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Merge PDF

Combine several PDF files into one, in any order you like, without uploading anything.

🔒 Runs in your browser — files never leave your deviceFree · No sign-up
Drop PDF files here or click to pick them — add as many as you need

    No files yet.

    Drag a row to move it, or use the arrows. The top file comes first in the merged PDF.

    How to merge PDF files

    1. Drop or pick the PDF files you want to join — the page count of each one shows up next to its name.
    2. Drag the rows (or tap the arrows) until the order matches what you want; “Sort by name” is handy for scanned chapters.
    3. Press Merge PDFs and download merged.pdf.

    FAQ

    Are my files uploaded anywhere?

    No. The merge runs inside your browser with pdf-lib, so the documents never leave your device — you can even run the tool with the network switched off after the page has loaded.

    Is there a size or file-count limit?

    Only your device's memory. A few hundred megabytes of PDFs is normally fine on a laptop; on a phone keep it to a handful of files at a time.

    Why does one of my files fail to load?

    Password-protected PDFs cannot be copied without the password. Remove the password first with the Unlock PDF tool, then merge.

    Split PDFHOT Split a PDF into single pages, into custom page ranges, or into chunks of N pages — download them as a ZIP. Rotate PDF Turn sideways or upside-down PDF pages the right way up — rotate every page or just the ones you pick. Delete PDF Pages Remove blank, duplicate or unwanted pages from a PDF by ticking thumbnails or typing a page range. Rearrange PDF Pages Drag PDF page thumbnails into a new order, reverse the whole document, and save the reordered file. Extract Images from PDF Pull every embedded photo, logo and scan out of a PDF and save them as PNG files, one by one or as a ZIP. Add Page Numbers to PDF Stamp page numbers onto a PDF — choose the corner, the starting number, the size and the format. PDF Watermark Stamp a text or image watermark across every PDF page — set the colour, opacity, angle and tiling. Compress PDF Shrink a PDF for email or upload — a lossless clean-up first, then optional image quality presets.

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