Lock PDF and Add Watermark to PDF for iPhone Gratuito

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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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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.

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What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
on the form 710 you cannot remove the zeros on page 2. Please correct ... I use this form a lot and it would be nice to have fillable spots vs lining up the curser.
Anonymous Customer
2014-09-23
When I had a deadline to meet and needed to get a series of pdf documents ready ASAP, I was able to use the template feature to save certain information to all docs at once and just fill in the info that differed. This allowed me to meet my deadline and send each completed form with password protection so the client knew I took his privacy seriously. Thank you, PDF Filler, for providing this great platform!
Karen
2018-11-06
Had an issue at first and contacted management. The problem was corrected right away and I could not be happier with the outcome. There are a lot of features included with this site, so it is a must have for a business of any size. Thank you very much.
Gregory S
2018-11-07
What do you like best?
EASY TO UPLOAD AND CREATE FORMS. QUICK TO FILL IN FORMS AND GET SIGNATURES FROM PROVIDER'S
What do you dislike?
SOME FORMS CANNOT BE FILLED IN. OR THEY MAY LOOK FAKE.
What problems are you solving with the product? What benefits have you realized?
UPDATING OFFICE FORMS, CREATING NEW FORMS OR FINDING MUCH NEEDED FORMS.
User in Medical Practice
2018-12-20
I couldn't find 2018 W2 forms in the… I couldn't find 2018 W2 forms in the library. I looked for an hour. I could find 2016 W2s, 2019 W2s, but, not 2018. I found all kinds of IRS forms, but, not 2018 W2s. Finally I gave up after 2 days and emailed support. They responded immediately with form. It was awesome. I was shocked. They get A+ in my book !!!!! Jeff R.
Jeff B. Robinson
2019-01-25
Mam rada jednoduché a přehledné aplikace nad kterými nemusím zbytečně přemýšlet, neboť to většinou vede k tomu, ze úplně ztratím hlavu a prvotní myšlenku, ktera mě tam zavedla. . Takže v jednoduchosti je krása.
Kateřina S
2024-04-28
BEST all-in-one Platform for business and personal use!!! I am in LOVE with this app!! This platform provides an all-in-one service for a price you just cant beat. Without a doubt the #1 MUST-HAVE business tool that trumps all the rest. They even offer Monthly or Annually subscriptions giving the user some flexibility pricing to choose what suits them best based on their individual or professional needs. Absolutely worth every penny!!
Jade Erickson
2023-12-27
literally this app has changed my life and has made it so much easier and convienant for me always being on the go and now i dont really need to be on the go its just right here everything in one
Veronica S
2021-09-05
Plenty of useful options Plenty of useful options, convenient design. I like the feature of editing pdf files online ans storing them in the cloud
Timur Kabizhanov
2021-06-13

Lock PDF and Add Watermark to PDF for iPhone

Protect your documents with the Lock PDF and Add Watermark to PDF feature on your iPhone. This tool allows you to secure sensitive information and maintain your brand identity effortlessly.

Key Features

Password protect your PDFs for added security
Easily apply watermarks to deter unauthorized sharing
User-friendly interface for quick document management
Compatible with various PDF formats
Instant access on your iPhone, anytime and anywhere

Potential Use Cases and Benefits

Safeguard confidential business documents
Prevent misuse of personal data
Enhance brand visibility with customized watermarks
Facilitate safe document sharing with clients and stakeholders
Maintain control over digital assets

This feature solves your problem of document security. By locking your PDFs, you ensure that only authorized users can access important files. Adding a watermark not only protects your intellectual property but also promotes your brand. With this solution, you gain peace of mind knowing your documents remain safe and your brand stays visible.

Get documents done
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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
loved- PDF Editor. loved is a full-fledged PDF editor that lets you add watermark to PDF documents. Dodo PDF Reader & Editor. PDF Utility.
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.
Tap on Photos to choose the image you want to add the watermark to. If you don't immediately see the picture you need, just tap on the Browse Folders option to see all your files. To add a particular text as a watermark, tap on the T at the top-right.
Launch Visual Watermark. Click Select Images or drag your photos into the app. Select one or more images you would like to watermark. Click Next Step. Choose To add logo. Edit logo watermark using editing tools.
Open the OneDrive for Android app, and open the PDF you want to mark up. Near the bottom of your screen, tap Markup. On the Markup toolbar (from left to right: Exit, Undo, Redo, Navigate, Pen, Highlight, Note, Text, and Erase), tap the tool that you want to use.

How to Lock PDF and Add Watermark to PDF for iPhone - video instructions

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