoilers, LeetCoder displays the amount of remaining attempts only for Premium users.

To choose a random problem, LeetCoder has two options:

You can choose to pick a problem by difficulty (Easy/Medium/Hard).

You can also choose to pick a random problem.

LeetCoder also has some helpful buttons:

It allows you to copy problems from the popup to a clipboard.

It allows you to copy questions/answers/testcases.