Last updated on
May 25, 2026
Mix PDF For Free
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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
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Discover the simplicity of processing PDFs online
Upload your document in seconds
Fill out, edit, or eSign your PDF hassle-free
Download, export, or share your edited file instantly
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Every PDF tool you need to get documents done paper-free
Create & edit PDFs
Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
Fill out & sign PDF forms
Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
Organize & convert PDFs
Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
Collect data and approvals
Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
Export documents with ease
Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
Store documents safely
Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.
Customer trust by the numbers
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4M
PDFs edited per month
9 min
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Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.
Top-rated for ease of use
Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.
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Enjoy peace of mind with an award-winning customer support team always within reach.
What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
It's easy to use, never tried it anyone can do it, thank you
2015-02-25
It takes a minute to get use to but I think I'm getting it. Trying to use to send files to the government.
I was trying to figure out how to just save a pdf filled out.... there are so many pop up windows.
2019-02-06
a great product. I had a very limited need for it at this time. will come back again if I need this in the future.
2020-01-05
What do you like best?
Simple to fill out and easy to understand for the most part
What do you dislike?
I was unable to prefill a document and use it for several people by saving each name as a different document.
Recommendations to others considering the product:
Please make saving multiple documend easier
What problems are you solving with the product? What benefits have you realized?
PDFfiller is a must have for our business
Simple to fill out and easy to understand for the most part
What do you dislike?
I was unable to prefill a document and use it for several people by saving each name as a different document.
Recommendations to others considering the product:
Please make saving multiple documend easier
What problems are you solving with the product? What benefits have you realized?
PDFfiller is a must have for our business
2019-02-25
Pretty easy to use!
Pretty easy to use!Update: Been using this a while now, only down side is that when you blank off certain information, save the file and open it to check, for a very brief second all the old information flashes up.
2020-02-09
good selection
good selection, prompt delivery
2019-08-24
Pretty easy but I need some assistance to take full advantage
2021-09-02
I happened upon your company. I filled out a form for Transfer on Death for Minnesota. I paid but then had trouble getting back in. Turned out file was corrupted. Got great help and got it to work.
2021-04-18
I love this app as a small business and…
I love this app as a small business and the hard situation that we are living with this pandemic, make my job much easier..
2021-01-13
Powerful Mix PDF Feature for Effortless File Manipulation
Introducing our Mix PDF feature, an easy-to-use tool that will revolutionize the way you handle your PDF files.
Key Features
Seamlessly merge multiple PDF files into a single document
Effortlessly rearrange the order of pages within a PDF
Combine PDF files with different orientations or page sizes
Intuitive drag and drop interface for a hassle-free experience
Preview and customize the merged PDF before finalization
Potential Use Cases and Benefits
Creating comprehensive reports by merging multiple PDF files
Organizing and consolidating scattered PDF files into a unified document
Rearranging pages within a PDF to suit specific requirements
Combining PDFs with different orientations or sizes for a cohesive presentation
Quickly and easily merge important PDFs for sharing or archiving
With our Mix PDF feature, you no longer have to struggle with managing multiple PDF files separately. Seamlessly merge, rearrange, and combine PDFs to create the perfect file for your needs with just a few clicks. Enjoy a streamlined workflow, improved productivity, and a clutter-free digital space. Try our Mix PDF feature today and discover the unmatched convenience it brings!
How to Use the Mix PDF Feature in pdfFiller
The Mix PDF feature in pdfFiller allows you to easily combine multiple PDF documents into one cohesive file. Follow these simple steps to make the most of this feature:
01
Log in to your pdfFiller account. If you don't have an account yet, you can easily create one for free.
02
Once you're logged in, click on the 'My Forms' tab at the top of the page.
03
In the 'My Forms' section, locate the PDF documents you want to mix. You can either select documents from your existing forms or upload new ones.
04
To select multiple documents, hold down the 'Ctrl' key (or 'Command' key on Mac) and click on each document you want to include in the mix.
05
After selecting the documents, click on the 'Merge' button located at the top of the page. This will open the Mix PDF tool.
06
In the Mix PDF tool, you can rearrange the order of the documents by dragging and dropping them. This allows you to control the sequence in which the pages will appear in the final mix.
07
If needed, you can also delete individual pages from a document by clicking on the 'Delete' button next to each page.
08
Once you're satisfied with the order and content of the mix, click on the 'Save' button to generate the final mixed PDF document.
09
You can then download the mixed PDF to your computer or share it with others by sending a link.
10
If you want to make further edits or changes to the mixed PDF, you can always reopen it in pdfFiller and use the available tools and features.
11
Congratulations! You have successfully used the Mix PDF feature in pdfFiller to combine multiple PDF documents into one.
By following these steps, you can easily create a single PDF file that contains all the necessary information from multiple documents. The Mix PDF feature in pdfFiller saves you time and effort by streamlining the process of merging PDFs. Start using this feature today and experience the convenience it offers!
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
How do I combine PDF files for free?
Drag and drop your PDFs into the PDF combiner. Rearrange individual pages or entire files in the desired order. Add more files, rotate or delete files, if needed. Click 'Merge PDF!' to combine and download your PDF.
Can you merge PDF files for free?
Merge PDF files online — it's easy and free* Upload your files: Use the choose file buttons above to upload your PDF files and then press the “merge” button to download your PDF. Select multiple PDF files in your desired order and click on more files to combine 5 files or more into one single document.
How do I combine PDF files in Windows 10?
Step 1: Download PDF Shaper Free version. Step 2: Launch PDF Shaper Free. Step 3: Click Merge option to open Merge window of PDF Shaper. Step 4: Here, click the Add button to add all the PDF files that you want to merge or combine into one PDF file.
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