For Students and Job Seekers
When applying for jobs or submitting academic documents, you often need to combine multiple files — a resume, cover letter, certificates, and transcripts — into a single PDF. Many application portals only accept one file upload, so merging is essential. Our tool lets you combine all your documents quickly without installing any software or creating an account.
For Business and Office Work
In professional settings, you frequently need to combine reports, invoices, contracts, or presentation materials into a single file for sharing with clients or stakeholders. Rather than sending multiple email attachments, merging PDFs creates a clean, professional document package. Since FastConvert processes everything locally, your confidential business documents remain completely private.
How Does PDF Merging Work?
Our tool uses the PDF-lib library to read each PDF file's internal structure and combine them page by page into a new document. The original formatting, fonts, images, and links in each PDF are preserved exactly as they are. The resulting merged file contains all pages from all input files, arranged in the order you specify.