Merge PDF Files Online - Combine PDFs Free & Securely

Combine multiple PDF files into a single, unified document. Drag and drop to reorder your files easily. This tool is fast, free, and processes everything securely in your browser.
Secure & Private: This operation is processed entirely in your browser. Your files are not uploaded.

Your Free PDF Combiner Tool

Upload PDFs to Merge
Select multiple PDF files. You can reorder them after uploading.

Click to upload or drag and drop

Max file size: 10MB. Accepted: .PDF, PDF

Further Reading & Resources

The Security Risks of Using Online PDF Tools

Learn why browser-based PDF processing, like One23PDF uses, is crucial for protecting your data when managing documents online.

The Rise of Browser-Based PDF Editors: Security Meets Convenience

Explore the advantages of client-side PDF tools, emphasizing the balance of robust security features with user-friendly convenience.