Stay mobile Add Stamp 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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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
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average to create and edit a PDF
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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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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
I was needing a temporary custody order for my grandchildren. I found exactly what I needed on PDFfiller and it made for a great experience. I will be using this product as needed in the care and control of my Grandkids life.
2017-08-04
By far the absolutely best PDF app you can by today! It is very user friendly and economical! Download the trial version to check it out... I bet before the trial timeframe is up, you will be buying the complete version!
2019-03-05
This is a remarkable Utility for working with pdf formats. It saves time and contains excellent applications to meet and complete many business tasks.
2019-06-16
Excellent Product
Excellent. It has been super useful in my practice.
This is very easy to use. I like the drag/drop feature.
I wish you could do drag/drop for pictures.
2019-09-18
I have thoroughly enjoyed using PDF…
I have thoroughly enjoyed using PDF filler. It has been very beneficial when I receive PDF files that I must fill-in or create.
2021-05-27
Great tool to simply fill out PDF
Nothing super fancy but a stable, well purposed PDF editor that has easy access to upload and download PDFs.
Easy to upload and download PDFs for simple editing tasks. Whether wanting to fill out with text or signatures, very simple to edit freely on a PDF.
A lot of competitors that are web based make this another run of the mill PDF editor. Nothing super fancy.
2020-10-23
Great improvement on traditional Adobe products.
Good experience. I would recommend this to other in lieu of mainstream products.
Simple, easy to use and operates seamlessly with other programs. It also maintains the appropriate information for future use in other forms.
At times, information is lost when downloading forms from websites or is not saved when transmitting via email.
2020-05-07
I love that I can easily cancel my…
I love that I can easily cancel my Trial subscription. It is not scam, you can try and leave if you dont need it.
2025-05-16
Perfect for merging multiple JPG images into a compact PDF
This app / web page allowed me to easily merge six JPG image files (each 2550x3300 pixels, some included photos) into a single compressed PDF document that was small enough (7MB) to be easily shared as an email attachment. Did exactly the job I wanted it to!
2025-07-02
Stay Mobile: Add Stamp to PDF on iPhone
Transform your PDF files with ease. The 'Add Stamp to PDF' feature on your iPhone allows you to personalize your documents and enhance your workflow. This functionality is designed for users looking to create professional-looking PDFs swiftly and efficiently.
Key Features
Simple interface for easy navigation
Ability to use custom stamps or select from predefined options
Supports various file types for seamless integration
Option to resize and position stamps easily
Save and share stamped PDFs directly from your device
Potential Use Cases and Benefits
Sign important documents quickly without printing
Add dates, approvals, or custom branding for business needs
Enhance personal documents like invitations or announcements
Streamline the review process by adding comments or notes directly to the PDF
Create templates for repeat use in your daily tasks
This feature addresses common challenges users face with PDF documents. Whether you need to sign documents on-the-go, or you want to add important notes without hassle, this tool fits right into your routine. Experience the convenience of managing your PDFs directly from your iPhone, and enjoy the flexibility to stamp your documents anytime and anywhere.
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 add a stamp to a PDF for free?
How to add a stamp to a PDF file Choose or drop the PDF file to which you would like to add a stamp. Enter the text for your stamp. Select your preferences for font, size, rotation, opacity and color. Click on 'Add stamp' below. Download the PDF file with the added page stamp.
How do I insert a stamp into a PDF?
Do one of the following: Choose Tools > Stamp > Custom Stamps. Choose Tools > Comment > Stamps > Custom Stamps > Manage Stamps.
Video instructions on how to Add Stamp to PDF on iPhone
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