Easily Merge and Resize PDF online 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

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
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Every PDF tool you need to get documents
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

64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
Join 64+ million people using paperless workflows to drive productivity and cut costs

Why choose our PDF solution?

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:
Thanks I have been using you and your service for years and if you ever want to run a marketing campaign to my 950,000 website members that are all real estate investors and agents please reach out to me.
Stephan P
2014-06-11
I don't need legal documents very often & purchased to help a friend get through a difficult time. much better than hand writing all of the documents out. makes it look professional and I will probably use in the future as well, if needed.
Jannett C
2016-09-22
This comes in so handy for certain projects we do here at the office. I actually love it. Well worth the price! I would like to attend a webinar to learn more about the features and things I am probably missing out on.
John P
2017-11-01
The greatest part about this site is being able to search for all of the various different forms you need. Turbo Tax wanted $159 just to fill out tax forms only needed once a year. Saving a ton on this site!!
Christina B
2019-01-23
It really is an easy to use application… It really is an easy to use application and i needed something like this and I didnt have much time so I know if I can use that fast then its a great app!
SARAH JONES
2020-03-11
wonderful program wonderful program, very helpful for me, I scanned in my document and am able to type it instead of handwriting it, as is the standard in my office. Saves me a ton of time.
Lauren Hallaceli
2020-01-01
using free trail still charge my card… using free trail still charge my card $1.35 and also you do not support enough fonts!! Really need to fix that
Krhuz janzen
2019-12-01
If you have forms to fill out electronically, this is the website to use. It is simple even for those not great with tech! Customer service is also very honest and helpful as far as billing, etc.
Debbie M
2021-01-20
PDF Filler was easy to learn and use, I was able to get the signatures I needed, very satisfied. The only thing I was unaware of (could have been in the small print) was the trial obligation before being able to download my signed document. Overall Great experience.
Dr. Nancy J. W
2025-05-02

Tips on how to Merge and Resize PDF online

If your day-to-day workflow includes editing or handling many PDF files, the range of your editor’s functionality will determine your efficiency and capacity throughout the working day. If you use the right software for the day-to-day jobs, to Merge and Resize PDF must be a fast and simple process. Try pdfFiller to access any document feature in seconds and focus on the value of your projects.

With this robust online editor, you can access your document history from any device and make all the changes you need anytime. The intelligible toolbar provides just about every functionality within a click, so you do not have to spend a lot of time onboarding or getting additional training. Create, edit, share, add fillable fields, and collaborate on your documents successfully.

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

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Browse the pdfFiller website and log in to your account. If you are a new user, you can sign up a new account in a few clicks.
02
Proceed to the Dashboard and import your document by clicking + Add new. Use the most convenient method to add it: upload, locate a template, link it from a storage, or just insert the URL.
03
Now you are set to Merge and Resize PDF.
04
If required, introduce any other modifications to your document utilizing the comprehensive toolbar: add content, place fillable fields, annotate, highlight, or insert media.
05
Invite other users to work together on the file in real time.
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As soon as done, click DONE to complete editing.
07
Upload the document to your account or access it in your document history.

Merge and Resize PDF with pdfFiller and get more advanced features to elevate your document processing experience. Work on your files without obstacles on your way to higher efficiency, whether it is an individual task or a collaborative project. Start your free trial and try it today!

Easily Merge and Resize PDF Feature

Managing multiple PDF files can often be challenging. Our Easily Merge and Resize PDF feature provides a simple solution for your document organization needs. With this tool, you can streamline your files into one cohesive document, making it easier to share and manage.

Key Features

Merge multiple PDF documents into a single file
Resize PDFs to meet specific requirements
User-friendly interface that minimizes complexity
Support for various file sizes and formats
Quick processing that saves time

Potential Use Cases and Benefits

Combine reports and presentations for work projects
Prepare documents for printing or digital distribution
Arrange legal documents in a specific order
Organize personal files like receipts or travel itineraries
Create a single PDF for portfolio presentations

This feature addresses common issues you may face, such as excessive file clutter and incompatible sizes. By merging and resizing your PDFs, you simplify your workflow and enhance your productivity. Experience a smooth and efficient way to manage your PDF documents.

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
Online PDF merge / combine tool A free online tool for merging (combining) multiple PDF files into a single document. You can merge two or more files simultaneously, even if they have different sizes and page counts.
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.
0:04 1:39 Now in the print. Options. You need to go to Microsoft printer PDF. Which you should have all youMoreNow in the print. Options. You need to go to Microsoft printer PDF. Which you should have all you need to do is make sure that fit is selected here when you go to print then we're going to print. It.

Video guide about Merge And Resize PDF

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025