Combine multiple documents into one. Drag and drop to reorder files.
or drop PDF files here
Processing is done on your device. Your documents never touch our servers.
Developed by Rajani Kanta Dolai.
In a busy digital workspace, having fragmented PDF files can be a major productivity roadblock. Whether you're combining invoices for your accountant, merging chapters for an ebook, or bundling project reports for a client, our **PDF Merger** provides a seamless, secure, and professional solution. Presentation matters, and a single, well-organized document is always better than a folder full of scattered files.
Merging PDF files is more than just a convenience—it's a standard of professional digital communication. Instead of sending ten individual attachments that can get lost in an email thread, you can send one comprehensive file that ensures your recipient sees the information in the exact sequence you intended.
UniFile Hub operates on a **Client-Side Processing** model. Traditional online converters require you to upload your sensitive legal contracts or personal data to their cloud storage. With our tool, all binary manipulation happens within your browser's RAM, meaning your files are never exposed to the web.
We leverage the industrial-grade **PDF-Lib** library to perform deep document manipulation. When you trigger a merge, our engine parses the internal catalog of each selected PDF, copies the page references into a new document structure, and generates a fresh binary blob. This method preserves original metadata, font embeddings, and image resolutions, ensuring the output quality matches the input perfectly.
UniFile Hub: Empowering productivity through secure, free, and private web utilities. Built with passion by Rajani Kanta Dolai.