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Merge PDF File Online Free | WorkinTool PDF Merger & Combiner

Easily and quickly merge two or multiple PDF files into one with high quality and zero cost.
Only support uploading each file within 0.5 MB
Add at most 4 PDF files at one time
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Select file or drop file here
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How to Merge PDF Files Online for Free

First Step
Click the + button or drop your PDF file to WorkinTool.
Second Step
Tap the + button to add more PDF files.
Third Step
Press the Convert button to start PDF merging.

Tips for Joining PDF Files Together

  • 1. To get a better merging outcome, you'd better rearrange PDF pages before combining.
  • 2. The merged PDF file will be organized based on the insertion order and cannot be changed afterward, so please upload PDF files in your desired sequence.
  • 3. If your PDF is password-protected, you'd better unlock PDF in advance to avoid entering the permission again when adding PDF files to WorkinTool.
  • 4. It's preferable to notify the maximum limits of WorkinTool PDF Merger & Combiner: uploading each file within 0.5 MB & up to 4 PDFs at a time.
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Why Choose WorkinTool to Merge PDF Online?

100% Free and Ad-Free to Join PDF Files
100% Free and Ad-Free to Join PDF Files
WorkinTool PDF Merger & Combiner promises to provide 100% free online services to help everyone combine two or multiple PDF files into single PDF. And there is no hidden cost, so that you can use it with no worries. Furthermore, no pop-up ads appear to distract you from merging PDF files together.
Merge PDF to PDF with High Quality
Merge PDF to PDF with High Quality
WorkinTool will not alter any text, fonts, images, or formatting of original PDF files after merging. Moreover, the newly-merged PDF document will not have any blur or quality loss, which looks the same as before. Try WorkinTool now to experience merging PDFs with high quality.
Easily and Safely Combine PDF Files
You have no need to worry about your privacy and data security in WorkinTool. Because WorkinTool will automatically delete your uploaded files from the cloud service within 24 hours. Moreover, with a clear interface, every one can effortlessly combine files into one PDF without downloading software or any tech help.

Bonus: How to Combine PDF Files Offline Free

Way 1. Merge and Combine PDF Files on Windows

If you want a faster merging speed without quantity limits, WorkinTool PDF Converter offline version is something you must have. You can easily add unlimited PDF files and merge them into single PDF in seconds. Let's check how to make it with WorkinTool together.

  • Step 1. Download WorkinTool PDF Converter offline for free. Then go to Tool Box > Merge PDF to insert your PDF file.
  • Step 2. Click Add file to insert more PDF files you want to combine together without quantity restriction.
  • Step 3. Hit the Convert button to perform the PDF merging process. Within seconds, you can get what you want.
  • Try It Now >>
Way 1. Merge and Combine PDF Files on Windows

Way 2. Combine Multiple PDFs into One on Mac

If you like to join PDF files into one document on Mac, Adobe PDF combiner deserves your try. Adobe Acrobat is one of the most professional and comprehensive PDF joiners and converters. You can easily combine PDF to PDF, merge JPG to PDF, and join other file formats to PDF with Adobe.

  • Step 1. Launch Acrobat and then click Tools > Combine files.
  • Step 2. Tap Add Files button to select wanted PDF files or JPG images.
  • Step 3. Hit Combine Files button to start PDF combination. At last, go to File > Save to keep the changes.
  • Reference to: Adobe Support

Way 2. Combine Multiple PDFs into One on Mac

Desktop Software VS Online Tool

Desktop Software
Free Download For Win 11/10/8/7
Data privacy and information security are ensured
Faster merging speed and better quality outcome
Provide 20+ PDF tools before the combination
No limitations to file quantity and use times
Merge PDF files offline without network
No ads or watermarks
Upload each file with 0.5 MB for free
Online Tool
Explore Now
No need to download any software to combine PDF
Remove uploaded files permanently after 24 hours
Three steps to join PDF files together
Stable merging speed
Outstanding exporting quality
Only four PDF files at a time to combine
The maximum size of each uploaded file is 0.5 MB

Words after: Why Should I Merge PDF Files Online

More Convenient
More Convenient
Using online PDF merger tools like WorkinTool, you can easily merge two or multiple PDF files together on any device, like Mac, Windows, iPhone, Android, etc. As long as the network connects, you can access to the online page to combine PDF files for free.
Easier to Manage Files
Easier to Manage Files
By combining PDF files into one, you can easily organize and manage important files in one PDF, making it easier to find them for later use.
Quickly Send PDF Files
Quickly Send PDF Files
If you want to share various PDF documents with your friends, it's more quick and efficient to merge files into one PDF and send the combined PDF file.

People Also Ask

How can I merge PDFs offline?
If you want to merge two or more PDFs together offline, WorkinTool PDF Converter can make it faster and simpler.
  • Firstly, navigate to Tool Box > Merge PDF to select your PDF file.
  • Secondly, tap Add file to insert more PDF files you want to join together.
  • Lastly, click Convert button to start.

There are many excellent PDF mergers and combiners online for free. And below lists some of the best online free PDF joiners.
  • WorkinTool PDF Merger & Combiner online
  • Smallpdf
  • iLovePDF
  • Adobe PDF Combiner Online
  • Soda PDF
  • PDF2GO

How to merge JPG to PDF for free?
If you want to merge JPG/JPEG to PDF for free, WorkinTool PDF Converter can greatly help you. Moreover, you can merge PNG, GIF, Word, Excel, and PPT to PDF as well. Let's check how to convert JPG to PDF and merge them with WorkinTool.
  • Firstly, click Convert to/from PDF > Image to PDF. Then select the prepared JPG/JPEG images and press Convert to create a PDF from JPG/JPEG image.
  • Secondly, go back to the home page and find Tool Box > Merge PDF to upload your PDF images.
  • Lastly, tap Convert button to merge JPG to PDF in a flash.
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PDF Merger/Combiner

Merge PDF Online Free!
Instantly merge PDFs into one while keeping the original quality with WorkinTool PDF Merger & Combiner online tool. Moreover, you can convert JPG/Word/Excel to PDF and merge them into one PDF file in WorkinTool online. Just try it out now!
Free Download For Win 11/10/8/7