中文 | English
将文字排版成精美长图，适合微信、小红书等平台分享，也可用于日记、摘抄归档。数据仅存本地，无需账号。
- 粘贴文字，实时预览排版效果
- 多种内置风格（纸白、素雅、暗夜学院、手账笔记……）
- 支持 Markdown 语法（标题、引用、加粗、分割线等）
- 导出 PNG / JPEG / WebP / SVG / PDF / HTML / Markdown
- 历史版本：每次保存自动快照，支持回滚
- 中 / English 界面切换
- PWA：可安装到手机主屏幕，离线可用
- 所有数据存储在浏览器本地，不联网，不收集任何信息
npm install
npm run dev
# 浏览器打开 http://localhost:3000生产构建：
npm run build
npm start附件 longcard-v*-static.zip：解压后在该目录执行 npx serve .，其余见 STATIC_HOSTING.txt。
| 类别 | 技术 |
|---|---|
| Framework | Next.js 16 (App Router) |
| UI | React 19 + Tailwind CSS v4 |
| State | Zustand |
| Storage | Dexie (IndexedDB) |
| Image export | html-to-image, jsPDF |
| Canvas editor | Fabric.js |
Turn plain text into beautifully typeset long images — great for sharing on WeChat, Xiaohongshu, or archiving personal notes. All data stays local, no account needed.
- Paste text, see live layout preview
- Multiple built-in themes (Paper White, Elegant, Dark Academia, Journal…)
- Markdown support (headings, blockquotes, bold, dividers…)
- Export to PNG / JPEG / WebP / SVG / PDF / HTML / Markdown
- Version history with one-click restore
- Chinese / English UI toggle
- PWA: installable, works offline
- Fully local — no server, no tracking
npm install
npm run dev
# open http://localhost:3000Production build:
npm run build
npm startlongcard-v*-static.zip: unzip, then run npx serve . in that folder. See STATIC_HOSTING.txt.
| Area | Technology |
|---|---|
| Framework | Next.js 16 (App Router) |
| UI | React 19 + Tailwind CSS v4 |
| State | Zustand |
| Storage | Dexie (IndexedDB) |
| Image export | html-to-image, jsPDF |
| Canvas editor | Fabric.js |