Merge two or more PDF files into one: AltoMerge
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Altomerge is a simple web app which allows you to merge together two or more PDF files simply by uploading them.
Key features:
- Import PDF files from anywhere (HD, cloud, dropbox, Google Drive, etc.)
- See first page preview of each PDF imported
- Drag and drop imported PDFs in the order you want
- Easy-to-use
- No registration required
100% free.
My comment: Very handy utility provides a simple and effective solution to a common need, at zero cost. Highly recommended.
Try it out now: https://www.altomerge.com/