Privacy policy

Last updated November 9, 2026.

A rain-wet playground court behind a chain-link fence, with an elevated train line to the left
A fenced playground court, Queens

Files you check

The SHA-256 checker runs entirely in your browser with the WebCrypto API. The file you drop is read locally and is never uploaded or stored; only the resulting hash is compared with a list built into the page.

Analytics

The site uses Google Analytics 4 to count visits and see which pages are useful. It collects data such as pages viewed, approximate location, device and referrer, and sets cookies for that purpose. See Google’s privacy policy for how Google processes this data.

Advertising

Content pages may show ads served by Adsterra and its partners, who may use cookies or similar technologies to measure and select ads. The About, Contact, Privacy and Terms pages carry no ads.

Amazon Associates

As an Amazon Associate, this site earns from qualifying purchases. Links to Amazon, such as the DualSense, Xbox Wireless Controller, 8BitDo Ultimate 2 Wireless and GameSir Cyclone 2 links on the requirements, controller and Android pages, carry the affiliate tag kinmocode-20. If you buy after following one, Amazon may set cookies and pay this site a commission at no extra cost to you. Amazon’s own privacy notice applies on its site.

Email

If you write to [email protected], the message is used only to answer you.

Your choices

You can block or delete cookies in your browser and use ad or tracking blockers; the site keeps working without them.

A lit subway train crossing an overpass above a street at night in the Bronx
Morris Park, the Bronx, at night
The Brooklyn Bridge lit up at night, seen from the water’s edge with old pier posts in front
The Brooklyn Bridge at night
Two boxers sparring in a ring inside a gym while coaches and fighters watch
Sparring in a boxing ring