A ShareX preset with your key already in it. The defaults work as they are; change anything below before you download.
imageserver.pw.sxcu downloaded
Double-click it: ShareX imports it and offers to make it your uploader. Then press your capture hotkey.
Sign in and your key is filled in for you
Every account comes with an upload key. Without one, ShareX's uploads are turned away.
Anyone with this key, or with a preset that contains it, can upload as you. Keep both out of screenshots and chats; if one leaks, regenerate the key in your dashboard.
Paste your key first. A preset without one is refused by the server.
All optional. The preview shows what ends up in the file.
How a link looks when a chat app shows a preview of it.
Default is whichever domain the server is set to, Own uses your verified ones, and a category picks at random from that group.
The key is shortened here; the download and Copy JSON contain all of it.
Rather import by hand? In ShareX, open Destinations › Custom uploader settings › Import and choose the file, or Copy JSON and pick From clipboard. Full guide and troubleshooting
A second preset for ShareX's URL shortener, using the same key and domain choice. Read the docs