Last updated: October 25, 2025
Summary: Eon Tools runs tool calculations locally in your browser. We don't upload or store what you type into tools or the results they produce. We only receive information you deliberately send us (e.g., via contact or feedback forms). We display ads to keep tools free. Ad partners may use cookies or similar technologies as described below.
Who we are
Eon Tools - a collection of online tools and calculators. Website: https://eontools.com. Contact: [email protected].
What we (do and don't) collect
Tool inputs & results: Not collected. Calculations happen locally in your browser. We don't receive or store your inputs or outputs.
Contact or feedback forms: If you contact us, we process the details you provide to reply and support you.
Cookies & similar technologies
We show ads via Google or other ad partners. These third parties may set cookies or use local storage and similar technologies to deliver and measure ads and to prevent fraud. Learn how Google uses data from partner sites in Google Policies.
EEA/UK/CH consent
If you're in the EEA, UK, or Switzerland, our consent banner lets you choose personalized or non-personalized ads or decline where required. Your choice can be changed at any time via the banner link.
Your choices
- Use the consent banner to set ad preferences.
- Manage Google ad personalization in your Google Ads settings.
- Industry opt-outs: DAA / YourOnlineChoices.eu.
- Browser controls to clear cookies.
Why we use data
- To reply to your messages for contact or feedback forms.
- To protect our service for security, fraud prevention, abuse monitoring.
- To fund free tools by showing ads with consent where required.
Retention
- Tool inputs and results: not stored by us.
- Contact or feedback: retained only as long as needed to handle your request and maintain reasonable records, then deleted.
- Server logs: up to 30 days unless needed for security investigations.
Sharing
We do not sell your personal data. We share only as needed with:
- Service providers under confidentiality and data-processing terms.
- Ad partners to display ads. This may involve cookies and international transfers subject to their safeguards.
- Legal/safety requests where required by law.
Security
We use reasonable technical and organizational measures to protect information we hold. Because tools run locally, your inputs and results remain in your browser. Please still use secure devices and networks.
Your privacy rights
Depending on your location, you may have rights to access, correct, delete, or restrict certain processing. To exercise a right or ask a question, email [email protected]. If you're in the EEA/UK/Switzerland or California, you may have additional rights under GDPR/UK GDPR/CPRA.
Changes to this policy
We may update this policy from time to time. We will post any changes on this page and update the date above.
Contact us
Email [email protected] or use our Contact form.