PDF · mergeMerge PDF online

Files are processed right in the browser and are not uploaded to a server.

The document never leaves your computer — fine for contracts and passports.

or drag the rows in the list above

Drop the files into the box on this page or pick them with the button — all at once is fine. Put the rows in the order you need by dragging or with the arrows, give the output file a name if you like and press Merge. A download button appears within seconds. Pages are carried over as they are, nothing is recompressed and the files never leave your computer.

Each row in the file list has a handle on the left and arrows on the right: drag a row with the mouse or move it one place up or down. By name sorts files alphabetically with numbers in mind — “2” goes before “10” — and Reverse flips the order. There is no need to rename files to “1_”, “2_” to get the right sequence.

No. Pages are copied with their content, but outline bookmarks and links leading from one document to another are not carried into the merged file: each source has its own, and they cannot be stitched together automatically. External links to websites inside the pages usually keep working. If bookmarks matter, it is easiest to add them again in a PDF viewer.

Because pages are carried over without fitting: an A4 document stays A4 and a landscape drawing stays landscape. That is deliberate — scaling would spoil drawings and small text. If you need one format, save the awkward file as pictures and rebuild it on the JPG to PDF page with an A4 sheet: each picture fits the sheet whole.

There is no hard limit on the number of files: merging happens in your device's memory, so the limit is that memory, not a pricing plan. Dozens of ordinary documents merge in seconds. The heaviest are scans of a hundred megabytes each, since every one is read into memory whole. On a phone it is sensible to merge 10–20 files and merge the result again if you need more.

Open the page in the phone's browser, tap Choose PDF and select the files in Files or Downloads. Dragging rows with a finger does not work everywhere on phones, so every row also has up and down arrows. The result is saved to the browser's downloads. There is no app to install, and the document is not sent to a server — just as on a computer.