Gerrit patch uploader
The gerrit patch uploader is a tool by Valhallasw which allows users with an account on this wiki (MediaWiki.org) to upload gerrit patches even without using the git commands explained in Gerrit/Tutorial.
Go to the uploader: https://tools.wmflabs.org/gerrit-patch-uploader/
Amending an uploaded patch
To upload an update to an existing patch, copy the Change-Id line from that changeset, and add it to the bottom of your commit message.
So if you want to add a new patch to https://gerrit.wikimedia.org/r/#/c/96693/, fill in the patch uploader as usual, but add the following text to the bottom of the commit message field: