PDF Merger — Combine PDFs Free Online
Merge multiple PDF files into one document instantly. Drag to reorder, preview thumbnails, and download your merged PDF — 100% free, no signup required.
Frequently Asked Questions
- Is it safe to merge PDFs online?
- Yes. Your files are processed in memory on our servers and are never stored or shared. All data is permanently deleted immediately after your download.
- How many PDF files can I merge at once?
- You can merge up to 20 PDF files in a single operation, with each file up to 50 MB in size.
- Will merging PDFs reduce the quality?
- No. We use lossless merging — fonts, images, vector graphics, and all formatting are preserved exactly as in the original files.
- Can I change the order of files before merging?
- Yes. On desktop, drag the rows into your preferred order. On mobile, use the up and down arrow buttons on each file row.
- Is the PDF merger completely free?
- Yes, completely free with no hidden limits, no watermarks, and no account required.
Files are processed securely and permanently deleted after download. Never stored or shared.