For decoding lightning network payment requests as defined in BOLT #11.
Go to https://lndecode.com/, enter a Lightning Payment Request string into the text box, and push the Decode button to see the result.
Example request string:
lnbc2500u1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdq5xysxxatsyp3k7enxv4jsxqzpuaztrnwngzn3kdzw5hydlzf03qdgm2hdq27cqv3agm2awhz5se903vruatfhq77w3ls4evs3ch9zw97j25emudupq63nyw24cg27h2rspfj9srp
Or you can add the request string to the URL as a parameter.
Example: