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Merge PDF

Combine multiple PDF files into one — fast and private, in your browser.

100% private — your PDFs are merged in your browser and never uploaded.

Why you’ll love Merge PDF

Instant & freeNo signup, no paywall, no limits — Merge PDF works the moment the page loads.
Completely privateEverything runs in your browser. Nothing you enter is ever uploaded or stored on a server.
Works on any deviceFully responsive and touch-friendly — use it on your phone, tablet or desktop.
Never uploadedYour files are processed entirely in your browser — they never touch a server.

How to use it

  1. 01

    Open it

    No download and no login — the tool is ready right at the top of this page.

  2. 02

    Use it

    Enter your details or start interacting. Everything updates live as you go.

  3. 03

    Get your result

    Copy, download or share your result in a single tap. That’s it.

About Merge PDF

This free merge PDF tool combines two or more PDF files into a single document directly in your browser. Nothing is uploaded: your files are read locally and their pages are copied into a new PDF on your own device. That matters when you are merging contracts, bank statements, medical records or ID scans — documents you would never want sitting on a stranger's server.

The merge is lossless. Instead of re-printing or re-rendering pages, the tool copies each page object — text, fonts, images and vector graphics — unchanged into the combined file, so the merged output looks pixel-identical to the originals and text stays selectable. Files are joined top-to-bottom in the order they appear in your list: add them in the sequence you want, or remove a file and re-add it to move it to the end.

Because everything runs client-side, there are no page-count caps, no watermarks stamped on your pages, and no email-gated download links. Pick your PDFs, press merge, and the combined merged.pdf downloads instantly. Once the page has loaded, it even works with your internet connection switched off.

Popular uses

  • ✦ Combine pages scanned with a phone scanner app into one document
  • ✦ Merge invoices and receipts into a single PDF for an expense report
  • ✦ Join application documents — forms, ID scans, statements — for visa, loan or job submissions
  • ✦ Assemble separately exported chapters or reports into one deliverable
  • ✦ Combine e-tickets, hotel bookings and itineraries into one travel PDF

Frequently asked questions

Does merging PDFs reduce their quality?
No. The tool copies each page's underlying objects — fonts, images and vector graphics — into the new file rather than rasterizing pages into pictures. Text remains selectable and searchable, images keep their original resolution, and the merged file size is roughly the sum of the inputs. Nothing is recompressed.
How do I control the order of the merged pages?
Files are merged top-to-bottom in the order shown in the list, and pages inside each file keep their original order. Add your files in the sequence you want them to appear; if one is in the wrong place, remove it and re-add it so it drops to the end of the list.
Can I merge password-protected or scanned PDFs?
Scanned PDFs merge fine — to the tool they are simply pages containing images. Password-protected (encrypted) PDFs cannot be opened without the password, so they will trigger an error; remove the password first (open the PDF with the password and re-save or print-to-PDF), then merge.
Is there a limit on file size or the number of PDFs?
There is no artificial limit — no page caps or daily quotas. The practical ceiling is your device's memory, because the whole merge happens in the browser. Documents totalling hundreds of pages merge comfortably on a modern phone or laptop; extremely large scans (hundreds of megabytes) may take longer or fail on low-memory devices.
Why do I get "make sure all files are valid PDFs" when I merge?
One of the selected files is corrupted, encrypted with a password, or is not really a PDF — a common case is another file type renamed with a .pdf extension. Remove files one at a time and retry to find the culprit, then re-export that document as a fresh PDF.
Is Merge PDF free to use?
Merge PDF is 100% free — no signup, no watermarks and no usage limits. It’s one of 200+ free tools we build and give away.
Are my files uploaded anywhere?
No — everything happens locally in your browser, on your device. Your PDFs and images never leave your computer, so even sensitive documents stay completely private.

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