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

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Capsule packages your entire app — UI, data, and assets — into a single portable file. No cloud. No accounts. Just share it.

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Capsule packs your entire app — UI, data, and everything — into a single portable .capsule file. No cloud. No accounts. Just share it.

Download for macOS Try Web Preview Download for other platforms ↓ Summer Recipes.capsule Shared via WhatsApp Chloe Summer Recipes.capsule Try Recipe Book .capsule in Web Preview → 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.

Generates a complete single-file .capsule container with HTML UI, schema, and local SQLite data.

Modify features, dark mode, or schemas on the fly via direct AI prompts or MCP coding tools.

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