📎 PDF Merger
Free online PDF merger. Combine multiple PDF files into one. Drag to reorder. Pure client-side processing, no file upload. Batch merge with original formatting preserved.
Click to upload PDF files or drag & drop
Multiple PDFs supported, drag to reorder
Merging PDF files...
📖 How to Use
1. Upload PDFs: Click or drag & drop multiple PDF files. Batch selection supported.
2. Reorder files: Drag file cards to adjust merge order. Top files come first.
3. Merge & download: Click 'Merge PDFs', wait for processing, then download.
❓ Frequently Asked Questions
Does PDF Merger upload my data to a server?
No. PDF Merger uses client-side processing — everything runs in your browser. Your data never leaves your device, and the tool works even without an internet connection.
Is my data safe when using PDF Merger?
Absolutely. Everything runs locally: PDF Merger and other values are processed on your device, never sent to a server. No data is sent to any server, so there's zero risk of data leaks. Your information stays completely under your control.
Are there any usage limits for PDF Merger?
PDF Merger has no usage limits — it's free and unlimited. Since processing is done client-side, speed depends on your device. For very large files, we recommend processing in batches for the best experience.
Do I need to install any software?
No. PDF Merger is a web-based tool — just open it in your browser and start using it. No downloads, plugins, or extensions required.
Can I use PDF Merger on my phone?
Yes. PDF Merger is fully responsive and works on phones, tablets, and desktops. The interface adapts automatically to your screen size.
Will the PDF quality decrease after processing?
We preserve original quality whenever possible. For compression, you can choose the compression level to balance file size and quality.