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Merge PDF files

Marksheets, certificates and ID in a single PDF, the way the form asks for it.

PrivateNo uploadsRuns in your browser

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No file handy?

Two school boys hugging and laughing

For every application

One file for the whole application.

Admission day. Marks, ID and photo go in as one neat file.

BeforePrint, staple, scan again

With sdevDrop the files, get one PDF

  • A smiling man standing in front of a happy group

    Event sign-up

    All the forms join up, so the fun can start sooner.

  • A group of friends standing close and smiling

    Trip papers

    Tickets and bookings for the whole group in one place.

How to merge PDF files

  1. Add the PDFs

    Choose files or drop them on the box. Each row shows the page count once the file is read.

  2. Order and pick pages

    Use the arrows to reorder. To take only some pages from a file, type a range such as 1-3, 5 in its pages box.

  3. Merge and download

    Press Merge. The result is ready in a moment with a Download button.

Good to know

  • The same file can be added twice to repeat pages, for example a cover sheet before every section.
  • A range can be open ended: 4- takes page 4 to the end.
  • Form fields and bookmarks from the source files are not carried over; page content, links and images are.
  • Large scans merge fine; the work runs in the background so the page stays quick.

Where people use it

  • KYC papers in one file

    Join Aadhaar, PAN and address proof into one PDF for a bank, loan or SIM form.

  • Job application in one go

    Put your resume, mark sheets and experience letters together so the portal takes a single file.

  • Only the pages you need

    Type a page range for each file, such as 1-2, and leave out cover pages and blank sheets.

  • Photos first, then merge

    Have a photo of a certificate? Turn it into a PDF first, then join it with the rest.

    Image to PDF

  • Too big after joining

    If the merged file is over the upload limit, make it smaller next.

    Compress PDF

Why this one

You can choose which pages to keep from each file while you merge, and the joining happens on your own device.

  • Drag the files into the order you want.
  • Pick page ranges from each file.
  • Your ID papers never leave your device.
  • No watermark, no sign-up, works on phones.

What you can change

  • File order
  • Page range for each file

People find this page by searching

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Cite this tool
  • APA
    sdev.in. (n.d.). Merge PDF [Web tool]. https://www.sdev.in/tools/pdf-merge
  • MLA
    "Merge PDF." sdev.in, https://www.sdev.in/tools/pdf-merge.
  • Chicago
    sdev.in. "Merge PDF." https://www.sdev.in/tools/pdf-merge.
  • BibTeX
    @misc{sdev-pdf-merge,
  title = {Merge PDF},
  author = {{sdev.in}},
  howpublished = {\url{https://www.sdev.in/tools/pdf-merge}},
  note = {Web tool}
}

Questions people ask

How do I merge PDF files into one?

Add the files, put them in order with the arrows, and press Merge. The combined PDF downloads as merged.pdf. Everything happens in your browser.

Can I take only some pages from a file?

Yes. Type a selection such as 1-3, 5 or 8- in the pages box next to that file. Leave it empty to take every page.

Does merging change the quality?

No. Pages are copied as they are, with their fonts, images and links. The output is about the size of the inputs added together.

Why does a file say password protected?

Files that need a password to open cannot be read. Open it with Unlock PDF first, using its password, then add the unlocked copy.

Can I merge PDF files on my phone?

Yes. It works in the browser on Android phones and iPhones. Pick the files from your phone's files or downloads, set the order with the arrows and save the merged PDF to your phone.

The merged PDF is too big to send. What can I do?

Merging keeps every page at full quality, so the result is as big as the files put together. Open the merged file in Compress PDF to make it smaller before you email it or upload it to a form.

Are my PDF files uploaded?

No. Every step runs inside your browser with the pdf-lib and pdf.js libraries. Files never leave your device, there is no size or count limit beyond your computer's memory, and nothing is stored when you close the tab.

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