Frequently Asked Questions
Is Simple Time Tools free?
Yes, every tool on this site is completely free to use, with no sign-up or account required.
Is any of my data uploaded or stored?
No. All tools run entirely in your browser using JavaScript — nothing you enter is sent to a server or stored anywhere.
Does it work on mobile?
Yes, every tool is designed to work on phones, tablets, and desktop browsers.
Do I need to install anything?
No installation is needed — just open the page in any modern browser.
Why do I see ads on this site?
Ads (via Google AdSense) help cover hosting costs so the tools can stay free for everyone.
Can I suggest a new tool?
We're always looking for ideas for new time-related calculators and timers to add.