Long-form, original writing from the G4GAME engineering team on the topics behind our tools: how JSON breaks, what a JWT really contains, what makes a password strong, and which UUID version belongs in your database. No fluff, no reprints.
Most 'free online formatter' sites post your data to a backend. This guide explains the real exposure that creates, and shows you how to verify — in about thirty seconds — whether a tool actually runs in your browser.
Read guide →Ninety percent of JSON problems come from six recurring mistakes. Here they are, with the exact parser messages they produce and the fastest way to locate each one.
Read guide →A JWT is signed, not encrypted. Anyone holding it can read every claim inside. This guide covers the anatomy, the claims worth checking, and the mistakes that turn a token into an incident.
Read guide →The classic advice — one uppercase, one digit, one symbol — optimises for the wrong thing. What actually defeats an attacker is unpredictability, and the cheapest source of unpredictability is length.
Read guide →Most teams reach for UUID v4 by reflex. That is usually fine, occasionally a performance mistake, and sometimes the wrong tool — here is how to tell which case you are in.
Read guide →