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Privacy Policy

Effective: January 1, 2026 Last Updated: November 3, 2026 Scope: AI Flashcard Maker Web App & Adaptive Learning Engine

1 What this policy covers

This policy describes the information processed when you use AI Flashcard Maker. The product does not have an account-based cloud library. Decks, edits, and spaced-repetition records are saved in IndexedDB in your browser. Interface preferences and the current library location may be saved in browser local storage.

2 Files and AI processing

Supported documents and images are opened and parsed in your browser. Scanned-page OCR, image description, and audio transcription run locally in a compatible browser. The original uploaded file is not sent to our generation endpoint. To create cards, extracted text, OCR text, local image descriptions, and source labels (which can include a filename, page, or section) are sent over HTTPS to our server, then forwarded to a third-party AI service for processing. The service returns generated card text to your browser. The provider and model may change as the service evolves.

Do not submit material that you are not authorized to process or that you do not want handled by the configured AI provider. We have not verified a fixed retention period or training policy for every provider configuration. Check the provider's current terms before submitting sensitive material.

3 Local data and deletion

Decks, card edits, folders, and review scheduling records are stored in browser IndexedDB. Clearing a deck or using Clear local history removes the corresponding app data from this browser. Browser storage can also be cleared in your browser settings. This does not delete information already processed by an AI provider or technical records held by hosting services.

Exports are created on your device. Anki export is ordinary tab-separated front-and-back text with optional tags; the service does not create an .apkg package or native Anki Cloze notes.

4 Product and site analytics

If analytics is enabled, the browser uses a random anonymous visitor identifier that expires after 30 days and a session identifier that expires after 30 minutes. Events can include page path, campaign parameters, referring domain, input type, generation started/succeeded/failed/cancelled, failure stage, and study mode. Events are forwarded through our server to the Snapling analytics service. They do not include uploaded files, extracted study text, card contents, full source URLs, or quiz answers and scores.

The visitor identifier expiry is not the retention period for analytics records. We have not confirmed a fixed deletion period for records held by the analytics service or its database provider.

PVUV, our site analytics service at analytics.kaurispring.org, separately measures public page visits. It may process page URLs and paths, referring pages, campaign parameters, general browser and device information, language and screen size, approximate location, visit duration and scroll depth, Web Vitals, aggregated interaction and form activity, outbound-link destinations, and limited JavaScript error diagnostics. It uses first-party visitor and session identifiers; a visitor identifier can remain for up to 396 days, with sessions renewed after 30 minutes of inactivity. PVUV is enabled only on ai-flashcard.com and www.ai-flashcard.com; f.ai-flashcard.com is not instrumented or collected. PVUV is not loaded on /app or /admin. It does not read form values, uploaded files, extracted study text, flashcard contents, quiz answers, or scores.

5 Service providers and technical records

The site is hosted by Vercel. AI processing uses a third-party service, and the provider or model may change over time. Hosting, AI, and analytics providers process technical request data under their own terms. We have not verified a fixed retention period or training policy for every provider, so check the applicable provider terms before submitting sensitive material.

Our generation application logs are configured to record error categories and HTTP status codes without recording submitted source text or provider response bodies. Avoid placing personal or confidential information in material labels or source content.

6 Cookies, changes, and contact

The service uses essential browser cookies for CSRF protection and the daily generation limit. Product analytics identifiers are stored in browser storage. PVUV uses first-party visitor and session identifiers; a visitor identifier can remain for up to 396 days and a session is renewed after 30 minutes of inactivity. We may update this policy as the service changes; the date above identifies the latest revision.

For privacy questions, contact contact@ai-flashcard.com.

1 本政策适用范围

本政策说明您使用 AI Flashcard Maker 时会处理哪些信息。本产品没有账户式云端卡组库。卡组、编辑内容和间隔重复记录保存在您浏览器的 IndexedDB 中;界面偏好和当前目录位置可能保存在浏览器本地存储中。

2 文件与 AI 处理

支持的文档和图片会在浏览器中打开并解析。扫描页 OCR、图片描述和音频转录在兼容的浏览器本地运行。原始上传文件不会发送到我们的制卡接口。制卡时,提取文本、OCR 文本、本地生成的图片描述及来源标签(可能包含文件名、页码或章节)会通过 HTTPS 发送到我们的服务器,再转发给第三方 AI 服务处理。服务商返回生成的卡片文字后,由浏览器接收。第三方服务商和模型可能随服务调整而变化。

请勿提交您无权处理,或不希望交由所配置 AI 服务商处理的资料。我们尚未核实每种服务商配置的固定保留期限或训练政策。提交敏感材料前,请查看服务商当前条款。

3 本地数据与删除

卡组、卡片编辑、目录和复习排期记录保存在浏览器 IndexedDB 中。删除卡组或使用“清除本地历史”会移除本浏览器中对应的应用数据,也可以在浏览器设置中清除本地存储。这不会删除 AI 服务商已经处理的信息,也不会删除托管服务保留的技术记录。

导出文件由您的设备生成。Anki 导出是普通的制表符分隔正反面文本,可带标签;本服务不生成 .apkg 卡包或 Anki 原生 Cloze 笔记。

4 产品与网站分析

启用分析时,浏览器会使用随机匿名访客标识符(30 天后到期)和会话标识符(30 分钟后到期)。事件可能包含页面路径、广告活动参数、来源域名、输入类型、制卡开始/成功/失败/取消、失败阶段和学习模式。事件经由我们的服务器转发到 Snapling 分析服务。事件不包含上传文件、提取出的学习文字、卡片内容、完整来源网址、测验答案或成绩。

访客标识符的到期时间不等于分析记录的保留期限。我们尚未确认分析服务或其数据库服务商所持记录的固定删除期限。

此外,我们通过 analytics.kaurispring.org 上的 PVUV 统计公开页面访问。它可能处理页面 URL 和路径、来源页面、活动参数、一般浏览器和设备信息、语言与屏幕尺寸、大致地区、访问时长与滚动深度、Web Vitals、汇总后的交互和表单活动、外链去向及有限的 JavaScript 错误诊断。它使用第一方访客和会话标识符;访客标识符最长可保留 396 天,会话在 30 分钟无活动后更新。PVUV 仅在 ai-flashcard.com 和 www.ai-flashcard.com 启用;f.ai-flashcard.com 不会埋点或采集。PVUV 不会在 /app 或 /admin 加载,也不会读取表单值、上传文件、提取出的学习文字、卡片内容、测验答案或成绩。

5 服务商与技术记录

网站由 Vercel 托管。AI 制卡由第三方服务处理,服务商或模型可能随时间调整。托管、AI 和分析服务商会依据各自条款处理技术请求数据。我们尚未核实每种服务商的固定保留期限或训练政策,提交敏感资料前请查看适用的服务商条款。

制卡应用日志配置为记录错误类别和 HTTP 状态码,不记录提交的来源正文或服务商响应正文。请避免在来源标签或资料正文中加入个人或机密信息。

6 Cookie、更新与联系

本服务使用用于 CSRF 防护和每日生成次数限制的必要浏览器 Cookie。产品分析标识符保存在浏览器存储中;PVUV 站点统计还会使用第一方访客和会话标识符,访客标识符最长可保留 396 天,会话在 30 分钟无活动后更新。本政策可能随服务变化而更新,页面顶部日期表示最近修订时间。

如有隐私问题,请联系 contact@ai-flashcard.com。

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