PDF Tools
PDF Merge
Merge multiple PDF files into one document. All processing happens in your browser — your files never leave your device.
Drop your PDF files here
or click to browse — PDF files supported
Why merge PDF files online for free?
Combine multiple PDF files into a single document instantly — all processed locally in your browser with no uploads and no registration.
Drag & Drop Reordering
Reorder files by dragging before merging. Put pages in exactly the order you want.
Batch Merge
Merge unlimited PDF files at once. No limits on the number of files you can combine.
100% Private
All merging happens in your browser. No files are uploaded to any server — your documents stay private.
Frequently Asked Questions
- How many PDFs can I merge?
- There is no limit. You can merge as many PDF files as you need into a single document.
- Does merging affect PDF quality?
- No. Merging PDFs preserves the original quality of all pages. No content is modified during the process.
- Is there a file size limit?
- There is no file size limit. However, very large files may use more memory in your browser. The tool processes files locally.