PDF Merger
FreeCombine multiple PDF files into a single document. Drag to reorder, then merge and download.
Combine multiple PDF files into one document directly in your browser. Add your PDFs, arrange them in the order you want, then merge them into a single file for download.
PDF merging is useful when separate reports, scanned documents, forms, invoices or other files belong together and are easier to share or store as one document.
The order of the uploaded files determines the order of pages in the merged PDF, so review the sequence before creating the final document.
Input
Drop PDFs to merge
Drag & drop or browse files
PDF files only · Up to 20 files · Max 100 MB each
Max size: 100 MB · Up to 20 files
Settings
Merge order
Files are merged top-to-bottom. Use the arrows to reorder.
Result
No output yet
Add at least 2 PDFs and click Merge
How it works
Upload PDFs
Add two or more PDF files — up to 20 files, with a maximum size of 100 MB per file.
Reorder files
Arrange the PDFs in the order you want them to appear in the merged document.
Merge & download
Merge the selected PDFs into one document, review the result and download the combined file.
Why use this tool?
Combine related PDFs
Join reports, forms, scanned documents or other related PDFs into one file so they are easier to share, submit or archive together.
Control document order
Reorder the uploaded files before merging so sections appear in the exact sequence you want in the final PDF.
Keep each PDF's page sequence
Pages from each source PDF stay together in their existing order while the documents are combined according to the file sequence you choose.
Merge in your browser
The PDFs are processed locally in your browser, so they do not need to be uploaded to a server just to create the merged document.
When Should You Merge PDF Files?
Reports and attachments
Combine a main report with supporting appendices, charts or reference documents when they need to be delivered as one PDF.
Scanned paperwork
Merge separately scanned forms, receipts, signed pages or records into one ordered document for storage or submission.
Applications and submissions
Join multiple required PDFs when a school, employer, government portal or other recipient asks for one combined document.
Project and client files
Group related proposals, contracts, notes or deliverables into a single PDF so the recipient does not need to manage several separate files.
Understanding PDF Merge Order and Page Structure
A PDF merger combines entire PDF documents into one new file. The final page sequence is determined first by the order of the source PDFs and then by the existing page order inside each source file.
For example, if PDF A contains 3 pages and PDF B contains 2 pages, placing A before B creates a 5-page merged document with all three pages from A followed by the two pages from B.
Reordering the files changes where each document appears in the merged result. It does not rearrange pages inside an individual source PDF unless the tool specifically provides page-level reordering.
What PDF Merging Changes — and What It Does Not
What merging changes:
Merging creates a new PDF that contains the pages from the selected source documents in one file.
What merging does not automatically do:
Merging does not automatically:
- compress the PDF
- split or remove pages
- edit text inside the source files
- reorder pages within a source PDF
- convert scanned text into searchable text
- remove passwords or encryption
PDF Merger vs Other PDF Tools
PDF Merger
Use PDF Merger when you already have multiple PDF files and want to combine them into one document.
PDF Splitter
Use PDF Splitter when you want to extract specific pages or divide one PDF into smaller files.
PDF Compressor
Use PDF Compressor when your main goal is to reduce PDF file size rather than combine documents.
Image to PDF
Use Image to PDF when your source files are JPG, PNG or WebP images and you want to place them into a PDF document.
Supported PDF Limits and Requirements
The merger accepts PDF files only.
Maximum number of files: 20 PDFs per merge
Maximum file size: 100 MB per PDF
At least two PDF files are required to create a merged document.