Stay mobile Add Custom Field to PDF on 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 Dec 12, 2023

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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

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:
Easy to use. Helpful Support staff. I sent them a link to a document that I needed added and they had it available within minutes of sending it to them:)
Melanie
2015-07-27
So far it has met my needs and wants. While there has been a struggle with removing the Electronic disclosure page, their technicians and chat support are quick to respond.
Kory H
2018-05-29
Something went wrong, when I was filling once it stopped me suddenly. It saved the work, luckily. But I lost two minutes to restart my job, and this wasn't nice.
Aldo T
2020-04-02
What do you like best?
The ease of adding fields etc to current
What do you dislike?
Would like to visualize the entire page on screen.
What problems are you solving with the product? What benefits have you realized?
Adding areas for signatures to existing documents. Ease of redacting documents as necessary to share.
Marian Hillyer
2018-01-02
Life made easy If you fill a lot of forms, it is worth it. Otherwise you might not want to pay for the subscription for just one form. It makes editing and filling out forms so quick. The tools are great and the UI is easy to use and clean to look at. Once you fill the form, you have to pay or else you cannot save or print. This is not made clear from the start.
Erica L.
2020-03-19
Fabulous addition for the office!!… We added this for our company in the office as a tool to try out and make things easier. Honestly I have used it far more than I thought. No more printing out anything to fill out and sign it and then scan it back and send it. You can upload and fill in the spaces, check any boxes and sign it, save it and email it right over, and it looks so much more professional too.
Big Hat Limousines & Transport
2024-07-16
I liked the flexibility to edit and make changes in my document. Its rare to get something like this, especially for a pdf format. for me it made things easier as I was working on a pdf document and I wanted to make a few changes on it without converting to a word document.
ZIMBINI
2023-11-20
I love it, you got everything very nicely put together and easy to understand. Please, keep up the good work guys, and may "The Most High God" keep blessing you!
JAH
2022-08-27
Wish it was more affordable Works great and seems to be the only app that put everything in the proper format for editing. My only complaint is that it isn't more affordable, especially for first year subscriptions I feel like there should be a discount so that you can truly decide if spending that much at once is worth it to you and your business needs.
sarahrvillarreal
2021-01-03

Add Custom Field to PDF on iPhone with no limits

Have you ever been tired with carrying a laptop around anywhere you gojust to be able to open and sign that critical document? Have you ever your clients backing off because of an inability to Add Custom Field to PDF on your iPhone? Here at pdfFiller, we provide you a solution that frees you from relying on not cloud-based software, to enable you to work from any device, anywhere.

pdfFiller is a web-based PDF editing tool with advanced functionality for mobile users that allows you to Add Custom Field to PDF on iPhone just exactly the same way it does on your laptop. You can do both and get your documents easily synced to the cloud storage. Utilize the web app, desktop app, or the mobile one. Check out the list below to learn the best features available on mobile devices:

01
eSign documents. Create a legally-binding signature and send a form for signing in seconds
02
Simplify collaboration. Highlight content or add comments for your colleagues
03
Cover sensitive data. Use the Blackout option to hide delicate information that shouldn’t be spread to third parties
04
Convert files. Save your records as files in PDF, Word, Excel, or PowerPoint formats
05
Export content. Share samples via links, emails, messengers, or fax
06
Add new objects. Insert texts, crosses, checkmarks, images, text boxes, or simply draw on a document
07
Request additional authentication. Ask recipients to confirm their identity by taking a photo or linking social media profiles

Deal with documents like a professional. Do business right from your browser or install the application. Regardless of your choice, all your actions are still secured with the most up-to-date encryption features, so that nobody can get not authorized access to your data. Don't wait, make the most of professional document management now!

Stay Mobile: Add Custom Fields to PDF on iPhone

Stay Mobile offers a seamless solution for adding custom fields to your PDFs directly on your iPhone. This feature caters to your need for personalization in documents while you are on the go.

Key Features

Easily create and add custom fields to existing PDF documents
Use a user-friendly interface designed for quick access
Save and share modified PDFs with a few simple taps
Support for various field types including text, checkboxes, and signatures
Compatible with all iPhone models
Offline access for uninterrupted productivity

Potential Use Cases and Benefits

Customize forms for business proposals and contracts
Annotate and fill in important documents while traveling
Streamline workflows by adding relevant fields for client information
Enhance readability by organizing necessary data in a structured manner
Facilitate team collaboration by sharing updated documents swiftly

With Stay Mobile's PDF feature, you can solve the problem of rigid documents that do not meet your specific needs. Personalizing your PDFs not only improves clarity but also enhances communication with your clients and colleagues. Experience the convenience of adapting documents wherever you are.

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
On your iPhone or iPad, open a mobile web browser, like Safari. Go to forms.google.com. A new form will automatically open.
To start, download and open the Fill & Sign app. Then, navigate to the PDF on your device or online resource, or even take a photo of the physical document. Tap anywhere to create a fillable field. By tapping the profile button, you can enter info directly from your contacts.

#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