PDF Merge
Free online pdf merge that runs entirely in your browser.
How the PDF Merge works
The PDF Merge works on Choose file and shows the result as you type. The same input always gives the same answer — refresh the page and you will see exactly the same figure, and nothing you type is sent anywhere.
Formula used
PDF Merge is computed by the formula below, using the inputs you provide.
Inputs used: Choose file.
Worked example
Run the tool above with your own file — the result is a direct download, so there are no numbers to show here.
Frequently asked questions
- Is the PDF Merge free?
- Yes. There is no signup, no usage limit and no watermark — the generator runs entirely in your browser.
- Does the PDF Merge store or send my data?
- No. Every calculation happens locally in the page, so the numbers you type are never uploaded or logged.
- Does it work on a phone and offline?
- Yes — the page is a single lightweight file that adapts to any screen size. Once it has loaded it keeps working without a network connection.
- What inputs does the PDF Merge need?
- Choose file. Change any of them and the result updates instantly.