Merge PDF
Combine multiple PDF files into a single unified document in your preferred order. 100% private, instant, and free.
📖 How to Use Merge PDF
Follow these simple steps to achieve fast and accurate results.
Upload PDF Files
Select or drag 2 or more PDF documents (up to 50MB each) into the upload area.
Arrange Document Order
Use the Up and Down arrow buttons to arrange documents in your exact desired sequence.
Merge Documents
Click "Merge PDFs into 1 File" to compile all document streams into one file.
Download Merged PDF
Instantly download your combined PDF with all pages, fonts, and graphics preserved.
💬 Frequently Asked Questions
Got questions about Merge PDF? Here are the most common answers.
Are my private documents uploaded to any remote server?▼
No. All PDF processing happens 100% locally inside your web browser sandbox using pdf-lib. Confidential legal and business documents never leave your computer or phone.
Is there a limit on how many PDFs I can merge?▼
You can combine dozens of PDF documents. Because compilation runs client-side, there are no queue delays or file count restrictions.
Will the original quality or formatting change?▼
No. The merger transfers raw PDF page object streams directly, preserving vector graphics, embedded fonts, resolution, and hyperlinks perfectly.
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