Sublime Text 3 (and 2) plugin uploads code to JsonBlob.com directly from the editor, with the correct syntax highlighting. This only is for json so that json can be formatted correctly
Use shortcuts or commands in the command prompt (prefix SendToJsonBlob).
ctrl+alt+y: copy the current selection in jsobblob.com. The resulting Url will be copied to your clipboard
Install through package control or clone this repo in your Sublime Packages/ folder with the name SendToJsonBlob