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Split, merge, convert, and edit PDFs with our professional online tools. No downloads required, completely secure.

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Professional PDF Tools

Split PDF

Split large PDF files into smaller documents. Extract specific pages or split by page ranges with precision.

Merge PDF

Combine multiple PDF files into a single document. Arrange pages in any order you need.

Compress PDF

Reduce PDF file size while maintaining quality. Perfect for email attachments and web uploads.

Protect PDF

Add password protection and encryption to your PDF files. Secure sensitive documents.

PDF to Image

Convert PDF pages to high-quality JPG or PNG images. Extract images from PDF documents.

Image to PDF

Convert JPG, PNG, and other image formats to PDF. Combine multiple images into a single PDF file.

PDF Processing Guides

Learn how to get the most out of our PDF tools with these comprehensive guides.

How to Split PDF Files Efficiently

Splitting PDF files is essential when you need to extract specific pages or divide large documents into smaller, more manageable files. Follow these steps to split your PDFs efficiently:

  1. Select the Split PDF tool from our tools section
  2. Upload your PDF file by dragging and dropping or browsing your files
  3. Choose your split method:
    • By page range (e.g., 1-5, 10-15)
    • By file size
    • By bookmarks
  4. Configure your split options based on your selected method
  5. Click "Process PDF" to split your document
  6. Download your split PDF files individually

For best results when splitting by page range, ensure you know the exact pages you need. When splitting by file size, remember that the actual split points will be at page boundaries, so the resulting files may be slightly smaller than your specified maximum size.

Merging Multiple PDFs into One Document

Combining multiple PDF files into a single document is a common task for creating comprehensive reports, portfolios, or consolidated documentation. Here's how to merge your PDFs effectively:

  1. Select the Merge PDF tool from our tools section
  2. Upload all PDF files you want to combine (you can select multiple files at once)
  3. Arrange the files in your desired order by dragging and dropping them in the file list
  4. Choose merge options:
    • Merge order (upload order, alphabetical, by size)
    • Add bookmarks for each file (recommended for easy navigation)
  5. Click "Process PDF" to combine your documents
  6. Download your merged PDF file

For professional documents, we recommend adding bookmarks for each merged file, as this creates a navigable table of contents in the final PDF. This is especially useful for longer documents where readers need to jump between sections.

Securing Your PDF Documents with Passwords

Protecting sensitive PDF documents with passwords is crucial for maintaining confidentiality and controlling access. Our Protect PDF tool offers robust security options:

  1. Select the Protect PDF tool from our tools section
  2. Upload the PDF file you want to secure
  3. Set protection options:
    • User Password: Required to open the document
    • Owner Password: Required to change permissions
    • Permission Settings: Control printing, copying, and editing rights
  4. Click "Process PDF" to apply security settings
  5. Download your protected PDF file

For maximum security, use different user and owner passwords, and create strong passwords that combine uppercase and lowercase letters, numbers, and special characters. Remember to store your passwords securely, as recovering encrypted PDF content without the password can be extremely difficult or impossible.

Converting PDF Documents to Images

Converting PDF pages to images is useful for sharing content on platforms that don't support PDFs, creating visual presentations, or extracting graphics. Here's how to convert your PDFs to high-quality images:

  1. Select the PDF to Image tool from our tools section
  2. Upload your PDF file by dragging and dropping or browsing your files
  3. Choose your conversion options:
    • Image Format: PNG for higher quality or JPG for smaller file size
    • Image Quality: High, Medium, or Low
    • Resolution (DPI): 72 for screen viewing, 150 for medium quality, or 300 for print quality
  4. Enable "Extract embedded images" if you want to extract images contained in the PDF
  5. Click "Process PDF" to convert your document
  6. Download your image files individually

For best results when sharing images online, use PNG format at 150 DPI for a good balance between quality and file size. If you need to print the images, choose 300 DPI for optimal print quality.

Creating PDFs from Images

Converting images to PDF format is perfect for creating professional documents from photos, scans, or graphics. Our Image to PDF tool makes this process simple:

  1. Select the Image to PDF tool from our tools section
  2. Upload your image files (JPG, PNG, or other formats)
  3. Configure your PDF options:
    • Page Size: A4, Letter, Legal, or Original Image Size
    • Page Orientation: Auto, Portrait, or Landscape
    • Image Quality: High, Medium, or Low (smaller file size)
  4. Choose image placement options:
    • "Fit image to page" to scale images to fit within the page
    • "Center image on page" to center images on the page
  5. Click "Process PDF" to create your PDF
  6. Download your PDF file

When converting multiple images, they will be combined into a single PDF with each image on a separate page. For the most professional results, use consistent image sizes and orientations, and choose the "Original Image Size" option if your images are already properly sized.

About PDFToolBox

PDFToolBox is a comprehensive collection of professional PDF tools designed to handle all your document processing needs. Our tools are built with modern web technologies to provide fast, secure, and reliable PDF manipulation directly in your browser.

🔒 100% Secure

All processing happens locally in your browser. Your files never leave your device, ensuring complete privacy and security.

⚡ Lightning Fast

Advanced algorithms ensure quick processing of even large PDF files without compromising quality.

📱 Mobile Ready

Fully responsive design works perfectly on desktop, tablet, and mobile devices.

🆓 Completely Free

All tools are free to use with no hidden costs, registration, or usage limitations.

🎯 Professional Quality

Enterprise-grade PDF processing capabilities suitable for business and personal use.

🌐 No Installation

Works directly in your web browser. No software downloads or installations required.

Perfect for:

📊 Business Professionals

Merge reports, split presentations, convert documents, and secure confidential files.

🎓 Students & Educators

Combine research papers, extract specific pages, and convert assignments to PDF format.

🏠 Personal Use

Organize documents, compress files for email, and protect personal information.

💼 Legal & Finance

Secure sensitive documents, merge contracts, and maintain document integrity.

Frequently Asked Questions

Find answers to common questions about our PDF tools and services.

Are your PDF tools really free to use?

Yes, all our PDF tools are completely free to use with no hidden costs. We don't require registration or impose usage limitations. Our service is supported by non-intrusive advertisements that help us maintain and improve our tools.

Is my data secure when using your PDF tools?

Absolutely. All PDF processing happens locally in your browser. Your files never leave your device or get uploaded to any server, ensuring complete privacy and security. We have no access to your documents or their contents at any time.

What file size limits apply to your PDF tools?

Since all processing happens in your browser, file size limits depend on your device's memory and processing power. Generally, our tools work well with files up to 100MB, but performance may vary based on your specific device and browser. For very large files, we recommend splitting them into smaller parts first.

Which browsers and devices are supported?

Our PDF tools work on all modern browsers including Chrome, Firefox, Safari, and Edge. The website is fully responsive and functions on desktops, laptops, tablets, and mobile phones. For the best experience, we recommend using the latest version of Chrome or Firefox on a desktop or laptop computer.

Can I use these tools for commercial purposes?

Yes, our tools can be used for both personal and commercial purposes. There are no restrictions on how you use the processed PDF files. Whether you're preparing documents for your business, academic work, or personal use, our tools are available to help you manage your PDF needs.

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