Combine PDF

Combine multiple PDF files into one PDF file quickly.

Choose file

You can rearrange the order by drag and drop after adding the file.

File Uploading 65

This is an encrypted file

This file is encrypted by open password, we can't get access to the content. Please enter the correct open password, and try to convert it again.

This file is encrypted, please select another file or use the Unlock PDF function.

The selected file is too large.

Please select a file less than 20 MB. Or purchase CleverPDF for Windows, convert larger files without limitations.

Not a normal file

This file may be damaged or not a normal PDF file. Please try another PDF.

Incorrect input format

The file format you selected is not supported by this feature, please select the correct input format.

Please add at least 2 files

Multiple files not supported

Please upload one file only, this feature does not support multiple files.

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Desktop version: 24-in-1 CleverPDF for Windows

More productive way for PDF to Word conversion and other 24 PDF tasks. Desktop version doesn't require the Internet Connection, support batch processing and larger files.

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Desktop version: 20-in-1 CleverPDF for Mac

More productive way for PDF to Word conversion and other 20 PDF tasks. Desktop version doesn't require the Internet Connection, support batch processing and larger files.

Free Download Learn More

Merge multiple PDF files into one PDF

Simply add the PDF files you want to merge, then drag and drop file thumbnails to change the order of the files. Click 'Combine files' button, the PDF files will be uploaded and combined into one PDF file instantly. You can download the output file right away.

Super handy Online PDF Merger

This free online PDF merger helps you easily combine two or more PDF files into one file within a few clicks, you don't need to sign up or download any software. It runs very fast, it takes only a few seconds to combines dozens of PDF files into one.

Merge PDF securely

The files are transferred via the secured SSL connection, and your uploaded PDF files and the combined PDF file will not be accessed by anyone. They will be erased from the server after 30 mins automatically. It's a safe way to merge PDF files.

Cloud service, universal access

You can use this online PDF merging service anywhere, regardless you are using Windows, Mac, Linux, iOS or Android. All you need to do is open the webpage in your web browser, and you can combine PDFs anywhere, anytime.

How to Combine PDF Online?

Drag multiple PDF files to the file areas, or select the files using the 'Choose Files' button.
Drag the PDF thumbnails to adjust the order before combining them into one PDF.
Click 'Start Conversion' button to merge all the uploaded files into one.
Download the combined PDF file by clicking the 'Download File' button after processing.