Merge PDFs into one file
Combine two or more PDF files into a single document in seconds. Add files in any order and merge them instantly. Free, secure, no account required.
PdfDocShift › Merge PDF
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Combine multiple PDFs into one
Add two or more PDF files in the order you want them combined, then click Merge. PdfDocShift stitches them together using pdf-lib — a fast, accurate PDF engine — and delivers a single, seamless PDF ready to download. Ideal for assembling reports, contracts, portfolios and more.
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No sign-up required. Files are encrypted in transit and auto-deleted after 2 hours.
Merge PDF questions
Everything you need to know about using Merge PDF online for free.
You can merge up to 20 PDF files at once. Add files in the order you want them to appear in the merged PDF. Each file can be up to 50 MB.
Yes. Files are merged in the order they appear in the list. Add them in the desired sequence, or remove and re-add a file to change its position.
Yes. Text, images, links, annotations and bookmarks from each source PDF are preserved in the merged output.
Each individual file must be under 50 MB. There is no limit on the total combined size, but very large merges may take longer to process.