Pastebin is a website that allows people to share blocks of text easily. So, let's say you wrote a really long message or a computer code and you want to share it with somebody. Instead of trying to email it or send it through a messaging app, you can copy and paste the whole thing into pastebin.
Then, you can generate a link to your text that you can send to your friend or post on a forum or other websites. This way, your friend or anyone who clicks on the link can see your message or code without you having to copy and paste it again.
Pastebin also has a few features that make sharing text even easier. You can choose to make your text "public," which means that it will be visible to anyone who has the link. Or, you can make it "private," which means only people who have the link can see it.
Some people also use pastebin to anonymously share sensitive documents, notes or other text they don't want to keep on their own computer. Pastebin is also used by developers who want to share a code snippet publicly or privately with someone else.