Privacy Policy
Last updated: June 2026
What we collect
Static tools (Plate Calculator, 1RM Calculator, etc.) run entirely in your browser. No data is sent to our servers.
AI tools send your form inputs to our server to call the Claude AI API. We log the following to prevent abuse and monitor costs:
- Your IP address
- A random browser fingerprint cookie (
ht_fp) - The tool used, timestamp, and approximate token count
- A hash of your inputs (used for caching — we cannot reverse this to recover your inputs)
We do not collect your name, email address, or any personally identifying information unless you contact us directly.
Cookies
AI tools set a single cookie (ht_fp) used solely for rate limiting (5 free generations per day). It contains a random identifier, not personal data. It expires after one year.
Analytics
We use privacy-friendly analytics (no cross-site tracking, no cookies required for analytics, no personal data collected). Aggregate page view counts are used to understand which tools are popular.
Third parties
- Anthropic— AI tool inputs are sent to Anthropic's API to generate responses. See Anthropic's Privacy Policy.
- Google AdSense — display ads may use cookies to show relevant advertising. See Google's Privacy Policy.
Contact
Privacy questions: hello@hobbytools.io