
Convert PNG to PDF
Privacy-first client-side image converter with batch ZIP export.
Tool DraftAvailableUtility ToolRp 17.000BeginnerUpdated 2026-07-09Next.js 16 (App Router), React 19, TypeScript, Tailwind CSS 4, pdf-lib, JSZip
描述
Single-page, 100% client-side file converter. Four image tools work today — JPG to PNG, PNG to JPG, image to PDF, and image compression — with three document tools (PDF/Word/Markdown) scaffolded in the UI but disabled since they'd need a server. Files never leave the browser; conversions run entirely in Canvas, pdf-lib, and JSZip.
已实现功能
- JPG to PNG and PNG to JPG conversion
- JPG/PNG to PDF conversion
- Image compression (JPG/PNG/WebP)
- Drag-and-drop or click-to-browse upload with per-file validation
- Batch queue (up to 20 files, 25 MB each)
- Per-file status tracking with clear error messages
- ZIP export of all converted outputs
包含内容
- Full source code
- README and setup guide
- License
- AI-ready docs (PRD, technical spec, deployment notes)
- Vitest unit tests and Playwright end-to-end tests
运行方法
- Unzip the source and run npm install.
- Copy .env.example to .env.local if you want to set a custom app URL (optional).
- Run npm run dev and open http://localhost:3000 — no database or auth setup needed.
- Build for production with npm run build and deploy to Vercel or another Node.js host.
后续开发说明
- 100% client-side — no secrets, no database, no server state. Runs on Vercel out of the box.
已知限制
- PDF-to-Word, Word-to-PDF, and PDF-to-Markdown are shown in the UI but disabled — they need a server-side engine that isn't included
- Files over 25 MB are rejected, and batches are capped at 20 files
- No HEIC, TIFF, or SVG input support
- No per-file percentage progress — just ready / converting / done / failed status
- Still needs human or developer review before shipping
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