Processed entirely in your browser — PDFs never uploaded to any server
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Drop PDF files here or click to browse
Add multiple PDFs — you can reorder them before merging
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Frequently asked questions
Is my PDF safe when merging?
Yes completely. Your PDFs are processed entirely in your browser using JavaScript. Files never leave your device and are never uploaded to any server.
How many PDFs can I merge at once?
You can merge as many PDFs as you need. However very large files may be slow since processing happens in your browser.
Can I reorder the PDFs before merging?
Yes! You can drag and drop the files to reorder them before merging. The final PDF will follow the order you set.
Will the merged PDF preserve formatting?
Yes. The merge process combines the pages exactly as they are — fonts, images, layouts and formatting are all preserved perfectly.
Is there a file size limit?
Since processing happens in your browser, very large files may be slow. Files under 50MB each work best.