Free PDF Merger - Combine PDF Files Online
Merge multiple PDF files into one document. Drag and drop to reorder, preview your PDFs, and download your combined file in seconds.
Preview
Preview not available in this browser. Use the button to the right to download your merged PDF.
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Last updated: April 2026
What is a PDF Merger?
A PDF merger combines multiple PDF files into a single document. Upload PDFs, reorder them as needed, and merge into one file for sharing, archiving, or organization. No software or registration required.
How to Merge PDF Files
- Upload PDF files: Click the upload area or drag and drop. You can upload multiple files at once.
- Reorder (optional): Drag rows by the handle to arrange PDFs in the order you want.
- Merge PDFs: Click "Merge PDF" to combine all files into one document.
- Download: Download your merged PDF or merge again with new files.
Frequently Asked Questions
How do I merge PDF files online?
Upload your PDF files using the upload button or drag and drop them into the tool. Reorder them if needed by dragging, then click Merge PDF to combine them into one file and download the result.
Is there a limit to how many PDFs I can merge?
You can merge multiple PDF files at once. There are no strict limits on the number of files for free use.
Is my data safe when merging PDFs?
Yes. Your files are processed securely and deleted automatically after merging. We do not store or access your file contents.
Can I reorder PDF pages before merging?
Yes. You can drag and drop the uploaded PDFs to reorder them before merging.
Is this PDF merger free to use?
Yes, ConvertLoom's PDF merger is completely free. No account or payment is required.
What PDF file size is supported?
The tool supports standard PDF files. Very large files may take slightly longer to process.
Can I merge password-protected PDFs?
Password-protected PDFs cannot be merged directly. Remove the password protection first, then upload to merge.
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