Privacy Policy

Last updated: September 5, 2026

Summary: Your privacy is our highest priority. All tool calculations and formatting run entirely in your local browser. We never collect, store, or transmit what you type into our utilities.

1. Your Tool Inputs Stay 100% Local

Every single tool on this site — including financial calculators (mortgage, IRR, income tax), developer formatters (JSON, SQL, HTML, CSS, XML), decoders (JWT, Base64), unit converters, the QR code maker, and Markdown previewer —executes strictly inside your browser's local JavaScript environment.

The values, code snippets, tokens, and numbers you enter are processed directly on your device and arenever transmitted, stored, inspected, or logged on any server. You can verify this anytime by inspecting your browser's Network tab (F12) while using any tool.

2. Web Analytics

This site uses Cloudflare Web Analytics to measure overall site traffic. This service is designed to be privacy-first:

3. Advertising & Cookies (Google AdSense)

To keep all tools free and cover server/CDN operating expenses, this site may display non-intrusive advertisements served by Google AdSense.

Google and its advertising partners may use cookies to serve ads based on your prior visits to this or other websites:

4. Your Rights (GDPR & CCPA)

Under the European Union General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA):

5. Hosting & Infrastructure

This site is statically hosted via GitHub Pages and distributed globally through Cloudflare Edge CDN. The hosting infrastructure records standard HTTP server request logs (such as request timestamps and HTTP status codes) solely for DDoS defense, system security, and operational reliability, in accordance withGitHub's Privacy Statement.

6. Policy Updates & Contact

We may occasionally update this Privacy Policy to reflect technical or legal requirements. Any modifications will be posted here with an updated date.

If you have questions about this privacy statement, please contact us via email atadmin@qcsunny.orgor submit an issue on ourGitHub repository.

隐私政策

最近更新时间:2026年9月5日

核心承诺:您的数据与隐私安全是我们的首要原则。本站所有在线工具均在你的浏览器本地离线运行,绝不收集、绝不上报、绝不存储您在工具中输入的任何代码与数据。

1. 工具输入数据 100% 浏览器本地运算

本站提供的所有实用工具——包括金融计算器(房贷计算、提前还款、IRR 计算、个税计算)、开发者代码工具(JSON、SQL、HTML、CSS、XML 格式化美化)、编解码工具(JWT、Base64)、单位转换、二维码生成与 Markdown 实时预览编辑器——均在您的浏览器本地 JavaScript 运行时中纯客户端执行

您所输入的数值、代码片段、鉴权 Token、财务数据和文档内容仅在您的本地设备上进行运算,绝不会向任何服务器发送、存储、监控或记录。您可以在使用任意工具时随时按 F12 打开浏览器的“网络 (Network)”面板进行全面自主抓包验证。

2. 访问统计与无隐私跟踪

本站采用 Cloudflare Web Analytics 进行基础的站点访问量聚合统计。该统计方案秉持严格的隐私保护标准:

3. 广告投放与第三方 Cookie (Google AdSense)

为了维持网站与 CDN 基础设施的高速稳定运营,并长期保持所有工具免费开放,本站可能展示由 Google AdSense 投放的非侵入式广告。

Google 及其广告合作伙伴可能会使用 Cookie,以便根据您先前访问本站或其他网站的记录投放相关广告:

4. 用户权利保护 (GDPR 与 CCPA)

依据欧盟《通用数据保护条例》(GDPR) 以及美国加利福尼亚州《消费者隐私法案》(CCPA) 的要求:

5. 基础设施与静态托管

本站采用静态页面架构,托管于 GitHub Pages,并通过 Cloudflare 全球边缘 CDN 进行加速。底层网络基础设施仅在网络协议层面记录基础的服务器访问日志(如时间戳和 HTTP 状态码),以用于防范网络攻击(DDoS)并确保系统安全稳定,详细规则遵循GitHub 隐私声明

6. 政策更新与联系方式

我们可能会根据法律法规或技术更新适时调整本隐私政策。政策的任何变动均会在此页面公布并标注更新日期。

如对本隐私政策有任何疑问、建议或意见,欢迎通过电子邮箱联系我们:admin@qcsunny.org, 或前往本站GitHub 仓库提交 Issue