Show HN: Capsule – Single-file web apps that save their data into SQLite

Show HN: Capsule —— 将数据保存到 SQLite 的单文件 Web 应用

Documents that run like apps Capsule packs your entire app — UI, data, and everything — into a single portable .capsule file. No cloud. No accounts. Just share it. 像文档一样运行的应用。Capsule 将你的整个应用（UI、数据及所有内容）打包成一个便携的 .capsule 文件。无需云端，无需账号，直接分享即可。

AI APP GENERATION: Generate & update apps using AI. Capsule turns simple prompts into complete, self-contained desktop applications. No cloud servers, no databases to configure, no complex build setups. AI 应用生成：使用 AI 生成并更新应用。Capsule 能将简单的提示词转化为完整的、自包含的桌面应用程序。无需云服务器，无需配置数据库，也无需复杂的构建设置。

01 / PROMPT YOUR IDEA: Describe what you need. Describe the application, layout, or features you want to build. 01 / 提示你的想法：描述你的需求。描述你想要构建的应用程序、布局或功能。

02 / INSTANT CAPSULE APP: Self-contained output. Generates a complete single-file .capsule container with HTML UI, schema, and local SQLite data. 02 / 即时生成 Capsule 应用：自包含输出。生成一个完整的单文件 .capsule 容器，包含 HTML UI、架构和本地 SQLite 数据。

03 / ITERATE ON THE FLY: Live AI updates. Modify features, dark mode, or schemas on the fly via direct AI prompts or MCP coding tools. 03 / 实时迭代：AI 实时更新。通过直接的 AI 提示词或 MCP 编码工具，即时修改功能、深色模式或数据库架构。

Why Capsule? Create a Shareable File for Your Personal App. Capsule brings the simplicity of documents together with the power of native desktop and mobile applications. 为什么选择 Capsule？为你的个人应用创建一个可分享的文件。Capsule 将文档的简洁性与原生桌面及移动应用的功能结合在了一起。

01 / PORTABILITY: What If an App Was Just a Document? Forget cloud accounts, servers, and subscriptions. Capsule bundles your user interface, media assets, and local database into a single, portable .capsule file. Send it via WhatsApp, AirDrop, or email just like a PDF or Word document. When the recipient taps the file, it launches instantly with all your data preloaded, ready to use. 01 / 便携性：如果应用只是一个文档会怎样？忘掉云账号、服务器和订阅吧。Capsule 将你的用户界面、媒体资源和本地数据库打包成一个单一的、便携的 .capsule 文件。像发送 PDF 或 Word 文档一样，通过 WhatsApp、AirDrop 或电子邮件发送它。当接收者点击文件时，它会立即启动，所有数据预加载完毕，随时可用。

02 / PRIVACY FIRST: 100% Private by Design. Capsule keeps your personal data where it belongs, on your device. Everything you create is saved directly into the file, giving you complete ownership with zero cloud servers. Write tasks, list recipe notes, or save project logs. There is no cloud storage, no account registration, and no network requirement. Everything is secured right inside the file. 02 / 隐私至上：设计上 100% 私密。Capsule 将你的个人数据保留在它该在的地方——你的设备上。你创建的一切都直接保存到文件中，让你拥有完全的所有权，且无需任何云服务器。无论是编写任务、记录食谱笔记，还是保存项目日志，这里没有云存储、没有账号注册，也不需要网络。一切都安全地保存在文件内部。

03 / CROSS-PLATFORM: One File, Every Operating System. Capsule files are completely cross-platform by default. Open the exact same file on macOS, Windows, or Linux without conversion or special setup. Your apps launch with full desktop performance on any computer, with native iOS and Android support coming soon. 03 / 跨平台：一个文件，适配所有操作系统。Capsule 文件默认完全跨平台。无需转换或特殊设置，即可在 macOS、Windows 或 Linux 上打开同一个文件。你的应用在任何电脑上都能以完整的桌面性能运行，且即将支持 iOS 和 Android 原生运行。

GET CAPSULE: Ready to run portable apps? Capsule is completely free. Download the host player for your platform and open any .capsule file in seconds. 获取 Capsule：准备好运行便携式应用了吗？Capsule 完全免费。下载适用于你平台的宿主播放器，几秒钟内即可打开任何 .capsule 文件。