Merge PDFs

Worth knowing

• The file never leaves your computer. Every one of these tools runs inside your browser. Nothing is uploaded, so there is no copy on a server, nothing to delete afterwards and no queue of other people’s documents next to yours.
• Pages are copied, not re-rendered. The page objects are moved into the new document as they are, so text stays selectable, images keep their original resolution and nothing is recompressed. A merged file is as sharp as the files that went into it.
• No file or page limit. Because the work happens on your own machine there is no upload cap and no free-tier page limit. The practical ceiling is your computer’s memory.
• A password-protected file has to be unlocked first. An encrypted PDF cannot be read until the password is removed. Unlock it first, then merge.

When to use it

• Combining scanned receipts into one file for an expense claim.
• Putting a cover letter, CV and certificates into a single PDF for an application portal that accepts one upload.
• Joining the separate chapters of a report into one document before sending it to a client.

Questions

Does merging PDFs reduce quality?

No. Pages are copied into the new file as they are, without re-rendering or recompressing, so text stays selectable and images keep their resolution.

Is there a limit on how many files I can merge?

There is no file or page cap. The work happens on your own computer, so the practical limit is its memory.

Can I merge password-protected PDFs?

Not until the password is removed. Unlock the file first, then merge it.