SmartPDF — 合并与拆分 PDF 文件

合并、拆分、旋转、压缩 PDF 以及转换文档。100% 隐私安全——所有操作都在浏览器中进行，无需上传文件。

martPDF is the ultimate offline-first PDF toolkit and document converter. Merge, split, rotate, compress, and convert documents directly inside your browser. No registration required, no subscription model, and 100% private. Because SmartPDF runs entirely client-side using WebAssembly and Javascript, your sensitive files are never uploaded to any remote server. Experience desktop-grade speed with complete data privacy! 🚀 Key Features 1. Essential PDF Tools Merge PDF: Combine multiple PDF documents into a single organized file (Free: up to 3 files, Pro: up to 20 files). Split PDF: Extract specific page ranges or split a large PDF into individual pages (Free: up to 10 pages, Pro: unlimited). Rotate PDF: Fix upside-down or sideways pages in seconds. Rotate single pages or whole documents. Compress PDF: Reduce PDF file sizes for easy email sharing without losing readable quality. Image to PDF Converter: Instantly convert JPG, PNG, and WebP images into clean, standard PDF documents. 2. Local Document & Image Converter Quickly convert files between popular formats directly on your computer: Word & Documents: DOCX ⇆ PDF, DOCX to Markdown, DOCX to HTML, DOCX to TXT. Spreadsheets: Excel (XLSX) to CSV, Excel to JSON, Excel to XML. Data Formats: JSON to CSV, JSON to XLSX, CSV to JSON. Images: JPG, PNG, and WebP conversions. 3. Advanced OCR Text Scanner (Pro) Turn scans and snapshots into editable text. Extract text from images or scanned PDF documents locally using high-accuracy OCR. 4. Batch & Bulk Operations (Pro) Speed up your workflow by converting up to 50 files simultaneously in a single click. Package all converted files into a single, neat ZIP archive automatically. 🔒 100% Offline & Private Unlike web-based converters, SmartPDF does not use external servers: Zero File Uploads: All conversions, compression, and splitting happen directly in your browser's local sandbox. No Internet Required: Works perfectly even when you're completely offline. Strict Security: Your confidential business papers, invoices, and personal photos stay safely on your machine. 💡 Quick Tip Right-Click Image to PDF: Once installed, simply right-click any image on the web and select "Convert Image to PDF" to generate a PDF instantly! ✦ Upgrade to SmartPDF Pro (Optional) Unlock power-user limits with a one-time license key: Convert large files (up to 100MB). Batch convert up to 50 files at once. Access advanced OCR text extraction. Export multiple outputs as a unified ZIP archive. No recurring subscriptions, no monthly charges. 🛠️ Powered By Modern Technologies Built using pure, high-performance Javascript library ports, including pdf-lib and pdfjs, optimized for Manifest V3. Compatible with all major operating systems.