Merge PDF Files Free Online
Combine multiple PDF documents into a single file instantly. Your files stay private - they never leave your device.
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Start combining your PDF files now - it's free and takes just seconds!
Merge PDFs Now - Free Get Desktop VersionHow to Merge PDF Files
Combining PDF files with PDF Compresso is quick and easy. Follow these simple steps:
- Upload Your PDF Files - Click the upload zone or drag and drop multiple PDF files. You can add as many files as you need.
- Arrange the Order - Drag and drop files to reorder them. The first file in the list will be first in your merged document.
- Click Merge - Press the "Merge PDFs" button to combine all files into one document.
- Download Your PDF - Once processing is complete, download your merged PDF file instantly.
Why Use PDF Compresso to Merge PDFs?
Complete Privacy
Unlike other online PDF tools, PDF Compresso processes your files entirely in your browser. Your documents are never uploaded to any server, ensuring complete confidentiality for sensitive business documents, legal files, or personal information.
No File Size Limits (Desktop)
While the free web version supports files up to 10MB each, our desktop version has no file size restrictions. Merge large documents, scanned books, or extensive reports without worrying about limits.
Fast & Free
Merge unlimited PDF files at no cost. There's no signup required, no watermarks added, and no hidden fees. Just quick, professional results every time.
Works Offline
With the desktop version, you can merge PDFs even without an internet connection. Perfect for when you're traveling, in a secure environment, or simply prefer offline tools.
Common Use Cases for Merging PDFs
- Combine Scanned Documents - Merge multiple scanned pages into a single document
- Create Reports - Join cover pages, content, and appendices into one professional report
- Organize Invoices - Combine monthly invoices into quarterly or annual files
- Compile Research - Merge research papers, articles, and notes into one reference document
- Package Contracts - Join multiple contract pages and signatures into one complete agreement
- Create Portfolios - Combine work samples into a single portfolio PDF
Frequently Asked Questions
Is it really free to merge PDFs?
Yes! Merging PDFs with our web tool is completely free with no hidden costs. You can merge unlimited files without creating an account or paying anything.
Are my files safe and private?
Absolutely. Your files never leave your device. All processing happens locally in your browser, which means we never see, access, or store your documents.
How many PDFs can I merge at once?
You can merge as many PDF files as you need. There's no limit on the number of files. The free web version has a 10MB per file limit, while the desktop version has no size restrictions.
Will the quality of my PDFs be affected?
No, merging PDFs with PDF Compresso preserves the original quality of your documents. We don't compress or alter the content in any way during the merge process.
Can I reorder pages after merging?
Yes! After merging, you can use our Organize tool to rearrange individual pages, or our Split tool to extract specific pages if needed.
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