Lock PDF and Esign PDF for iPhone For Free
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free

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
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:
i loved this. i was confused though at first about whether i could use a free trial or if i would be charged. i would recommend highlighting the free trial offer upfront to get more people to use this great product.
2014-09-30
I am using it on free 30 day. Until now, working great!! The best part is how I can literally edit any text that I wrote just by click and it is super easy to make changes to any text that I write using pdf filler.
2019-05-04
What do you like best?
I have been using pdf filler for approximately 2 years now - and I can't say enough good things about it. It's very easy to convert documents into a fillable format.
What do you dislike?
I can't think of anything - as the features I've currently used meets my expectations.
What problems are you solving with the product? What benefits have you realized?
It allows me to convert any document into a professional fillable document.
I have been using pdf filler for approximately 2 years now - and I can't say enough good things about it. It's very easy to convert documents into a fillable format.
What do you dislike?
I can't think of anything - as the features I've currently used meets my expectations.
What problems are you solving with the product? What benefits have you realized?
It allows me to convert any document into a professional fillable document.
2019-02-25
Refund amount was authorized on a…
Refund amount was authorized on a timely matter without hassle. I was not easily able to unsubscribe when accessing my account directly through my google account.
2024-10-04
It's been great at helping me achieve my teaching goals! I've been able to confidently make lesson plans in a timely manner, and the easy-to-understand tools make it so much more relaxing to get done!
2024-03-19
This is the greatest software for online documents
I love that this software has been created. It's amazing when you need to do paperwork for something and can do it through email. It's such a hassle trying to complete certain documents and get them where they need to go if you don't have access to doing them via online
I have no negative comments about this software
2022-11-23
PDF ****** provides a useful service that was difficult to find on other platforms. It does require providing payment info when you sign up for the free trial, but their customer service was extremely polite and helpful when I needed to cancel and get the charge refunded. **** helped me, and if I was in a position to need their service for my job or personal life, I would absolutely renew my subscription.
2021-03-08
Very Simple to use and your able to…
Very Simple to use and your able to pretty much do anything with document. for the money if unbelievable So use the free trail It sell itself
2020-06-29
Because of distance learning, I am sending assignments...
Because of distance learning, I am sending assignments to my GED students, and then send back the answers for them to self-grade. This allows me to fill in the assignment and send it back effortlessly!
2020-05-17
Lock PDF and Esign PDF for iPhone
Secure your important documents and streamline your signing process with the Lock PDF and Esign PDF feature on your iPhone. This tool offers you the convenience and safety you need to manage your PDF files effectively.
Key Features
Password protection for your PDF files
Easy digital signatures
User-friendly interface for quick navigation
Secure storage and sharing options
Compatibility with various PDF formats
Potential Use Cases and Benefits
Protect sensitive information from unauthorized access
Simplify the signing process for contracts and agreements
Ensure compliance with legal and industry standards
Enhance collaboration by allowing secure document sharing
Increase productivity by reducing the time spent on document management
This feature solves your problem by providing a straightforward way to secure and sign your PDFs, allowing you to focus on your tasks without worrying about document safety. Whether you are a professional managing contracts, a student safeguarding assignments, or anyone in between, this tool empowers you to handle your PDFs confidently.
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 lock a PDF on my iPhone?
Once the PDF file opens in Documents app, tap on the Menu button (three dots) in the top right corner to bring up menu at the lower section of your iPhone screen. Choose Set Password. Then type in the same password twice. Finally, hit the Set button to confirm and encrypt your PDF file on iPhone or iPad.
How do I lock a document on my iPhone?
Run the file manager app on your iPhone or iPad. Tap Settings at the bottom, select Enable Password, you will then be able to set a password to protect any sensitive data on the phone.
Can you sign a PDF document on iPhone?
Tap the camera button or the document button, then look for the photo or PDF that you want to attach and mark up. Tap the attachment, then tap. Tap Markup to add your markup. Tap the plus button to add a signature, text, and more.
How do you electronically sign a PDF that is locked?
Click the Change button to provide a location to save the resultant PDF. Then click on Next.
Now, you can see permissions are disabled. Click the unlock button & remove PDF signing restriction.
Now, you can see permissions are changed to 'Enable'. Click on OK.
How to Lock PDF and Esign PDF for iPhone - video instructions
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