Explore All Tools
Convert, compress, and manage your PDF files easily and securely — all in your browser.
Our Tools
Word to PDF
Convert .doc or .docx files into PDF format.
Excel to PDF
Turn spreadsheets into professional PDFs.
PPT to PDF
Convert PowerPoint slides into shareable PDFs.
Compress PDF
Reduce PDF file size while keeping quality high.
Ultra Compress PDF
Reduce PDF file size with Advance settings.
Merge PDFs
Combine multiple PDF files into one seamless file.
Split PDFs
Extract and separate pages into a new document.
PNG to PDF
Convert one or more PNG files into a single PDF.
PNG to JPG
Convert PNG images to JPG file.
Protect PDF
Add password protection to your PDF files.
PDF to Word
Convert your PDF files into editable Word documents.
PDF to Excel
Extract tabular data from PDFs and convert to Excel spreadsheets.
PDF to PPT
Convert each page of a PDF into a PowerPoint slide.
JPG to PDF
Convert JPG images to PDF file.
JPG to PNG
Convert JPG images to PNG file.
Unlock PDF
Remove password protection from your secured PDF file.
Watermark PDF
Add semi-transparent text to all pages of your PDF.
Repair PDF
Fix broken, unopenable, or damaged PDF files online — free and easy.
PDF to JPG
Convert PDF images to JPG file.
PDF to PNG
Convert PDF images to PNG file.
Rotate PDF
Rotate PDF pages All or selected pages.
HTML to PDF
HTML to PDF.
URL to PDF
URL to PDF.
Delete PDF Pages
Delete PDF Pages.
Organize PDF
Organize PDF.
Why Use ModifyPDF’s Online PDF Tools?
At ModifyPDF.com, we offer a comprehensive set of free PDF tools that make managing documents easier and faster. Whether you're looking to convert Word to PDF, compress large files, split PDFs by page, or add watermarks, our browser-based platform has you covered—no software download required.
Our tools are optimized for speed, simplicity, and security. With support for DOCX, XLSX, PPTX, PNG, JPG, and more, you can perform advanced PDF operations with just a few clicks. Plus, we don’t store your files, so your documents stay private.
Popular Use Cases
- ✨ Compress your resume before emailing it to recruiters.
- 📄 Merge scanned PDFs into a single report.
- 🔐 Add password protection to contracts and sensitive documents.
- 📊 Convert invoices or spreadsheets from Excel to PDF for official submissions.
- 🖼 Convert JPG or PNG designs into a professional printable PDF.
Frequently Asked Questions
🔒 Are my files secure?
Absolutely. All file processing is done locally or in temporary memory. Files are automatically deleted after a short period, ensuring privacy.
💸 Is ModifyPDF free to use?
Yes. All core tools are free and unlimited. We may offer premium features in the future, but the essentials will remain accessible.
📱 Can I use this on mobile?
Yes. Our website is responsive and works smoothly on all modern devices—phones, tablets, and desktops.
🛠 How do I convert or modify a PDF?
Just select your tool from the list above, upload your file, choose the desired action, and hit "Convert" or "Download". No registration required.