100% Free, Private, In-Browser Tool
No uploads. No accounts. No limits. Your files never leave your device.
Merge PDF Documents
Combine multiple PDF files in any order to create a single, unified document. Fast, secure, and offline-capable.
Select multiple files at once. All merging runs in-browser.. Max file size is 50MB.
Drag & drop PDF files here, or click to browse
Select multiple files at once. All merging runs in-browser.
Max file size: 50MB
Merge Queue
Queue is empty
Drag & drop your PDF documents here or use the selector on the left to start building your merged file.
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Frequently Asked Questions
Everything you need to know about processing files securely in your browser
How do I merge multiple PDF files into one?
Drag and drop your PDF files into the dropzone on the left, or click to select them from your device. Once added, you can arrange the file order, sort the queue by file metrics, and click the "Merge PDFs" button. The combined document will be generated locally and ready for download instantly.
Is it safe to merge my confidential PDF files here?
Absolutely. Unlike standard cloud-based PDF mergers, our tool operates entirely client-side in your local web browser. Your documents are never uploaded, stored, or processed on remote servers, ensuring absolute privacy and security for your sensitive documents.
Can I reorder or sort the files before merging?
Yes. You can drag and drop file cards in the queue to rearrange their order, use the "Move Up" and "Move Down" buttons on each card, or sort the entire queue automatically by name, file size, or page count with our built-in sort controls.
Is there a file size limit or page count cap for merging?
There are no artificial limits or paywalls on file size or page count. Since processing is performed locally on your device, the only constraint is your web browser's memory and your computer's processing power.
Will merging PDFs reduce the quality of my images or text?
No. Our combiner preserves the exact page content, resolution, layout, fonts, and vector elements of the original documents without any compression, ensuring no loss in quality for the final merged PDF.