Three cubicles away, a senior developer named Mira was also awake. She wasn't debugging; she was hunting. A competitor had just launched a feature eerily similar to her team’s proprietary image-rendering engine. The logic flows were identical—even the bizarre, one-off edge case she’d added for a client in Oslo.

The website, JavaDecompiler.online , still exists. And people still use it. Because in an emergency at 2:00 AM, when a strange exception is burning a hole in your logs, nothing beats the magic of dragging a file into a browser and watching Java bytecode turn back into poetry.

She realized what had happened. Someone at the competitor had received a leaked nightly build of their product. They’d dragged the .class file into the free online decompiler, and the website—which promised “privacy-first”—had logged everything. The source code was now effectively public.

Leo dragged the offending PaymentProcessor.class file from his target directory into the browser window.

Her stomach turned cold.