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PDF Merge
PDF Merge is a free online tool that combines multiple PDF files into one document. Drag, drop, reorder, and merge instantly in your browser. Process PDF files directly in your browser with no uploads to external cloud servers.
Click to upload PDF
or drag and drop your PDF file here
Max file size: 5 MB
What is PDF Merge | Rune
PDF Merge combines multiple PDF files into a single document with drag-and-drop ordering, compression options, and metadata preservation. All processing happens securely in your browser with complete privacy. Supports all standard PDF files and maintains document formatting, fonts, and layout throughout the conversion process.
All PDF processing runs locally in your browser, keeping your documents private and secure at all times. Works with multi-page documents and preserves bookmarks, links, and embedded media during processing. No file size restrictions for standard documents, making it suitable for both small and large PDF files.
What Makes PDF Merge Different
PDF Merge on Rune handles easy uploads and file reordering without requiring an account or a software download. Open the page, use the tool, close the tab. Nothing is stored and nothing is tracked.
Where most alternatives lock their best features behind a paywall, Rune keeps PDF Merge genuinely accessible. Drag and drop multiple PDF files or click to browse with support for batch uploads. That alone saves time for anyone who needs quick, reliable results on a daily basis.
Key Features of PDF Merge
Built with 6 features covering uploads, reordering, privacy, and more
Easy Upload
Drag and drop multiple PDF files or click to browse. Supports batch uploads for faster workflow.
Reorder Files
Drag files up or down to arrange them in any order. Your PDFs merge exactly as listed.
Unlimited Merges
Combine as many PDF files as you need, no limits on file count or merge operations.
Lightning Fast
Instant processing with no waiting. Merge PDFs in seconds, not minutes.
Private & Secure
All files processed locally in your browser. Zero uploads, complete privacy guaranteed.
Quality Options
Choose compression, preserve metadata, or add bookmarks for perfect merged documents.
How to Use PDF Merge
Upload PDFs
Drag and drop your PDF files into the upload area, or click to browse and select files from your device.
Arrange & Configure
Reorder files by dragging them. Enable compression or metadata preservation as needed.
Download Result
Click merge to combine your PDFs. Download the result or create a shareable link.
Pro Tips
- Drag files to reorder them before merging. The order in the list determines the final document order.
- Enable compression to reduce file size, especially useful for PDFs with many images.
- Use the shareable link feature to send merged PDFs without email attachment limits.
- Preview thumbnails help identify each PDF before merging.
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Try Now →Frequently Asked Questions
How many PDFs can I merge at once?
You can merge multiple PDF files in a single operation. For optimal performance, we recommend merging up to 20 files at a time.
Is my data secure when merging PDFs?
All PDF processing happens locally in your browser. Your files are never uploaded to our servers or stored anywhere.
What is the maximum file size?
No strict file size limit, but very large files (over 100MB each) may take longer depending on your device.
Can I reorder PDFs before merging?
Yes! Drag and drop the PDF files in the list to rearrange their order. Files merge in the order they appear.
What does the compress option do?
It reduces file size by optimizing images and removing redundant data. Useful for email or limited storage.
Will merging preserve my PDF metadata?
Yes! The Preserve Metadata option keeps author, title, creation date, and keywords from your original PDFs.
Can I merge password-protected PDFs?
Password-protected PDFs need the password removed first. This is a security measure to ensure proper access.
Is there a cost to use PDF Merge?
PDF Merge is free! Free users get 5 merges per day with files up to 5MB each. Upgrade for more.
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