Merge PDF – Combine PDF Files
Combine several PDFs into one file in the order you want — right in your browser, no upload.
Upload PDF Files to Merge
Drag & drop your files here, or click to browse
Drag the files (or use the arrows) to set the order. rotates all pages of that file.
Your merged PDF is ready!
How to Merge PDF Files in 3 Easy Steps
Combine PDFs into one document in seconds — no software and no account needed.
Add Your PDF Files
Click Choose PDF Files or drag your PDFs into the box. Add up to 50 files.
Put Them in Order
Drag the file cards (or use the arrows) into the order you want. Rotate a file if its pages are sideways.
Merge and Download
Click Merge PDFs, then Download PDF to save your combined document.
Why Use Toolszu Merge PDF
The quick, private way to put PDFs together.
100% Private
Your files are merged on your device and never uploaded — safe for contracts, bank statements and IDs.
Your Order
Drag and drop the files into any order before merging. See a preview and page count of every file.
No Quality Loss
Pages are copied exactly — text stays sharp and searchable, images keep full resolution.
Fix Sideways Files
Rotate any file before merging so every page faces the right way.
Fast
No upload or download wait — even large PDFs merge in seconds.
Free, No Watermark
No sign-up, no daily limit and nothing added to your document.
When to Merge PDF Files
One file is easier to send, upload and read.
Job Applications
Combine your CV, cover letter and certificates into one PDF.
Invoices and Statements
Put a month of invoices or bank statements into a single file for your accountant.
Contracts with Attachments
Join a contract with its annexes and signed pages.
Assignments and Theses
Merge chapters, cover page and appendix into one submission.
Visa and Loan Applications
Online portals often accept only one file — merge all your documents first.
Printing
Print many PDFs in one go instead of opening them one by one.
Tips for Merging PDFs
- Need to change single pages? After merging, use Organize PDF to reorder, rotate or delete individual pages.
- Merged file too big to email? Shrink it with Compress PDF.
- Have images too? Turn them into a PDF first with JPG to PDF, then merge.
- Password-protected files must be unlocked first with Unlock PDF.
Frequently Asked Questions
Quick answers about merging PDF files.
Add your PDFs on this page, drag them into order and click Merge PDFs. Then download the combined PDF. It's free, with no sign-up and no watermark.
Up to 50 PDF files, each up to 200 MB. There's no daily limit.
Yes. Drag the file cards, or use the arrow buttons under each card (easiest on phones).
No. Pages are copied exactly as they are — text stays text, images keep their resolution. Nothing is re-compressed.
No. Everything happens inside your web browser, on your own device. Your PDFs are never uploaded, stored or seen by anyone.
Page content, images and links on the pages are kept. Bookmarks (the outline) and fillable form fields from the original files may not be carried over.
Remove the password first with our free Unlock PDF tool (you'll need the password), then use the unlocked file.
Yes. It works in Safari, Chrome and other mobile browsers on iPhone and Android — no app needed.
Yes, it's 100% free. There's no sign-up, no premium version and no watermark or Toolszu logo added to your file.
Related Free PDF Tools
Split PDF
Extract pages or split a PDF
Organize PDF
Reorder, rotate and delete pages
Compress PDF
Reduce PDF file size online
Extract PDF Pages
Save chosen pages as a new PDF
Rotate PDF
Rotate PDF pages and save
JPG to PDF
Convert JPG photos to a PDF
Edit PDF Online
Change PDF text in the same font
PDF to JPG
Convert PDF pages to JPG images
Protect PDF
Add a password to your PDF
Ready to Merge Your PDFs?
Combine PDF files into one in seconds — free, private and without uploading.
Merge PDF Files