Is there a file size or page limit?

No hard page limit - 500+ page merges work fine. Very large files simply take longer to transfer and process.

What happens to my files after merging?

They're deleted automatically from our servers shortly after processing. We don't store, read, or share your documents.

Can I merge password-protected PDFs?

Not directly - remove the password first (you need to know it), then merge.

Will the merged file be bigger than the originals combined?

It's usually within 1-2% of the sum of the input sizes. If you need it smaller, run it through PDF Compress afterwards.

Can I rearrange pages from different files, not just whole files?

This tool orders whole documents. For page-level rearranging, split the files first with PDF Split, then merge the pieces in the order you need.

PDF Merge

PDF Merge helps when the next step is simple: combine separate files into one ordered result. It is built for quick fixes, checks, and downloads.

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Merge PDF Files Online

Combine two or more PDFs into a single document without installing anything. Files are transferred over an encrypted connection and deleted automatically after processing - nothing is stored, shared, or used for anything beyond the merge.

How to Use This Tool

1. Select File

2. Processing

3. Download File

What you can do with PDF Merge

PDF Merge combines separate PDF documents into one file, in the order you choose. Each source document keeps its original page size, quality, bookmarks and links - an A4 file merged with a US Letter file keeps both sizes.

When PDF Merge helps

Sending six separate attachments means someone opens them in the wrong order, misses one, or prints them out of sequence. One merged file scrolls in order, prints correctly, and looks intentional - which matters for job applications, invoice batches, and legal filings.

How the PDF is handled

Upload your PDFs, drag the thumbnails into order, and click Merge. The combined file is ready in seconds for typical documents; a 50-page merge usually takes under 10 seconds on a normal connection.

Common PDF Merge tasks

Combining 20-30 monthly invoices into one file for your accountant
Assembling CV + cover letter + certificates in the order an employer asked for
Rejoining scanned batches that your scanner split into multiple files
Merging quarterly reports into a single annual document
Grouping receipts for an expense claim

Why this PDF tool is handy

One attachment instead of a zip folder
Original quality preserved - no recompression
Bookmarks and links survive the merge
Works the same for a 2-page invoice or a 500-page manual
No sign-up and no watermark

What is included

No cap on file count - merge 2 files or 200
Drag thumbnails to set exact page order
Mix A4, Letter, landscape and portrait freely
Keeps bookmarks and internal links from each source file
Form fields and existing signatures stay on their pages
No recompression - scanned pages don't get blurrier
Encrypted transfer, automatic file deletion

"Merging keeps related documents together without touching their content. If you need to remove pages first, use PDF Split; if the result is too large to email, compress it afterwards."

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