Privacy Policy

Last updated: Jan 20, 2026

At NiceTool.dev, we are transparent about data handling. We clearly distinguish between your input data and browsing data.

1. Input Data (Local-first Pledge)

All data you input into our tools (JSON, Base64, Unix Time...) is processed 100% in your browser (Client-side). We do NOT view, store, or send this content to our servers.

2. Advertising & Google AdSense

We use Google AdSense to serve ads to support our free tools. Google, as a third-party vendor, uses cookies to serve ads based on your prior visits to our website or other websites.

3. Cookies & DART Cookie

Google's use of advertising cookies enables it and its partners to serve ads to you based on your visit to our sites and/or other sites on the Internet. You may opt-out of personalized advertising by visiting Google Ads Settings. Additionally, we use Local Storage to save your UI preferences.

4. Google Analytics & Statistics

We use Google Analytics (GA4) to analyze website traffic. GA4 collects anonymous data such as browser type, session duration, and top-viewed pages. This data helps us improve user experience. We pledge NOT to send any Personally Identifiable Information (PII) to Google.

5. Contact

For any inquiries: [email protected]