Easily Merge and Alternate PDF online For Free

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Upload your document in seconds
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done paper-free

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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.
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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.
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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.
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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.
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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.
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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
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Join 64+ million people using paperless workflows to drive productivity and cut costs

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Cloud-native PDF editor

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.

Industry-leading customer service

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:
editing document is fine. Underlining is hard to figure out. Simply saving for future use (not exporting) is not clear but I stumbled on a solution that I hope will work.
CS
2016-10-02
It was easy enough to use the first time I tried. I was able to fill out my 1099's within a couple hours and file them with the IRS. It was so simple! I appreciate your service.
Anonymous Customer
2018-02-07
This was the best PDF editor site I have seen thus far! It was so smooth and easy to use, as well as had multiple options to easily save and transfer the document without needing to convert everything back and forth!
Shannon
2020-03-31
The support team at PDFFiller is top notch The support team at PDFFiller is top notch. They always respond promptly and professionally and even accept suggestions for improvement of the software. I personally am amazed at the evolution of this product over the last 7 or 8 years.
larry
2019-09-01
I have been using the services for a… I have been using the services for a few years know and i can honestly say they have updated and made it very user friendly.
Adrian Smith
2024-06-30
Very effective tool that enables me to upload and mark students PDF assessments. I would love to learn more to speed up the process further and have some questions re adding colour to symbols i.e. tick symbol
Lisa W
2024-05-04
Super helpful for when you get… Super helpful for when you get redundant document from School Administrators that expect you to print and fill out everything from hand. It's 2021.
Christina Torres
2021-06-23
I signed up for a trial and forgot that… I signed up for a trial and forgot that the annual subscription kicked in a month later. Subsequently, I realised that I have no use for the service/product. PDFfiller was kind and understanding. They responded almost immediately and refunded me without hesitation.
Angeline Lim
2020-08-30
I really appreciate the timely response from the support team in handling my cancelation. They were very professional and was very helpful throughout the process. Thank You, So Much!
Shane C
2020-07-17

How to Merge and Alternate PDF online

If your everyday workflow incorporates editing or handling many PDF files, the range of your editor’s functionality determines your efficiency and capacity through the entire working day. If you use the proper software for your regular jobs, to Merge and Alternate PDF should be a fast and simple process. Try pdfFiller to gain access to any document feature in seconds and concentrate on the value of your projects.

Using this robust online editor, you can access your document history from any device and make all the modifications you need anytime. The intelligible toolbar provides each functionality within a click, so you do not have to spend much time onboarding or taking additional training. Create, modify, share, add fillable fields, and collaborate on your documents successfully.

Check how simple it is to Merge and Alternate PDF with pdfFiller

01
Go to the pdfFiller site and log in to your account. If you are a new user, you can register a new account in a few clicks.
02
Proceed to the Dashboard and transfer your file by clicking + Add new. Utilize the handiest method to add it: upload, find a template, link it from your storage space, or just insert the URL.
03
Now you’re set to Merge and Alternate PDF.
04
As needed, introduce any other changes to your document using the comprehensive toolbar: add content, place fillable fields, annotate, highlight, or insert media.
05
Invite other users to collaborate on the file in real time.
06
Once done, click DONE to complete editing.
07
Upload the document to your account or access it in your document history.

Merge and Alternate PDF with pdfFiller and discover more advanced features to elevate your document processing experience. Work on your files without obstacles on your way to greater productivity, whether it is an individual task or a collaborative project. Start your free trial and try it now!

Easily Merge and Alternate PDF Feature

The Easily Merge and Alternate PDF feature simplifies the process of managing and organizing your PDF documents. Whether you need to combine multiple files into one or create a new document by alternating pages from different PDFs, this tool provides a straightforward solution.

Key Features

Merge multiple PDFs into a single file effortlessly
Alternate pages from various PDFs for varied arrangement
User-friendly interface for quick navigation
Supports drag-and-drop functionality for easy file upload
Compatible with various PDF formats

Potential Use Cases and Benefits

Combine research papers into one easy-to-read document
Create presentations by alternating slides from different sources
Organize legal documents for streamlined review
Prepare project reports by merging relevant files into one cohesive unit
Simplify document sharing by providing a single file for collaborators

This feature addresses common frustrations of handling multiple PDF files. Instead of juggling various documents, you can easily merge and alternate to create a single, organized file. By reducing the time spent on document management, you can focus on more important tasks.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

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
Adding alt (alternate/alternative) text to images allows screen readers (assistive technologies) to provide visually impaired readers with a better understanding of a document's contents overall.
To combine odd and even PDF pages, click “Mix PDF Files.” Note: Once the PDF files are uploaded, a list will be seen on the screen. The file on top will become the odd pages and the files at the bottom will become the even pages. If the files are not in the correct order, you can drag and drop to re-order.
How to combine PDF files Click the "Select a file" button above or drag and drop files into the drop zone. Choose the files you wish to merge. Rearrange the files if necessary. Click on "Merge files". Download the merged PDF. Sign in to organise individual pages or share the file.
Merge PDF lets you quickly combine multiple files into one document.

Video guide about Merge And Alternate PDF

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Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
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Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025