I also work this way a lot; in fact, it's probably the majority of my non-VCS-related diff tool use at work. It's very common for me to have data only on the cl

I also work this way a lot; in fact, it's probably the majority of my non-VCS-related diff tool use at work. It's very common for me to have data only on the clipboard: watch window output, TTY output, similar-looking snippets posted in Slack, that sort of thing. I use Araxis Merge at work, and Meld at home, both of which can work this way. (Araxis is much better, but I can't justify the cost personally. Meld is fine, just a bit slow.)