Plain English. Last updated September 16, 2026.
Jigawatt Tools is a set of free browser tools. You do not create an account.
The sleep calculator, word counter, excuse generator, and energy estimator run in your browser. We do not need those inputs on a server.
The self-destruct note v1 stores the message in the link on your device. Do not put highly sensitive secrets in a URL.
This site may show advertising from third parties (for example Adsterra, Monetag, or Google AdSense). Those networks may use cookies or similar tech to serve and measure ads. You can block cookies in your browser.
Hosting is on Cloudflare. Cloudflare may process standard request logs (IP, browser, page path) to run the site and stop abuse.
We do not sell your personal information. Questions: use the email on your ad-network publisher account or the domain contact you add later.