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How to Merge PDF Files into One Document

Combining multiple PDF documents into a single file is something that comes up constantly in both personal and professional settings. You might need to merge separate chapters into a complete report, combine scanned pages into one document, or consolidate invoices for your records. Our Merge PDF tool makes this process fast and straightforward.

Simple Drag-and-Drop Merging

Using our PDF merger is as easy as selecting your files and clicking one button. Upload two or more PDFs, and the tool will combine them in the order you added them. The merged document contains every page from every file, preserving the original formatting, fonts, images, and layout of each page exactly as they appeared in the source documents.

Preserves Original Quality

Unlike some merge tools that re-encode your PDFs (which can reduce quality), our tool directly copies pages from the original documents into the merged file. This means there's zero quality loss — the pages in your merged PDF are identical to the originals. Links, bookmarks, and other PDF features within individual pages are also preserved.

Common Merge Scenarios

Students often merge assignment pages, reference materials, and cover sheets into a single submission document. Business professionals merge contracts, proposals, and supporting documents for clients. Accountants combine receipts, invoices, and expense reports into consolidated records. Lawyers merge case documents, evidence files, and legal briefs for filing.

Need the opposite? Use our Split PDF tool to extract individual pages from a document. You can also compress the merged PDF if the combined file is too large for your needs.

Merge PDF — Common Questions

There's no hard limit from our end. You can merge as many PDFs as your browser's memory allows. For typical documents, merging 20 to 50 files at once works well on most devices.
The files are merged in the order you add them. To control the order, simply add them in the sequence you want. You can also clear and re-add files if you need to rearrange.
Encrypted or password-protected PDFs cannot be merged unless they are first unlocked. You'll need to remove the password protection using another tool before merging.