How to Merge PDF Files — Free, In-Browser
Quick answer: Drop your PDFs into Merge PDF, drag them into the order you want, then download the single combined file. It all happens in your browser — nothing is uploaded.
Whether you're assembling an application, stitching scanned pages back together, or bundling a report with its appendices, merging is one of the most common PDF chores. Because the whole job is just rearranging pages, it can run entirely in your browser — your documents never need to touch a server.
Steps
- Open the free Merge PDF tool.
- Drop in all the PDFs you want to combine.
- Drag the files into the order you want them to appear.
- Click Merge and download the single combined PDF.
Getting the page order right
Order matters, and it's the step people most often get wrong. The merged file follows the order of the list, top to bottom, so check the sequence before you export — it's much quicker than re-doing it afterwards. If a single source file has its pages in the wrong order internally, fix that file first, then merge.
Merging the opposite: splitting
Sometimes the real task is the reverse — pulling a few pages out of a big PDF rather than combining several. If that's what you need, use the Split PDF tool to extract or separate pages, then merge only the ones you want.
Everything runs in your browser — your documents never leave your device.