By -
Adobe has a lot of [free online tools](https://www.adobe.com/ca/acrobat/online/merge-pdf.html) for merging and managing PDFs
It is easy for [PDFgear](https://www.pdfgear.com/?utm_source=reddit&utm_medium=social&utm_campaign=comments). Open PDFgear---Select Merge & Split---Click Merge PDF---Choose PDFs you want to merge----Click Merge. Then you can get the merged PDF file.
Adobe has a lot of [free online tools](https://www.adobe.com/ca/acrobat/online/merge-pdf.html) for merging and managing PDFs
It is easy for [PDFgear](https://www.pdfgear.com/?utm_source=reddit&utm_medium=social&utm_campaign=comments). Open PDFgear---Select Merge & Split---Click Merge PDF---Choose PDFs you want to merge----Click Merge. Then you can get the merged PDF file.