Tool Directory
Free Online PDF Tools
Access 25+ professional PDF tools directly in your browser. No installation, no registration, and no file uploads to external servers. PDFopen processes everything locally for maximum privacy and speed.
Why Use PDFopen's Online PDF Tools?
Most online PDF services require you to upload files to their servers, creating privacy risks and slow processing times. PDFopen takes a fundamentally different approach: all processing happens inside your browser. Your files never leave your device unless you explicitly choose to download the output.
This local-first architecture means faster processing (no upload/download wait), complete privacy (your documents stay on your machine), and unlimited usage (no daily file limits or forced sign-ups).
Available Categories
- Convert: PDF to Word, PDF to Excel, PDF to PowerPoint, Word to PDF, Excel to PDF, PowerPoint to PDF, JPG to PDF, PDF to Image, HTML to PDF, Scan to PDF
- Optimize: Compress PDF, Compress Image
- Organize: Merge PDF, Split PDF, Rotate PDF
- Edit: Edit PDF, Add Page Numbers, Repair PDF, Watermark PDF, Crop PDF, OCR PDF, PDF Info, Preflight Check
- Security: Protect PDF, Unlock PDF
Complete Tool List
Compress PDF
Reduce PDF file size while maintaining visual quality. Choose from recommended, aggressive, or extreme compression levels. Great for email attachments and web uploads.
Category: Optimize · Use this tool →
Merge PDF
Combine multiple PDF files into a single document. Drag and drop to reorder pages before merging. Supports mixing PDFs with images.
Category: Organize · Use this tool →
Split PDF
Extract specific pages from a PDF document. Select individual pages or page ranges to create a new, smaller PDF file.
Category: Organize · Use this tool →
PDF to Word
Convert PDF documents to editable Word (.docx) files. Preserves text formatting, tables, and basic layouts for easy editing in Microsoft Word or Google Docs.
Category: Convert · Use this tool →
PDF to Excel
Extract tables and data from PDF documents into Excel (.xlsx) spreadsheets. Ideal for financial reports, invoices, and data-heavy documents.
Category: Convert · Use this tool →
PDF to PowerPoint
Transform PDF slides and documents into editable PowerPoint (.pptx) presentations. Each PDF page becomes a slide you can edit freely.
Category: Convert · Use this tool →
Word to PDF
Convert Word (.doc, .docx) documents to PDF format. Preserves formatting, fonts, and layout for reliable sharing and printing.
Category: Convert · Use this tool →
Excel to PDF
Convert Excel (.xls, .xlsx) spreadsheets to PDF documents. Maintains cell formatting, charts, and page layouts for professional output.
Category: Convert · Use this tool →
PowerPoint to PDF
Convert PowerPoint (.ppt, .pptx) presentations to PDF format. Each slide is rendered as a high-quality PDF page with animations removed.
Category: Convert · Use this tool →
JPG to PDF
Convert images (JPG, PNG, WEBP) to PDF documents. Combine multiple images into one PDF with automatic page sizing and orientation detection.
Category: Convert · Use this tool →
PDF to Image
Export PDF pages as high-quality images in JPG, PNG, or WEBP format. Control DPI settings from 72 to 600 for the perfect balance of quality and file size.
Category: Convert · Use this tool →
HTML to PDF
Convert HTML content and web pages to PDF documents. Render styled HTML with CSS into clean, shareable PDF files.
Category: Convert · Use this tool →
Edit PDF
Annotate PDFs with text, highlights, shapes, and freehand drawings. Add signatures, stamps, and comments directly on any PDF page.
Category: Edit · Use this tool →
Rotate PDF
Rotate PDF pages by 90°, 180°, or 270°. Fix scanned documents, correct page orientation, and rotate individual or all pages at once.
Category: Organize · Use this tool →
Add Page Numbers
Add page numbers to your PDF documents. Choose position (header or footer), alignment, and formatting style for consecutive page numbering.
Category: Edit · Use this tool →
Protect PDF
Add password protection to your PDF files. Set document open passwords and permission restrictions to control who can view, print, or edit your documents.
Category: Security · Use this tool →
Unlock PDF
Remove password protection from PDF files when you have the correct password. Access locked documents and remove restrictions for editing and printing.
Category: Security · Use this tool →
Repair PDF
Fix corrupted or damaged PDF files. Reconstructs broken document structures, recovers content from partially damaged files, and restores readability.
Category: Edit · Use this tool →
Watermark PDF
Add text watermarks to PDF pages. Customize opacity, size, and position to mark documents as confidential, draft, or with your company branding.
Category: Edit · Use this tool →
Compress Image
Reduce image file sizes for JPG, PNG, and WEBP formats. Control quality and dimensions while maintaining visual clarity for web and email use.
Category: Optimize · Use this tool →
Crop PDF
Crop PDF pages to remove unwanted margins, headers, or whitespace. Adjust the visible area of each page for cleaner document presentation.
Category: Edit · Use this tool →
OCR PDF
Extract text from scanned PDF documents using optical character recognition. Makes scanned pages searchable and allows text to be copied and edited.
Category: Edit · Use this tool →
Scan to PDF
Use your device camera to scan documents directly to PDF. Capture receipts, whiteboard notes, and paper documents as clean, portable PDF files.
Category: Convert · Use this tool →
PDF Info
View detailed metadata about your PDF files including page count, file size, creation date, author, page dimensions, and PDF version information.
Category: Edit · Use this tool →
Preflight Check
Analyze PDF documents for potential issues before printing or sharing. Check for embedded fonts, color profiles, image resolution, and file structure problems.
Category: Edit · Use this tool →
How PDFopen Works
PDFopen is built on modern web technologies including WebAssembly, PDF.js, and advanced browser APIs. When you open a PDF or other document, it's processed entirely within your browser's sandboxed environment. The application uses a multi-threaded architecture for handling large documents (3,000+ pages) efficiently, with adaptive DPI scaling based on your device capabilities.
Supported File Formats
PDFopen works with a wide range of document and image formats:
- Documents: PDF, DOC, DOCX (Microsoft Word)
- Spreadsheets: XLS, XLSX, CSV (Microsoft Excel)
- Presentations: PPT, PPTX (Microsoft PowerPoint)
- Images: JPG, JPEG, PNG, WEBP, GIF, BMP, TIFF, AVIF
- Web: HTML content to PDF conversion
Privacy and Security
Your files are processed entirely in your browser. PDFopen does not upload your documents to any server. There are no accounts, no tracking of document contents, and no file storage. Read our Privacy Policy for full details.