Another excellent option, if you'd rather not have to use Chrome dev tools: https://github.com/mgood/flask-debugtoolbar https://github.com/mgood/flask-debugtoo

Another excellent option, if you'd rather not have to use Chrome dev tools: https://github.com/mgood/flask-debugtoolbar https://github.com/mgood/flask-debugtoolbar It will include a fixed positioned panel on your page including a bunch of server-side inspection, including request vars, environ variables, and logs. It works with Flask, and there's a version for Django as well.