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Privacy

Privacy notes for browser-based tools, analytics configuration, session insights, cookies, and contact.

Updated 2026-05-09

The tools process input locally in your browser. The site does not provide user accounts and does not send tool input to a site database.

Tool input

JSON, CSV, regular expressions, Base64 text, and local files you choose are processed by browser-side code on your device. Selecting a file reads it locally; it is not uploaded to an application server. Avoid entering secrets you would not normally place in a browser page.

Analytics

Cloudflare Web Analytics is enabled. Google Analytics 4 is enabled. Microsoft Clarity is enabled.

Analytics can record page visits, device and browser information, approximate location, referrers, clicks, scrolling, and similar usage signals. Form controls are marked for masking so tool input is not intentionally collected for analytics review.

Advertising

Google AdSense is not enabled. If advertising is added later, this page will be updated before ad-related processing is introduced.

Contact

For privacy questions, email yuqinfa@qq.com.

FAQ

Do tool inputs get stored?

The static tools in this version process input in the browser and do not store it in a site database.

Related Pages

static About Local Data Tools Local Data Tools provides focused data utilities that run in the browser without accounts or application-server uploads. static Methodology Tools are selected for a clear planning task, local processing, low risk, and practical output. static Contact Send corrections, suggestions, or site feedback to yuqinfa@qq.com. Category Browse more pages Find more pages in this section. Home Back to Local Data Tools Browse the focused tool collection.