Age calculators, countdowns, world clocks, gestational trackers, and embeddable widgets — all free, no sign-up needed.
Free calculators for age, gestational age, countdown, historical events, and more.
Precise date math — differences, additions, weekday lookups, and more.
Live time in major cities worldwide. Clocks update every second.
Build a personal countdown to any event. Share the link or embed it on your website.
Generate embeddable clock or date widgets for your blog or website — free, no sign-up required.
Last updated: January 1, 2025
Welcome to Chronos Tools ("we", "us", or "our"), accessible at chronostools.com. This Privacy Policy explains how we handle your information when you use our free date and time tools.
We do not require registration or collect personal information such as names, email addresses, or passwords. All tools run entirely in your browser. Dates and inputs you enter are never sent to our servers.
We use Google AdSense to display advertisements. Google may use cookies to show you relevant ads based on your browsing history. You can opt out at google.com/settings/ads. We use Google Analytics to understand aggregate traffic patterns (pages visited, device type, country). This data is anonymous and not linked to any individual.
Our site uses Google Fonts (loaded from Google servers) and Google AdSense/Analytics. These third-party services have their own privacy policies. We encourage you to review Google's Privacy Policy.
Since we do not collect personal data, there is no personal data to secure or breach. All calculations happen locally in your browser.
Chronos Tools does not knowingly collect information from children under 13. Our tools are general-purpose date calculators suitable for all ages.
We may update this policy from time to time. Changes will be posted on this page with an updated date.
Questions about this policy? Email us at hello@chronostools.com.
Free, fast, and built for everyone.
Chronos Tools is a free suite of date and time utilities designed to help people quickly answer everyday time-related questions.
We noticed that most date calculators online are cluttered, slow, or require sign-ups. So we built Chronos Tools — a clean, fast, single-page app with everything you need in one place:
Have a suggestion, found a bug, or want to say hello? We'd love to hear from you — visit our Contact page or email us directly at hello@chronostools.com.
We read every message. Usually respond within 1–2 business days.
Response time: We aim to respond within 1–2 business days.
Advertising inquiries: For ad placements or partnerships, email us with subject "Advertising".
Privacy: We only use your email to reply to your message. We never share it.