There's no hard limit. However, very large files or many documents may be slower due to browser memory constraints. For best results, keep total size under 100MB.

Yes, pages are combined in the order shown. Drag and drop the files in the list to reorder them before merging.

Yes, all processing happens locally in your browser. Your PDFs are never uploaded to any server. This tool works completely offline.

No. Password-protected or encrypted PDFs cannot be processed. You must remove password protection first using the PDF's original software or password removal tools.

Basic page content is preserved, but interactive elements like bookmarks, hyperlinks, and form fields may not transfer. For advanced merging with metadata preservation, use professional PDF software.

Click and drag files in the file list to reorder them. The merged PDF will contain pages in the order displayed from top to bottom.

Yes. PDFs with different page sizes (Letter, A4, Legal, etc.) can be merged. Each page keeps its original size in the merged document.

The merged PDF contains basic metadata from the merging process. Original document metadata like author, title, and creation date are not preserved from individual files.

Yes. Click the × button next to any file in the list to remove it before merging. You can add and remove files multiple times before creating the final merged PDF.

Large PDFs with many pages, high-resolution images, or complex formatting take longer to process. Browser performance and available memory also affect processing speed. Try merging fewer files at once.

PDF Merge - Combine Multiple PDFs into One

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