[callmeed]

Very awesome. I use http://jsonviewer.stack.hu/ often but this looks much cleaner.

Do you plan to keep it up indefinitely or open-source it?

[tburch]

It's open sourced - https://github.com/tburch/jsonblob.

It's running on a single Heroku dyno with the free MongoHq service, so at some point I'll have to figure out what to do when there's more than 512MB of documents stored, but for now it's running indefinitely.