Convert Word to PDF and Esign PDF for iPhone 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
Note: Integration described on this webpage may temporarily not be available.
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Last updated on Sep 21, 2025

Edit, manage, and save documents in your preferred format

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Convert documents with ease

Convert text documents (.docx), spreadsheets (.xlsx), images (.jpeg), and presentations (.pptx) into editable PDFs (.pdf) and vice versa.
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Start with any popular format

You can upload documents in PDF, DOC/DOCX, RTF, JPEG, PNG, and TXT formats and start editing them immediately or convert them to other formats.
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Store converted documents anywhere

Select the necessary format and download your file to your device or export it to your cloud storage. pdfFiller supports Google Drive, Box, Dropbox, and OneDrive.
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Convert documents in batches

Bundle multiple documents into a single package and convert them all in one go—no need to process files individually.
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Preview and manage pages

Review the documents you are about to convert and exclude the pages you don’t need. This way, you can compress your files without losing quality.
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Protect converted documents

Safeguard your sensitive information while converting documents. Set up a password and lock your document to prevent unauthorized access.

How to quickly convert and compress your PDF?

Upload your document

Upload a document from your device, cloud storage, email, or URL.
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Use the converter tool

Select your document and click Convert .
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Select format and destination

Decide on the file type and where you want to save the converted document—on your device or in your cloud storage.
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Manage pages and additional settings

Once everything is set, you can access advanced settings to compress a document by excluding unnecessary pages, set passwords, and select other options.
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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
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

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:
Not a bad program to work on pdf documents and comes with an online storage box. It does require a monthly subscription fee for the service, but may be more affordable for some if you don't already have the more expensive Adobe Acrobat or other program.
Kathy
2014-05-08
It's hard when you start using it as there isn't a Pugh information on how to use it , so takes along time to do anything but you get the hang of it after a while, needs to be easier to navigate aroud
Andy
2018-07-17
It's MUCH EASIER TO USE THAN WONDERSHARE PDFelement 6! Which costs $$$$ more than PDFfiller. I could not use the Wondershare PDFelement 6 and got a refund. However if PdfFiller increases it's costs I will attempt to buy the Adobe program. It's not that I use pdf that often that I have to pay a monthly cost.
Denise L
2019-07-05
This is a very handy program to have access to when you need employee signatures, but they work in different locations throughout the country. It eliminates the need for faxes or snail mail.
Jennifer C
2019-12-26
I like that you can edit a document as well as sign it! Also you can add signatures afterwards if you forgot the first time!Easy to use and a nice set out.
Nerissa D
2020-03-31
Speedy and excellent customer service I had a trial/billing issue and sent an email to their support email address. It was around midnight when I sent my email so I didn't think I would hear anything back from them until later that day during business hours. Not only did I hear back from them with an email almost immediately that night, but their representative resolved my issue right then and there. Superb customer service!
Nita
2020-02-06
Needed a pdf file filled in online Needed a pdf file filled in online, that in and of itself was not the issue. The issue was not being able to recreate the form in that most environments you would need to build the form from scratch. PDFfiller allowed me to upload the form and use their platform to publish it to the public. May I add how quick and easy it was. Saved a ton of time which I don't have.
William Wilson
2019-08-30
Works well with 2 exceptions. There was an odd small "box" on the left-hand side of the saved document that I was able to erase with the erase tool. There were also signature verification notifications superimposed on the signatures.
Will
2024-02-16
I had issues with billing and… I had issues with billing and subscription and the team handled it with top professionalism in a short while. This team is effective.
Jeremiah
2021-01-14

Convert Word to PDF and E-sign PDF for iPhone

Transform your documents on the go with the Convert Word to PDF and E-sign PDF feature for iPhone. This tool simplifies the process of managing your files, ensuring you stay productive wherever you are.

Key Features

Convert Word documents to high-quality PDF files
E-sign PDFs with your signature directly from your iPhone
User-friendly interface for quick navigation
Secure document storage
Share documents easily via email or cloud services

Potential Use Cases and Benefits

Business professionals can convert reports and presentations effortlessly
Students can prepare assignments in PDF format for submissions
Freelancers can send signed contracts swiftly
Anyone can manage important documents while traveling

This feature addresses common issues like document compatibility and the need for quick signatures. You can easily convert and sign documents right from your iPhone, saving you time and reducing stress. Embrace a smoother workflow and enhance your document management experience.

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
Tap the More menu in the top right corner of the Word app. You will get a screen like below. Choose Print from above menu, you will then open a new Print screen as shown in below screenshot. Microsoft Word allows you to print out Word document using a wireless printer.
Steps to sign a PDF. Open the PDF document or form that you want to sign. Click the Sign icon in the toolbar. Alternatively, you can choose Tools > Fill & Sign or choose Fill & Sign from the right pane.
Converting Word to PDF on iPhone Find the Word document in Files or other file manager apps where the Doc, DOCX files are saved on your iPhone or iPad. Select the Word file, then tap the Action menu in the bottom left corner, choose Convert to PDF, the Word doc will be converted to PDF instantly.

How to Convert Word to PDF and Esign PDF for iPhone - video instructions

#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