PDF Merger
PDF Merger combines multiple PDF files into a single document in any order — free online, directly in your browser, with no sign-up, no watermark, and no upload. Drop your PDFs, drag to reorder, and download the merged file. Perfect for assembling reports, contracts, ebooks, and scanned receipts in one place.
Drag and drop PDF files here
or click to browse (select multiple)
Merging...
Merge Complete
No sign-up required. Your files never leave your browser.
How to Merge PDF Files Online (3 Easy Steps)
- Upload your file using the area above.
- Adjust any settings or options if necessary.
- Click the process button to start the tool.
- Wait while your file is securely processed.
- Download your resulting file immediately.
Why Merge PDF Files? (And When You Need To)
- 100% Free — No hidden fees or limits.
- Fast Processing — Get your result in seconds.
- Private & Secure — Your files stay on your device.
- Cross-Platform — Works seamlessly on desktop, tablet, and mobile.
PDF Merger — Frequently Asked Questions
Yes. PDF Merger is 100% free with no registration required. Process PDFs with no watermark added and no daily limit on file count. There is no paid tier hiding behind a paywall.
Yes. Files are processed entirely in your browser — they never leave your device. Nothing is uploaded to a server, and nothing is stored after you close the tab.
You can merge PDFs up to 100MB combined. For optimal performance, keep total size under 50MB.
Yes. Process PDFs on iPhone, iPad, or Android directly in Safari or Chrome. Upload from your Files app and download the result straight back to your device. The interface adapts to small screens with thumb-friendly buttons and clear file previews.
You can merge up to 20 PDF files in a single operation. For larger batches, merge in groups of 20 and combine the results in a second pass.
Yes. After uploading, drag and drop the files into your preferred order. The merged PDF will follow the exact sequence you set.
No. Merging combines files without re-encoding. Each page retains its original resolution, fonts, and formatting.
Yes. Pages of different sizes (A4, Letter, custom) can be merged into a single document. Each page keeps its original dimensions.