How do I merge PDF files?

Upload your PDFs, arrange them in order, and click Merge. Download the combined file.

Is there a file size limit?

Each file can be up to 50MB. Total combined size up to 200MB.

No, MergePDFSpark preserves original quality. No compression or modification.

Yes, drag and drop to reorder files before merging.

Combine multiple PDF files into a single document. Drag to reorder, then merge instantly. All processing happens in your browser.

Drag & drop PDF files here

Browse Files

All processing happens in your browser. Your files never leave your device.

Easily rearrange your PDFs in any order before merging.

Combine PDFs in seconds with no file size limits.