Are my merged PDF files uploaded to a server?

No. NextWaive's PDF merger works 100% client-side. The file merging is completed in your web browser, and your files are never transmitted to our servers.

What is the maximum file size for merging PDFs?

Since processing occurs on your local device, there are no artificial file size limits. It depends entirely on your device's memory and performance.

Can I reorder or delete pages before merging?

Yes, our interface allows you to reorder, delete, and manage individual pages before merging them into a single PDF document.

Are my merged PDF files uploaded to a server?

No. NextWaive's PDF merger works 100% client-side. The file merging is completed in your web browser, and your files are never transmitted to our servers.

What is the maximum file size for merging PDFs?

Since processing occurs on your local device, there are no artificial file size limits. It depends entirely on your device's memory and performance.

Can I reorder or delete pages before merging?

Yes, our interface allows you to reorder, delete, and manage individual pages before merging them into a single PDF document.

Free Online PDF Merger — Combine PDF Files Client-Side | NextWaive

100% Private & Secure

Zero Server Uploads

Your files are processed entirely inside your browser tab using WebAssembly & local JavaScript APIs.

On-Device Computing

No Cloud Storage

How to use this tool

Upload your PDF files by dragging them into the drop zone or clicking 'Select PDF Files'.

Review the file queue list on the screen.

Optionally click the settings button on each file to specify page ranges visually or via text input.

Use the Up and Down arrow buttons to reorder files to your desired page order.

Click 'Merge PDFs' to combine the files locally in your browser.

Once done, click 'Download Merged PDF' to save your new combined file.

Key Features & Benefits

100% On-Device Processing

All parsing and document assembly is executed completely inside your browser tab to guarantee privacy.

Intuitive Order Arranging

Easily reorder the documents using clean list handles to set the exact sequence before merging.

Fast Local Merging

Combines documents in seconds utilizing high-performance client-side WebAssembly routines.

Comprehensive File Info

Instantly extracts page counts, file sizing, and metadata details upon file selection.

PDF Merger