An independent controller diagnostic platform, built by gamers.
GPADLAB is a browser-based diagnostic and review platform for game controllers. Its tools expose browser-observed controller behavior, while reviews combine disclosed testing, product research, and cited evidence where available. This page explains why the project started, how the scoring system is defined, and what we owe you as a reader.
A broken controller. No good tools. So we built one.
GPADLAB started with a simple frustration: a controller with a stick that had physically fallen off during a match, and no easy way to figure out what was actually wrong with it. The tools that came up in searches were either confusing, buried under ads, or only tested a few inputs and called it a day.
So we built our own. What began as a small button-testing tool for personal use slowly grew into a full project - a complete diagnostic platform, honest hardware reviews, device-specific troubleshooting, and a growing glossary to help other gamers understand what's actually inside their controllers before they spend money on new ones.
GPADLAB is a father-and-son project, still built in spare time. Every feature we add starts the same way: a real problem one of us hit while gaming, and a decision that somebody else out there probably hit the same wall and deserved a better answer.
Editorial principles, in plain English
These aren't corporate values on a wall. They're the actual rules we hold ourselves to when writing every review.
Disclosed testing & evidence
When a review includes hands-on testing, we state the test period and identify GPADLAB measurements as our own. Reviews may also use manufacturer documentation, teardowns, and named third-party measurements; those sources should be distinguished from our own observations rather than presented as if every number came from the same lab run.
Affiliate separation
GPADLAB does not currently earn affiliate commissions. If compensated relationships are introduced later, they will be disclosed and will not determine star ratings, tier placements, rankings, or editorial verdicts.
Honest hardware truths
Most affiliate-focused sites bury the uncomfortable facts - potentiometer sticks in premium controllers, QC failures on flagship models, licensing costs that inflate MSRP. We lead with those facts, because you deserve to know before you buy.
Transparent methodology
We publish full methodology articles for the tests we have formally documented and concise implementation notes on other tool pages. Dedicated methodology coverage is still expanding, and browser limitations are stated where they materially affect what a result can prove.
Based in Karachi, Pakistan. Serving gamers globally.
GPADLAB is an independent project - no venture funding, no publisher parent company, no undisclosed relationships with hardware brands. Our tools run entirely in your browser and work on any controller, any platform, anywhere in the world.
Read the receipts
Every editorial claim on this site is grounded in something you can read. Start here.