Lock PDF and Convert PDF to PPT for Mobile 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
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Last updated on Dec 12, 2023

Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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Download, export, or share your edited file instantly
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

Every PDF tool you need to get documents
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:
So far PDFfiller has been extremely easy to use and very useful! I previously used another program to convert and to edit PDF documents. Although it was also easy to use, this one is much easier and has way more options.
Rosie Z
2016-03-23
A must have for your business Overall, this software is a very useful, less time consuming, and efficient addition for my business. I love that I can complete and sign required documents on the go with no hassle, without having to print and physically complete and sign any document. I love that this software is so convenient and easy to use. Its a must have for completing and signing documents for your business electronically in a quick and efficient manner. The mobile app for this software is not that easy to use as the online (desktop) version.
ALTON F.
2019-01-29
Does it all The best program to work with documents Easily completes and adds information to any document or report. You can size the information to fit the provided space, cut and paste and maneuver easily within the document. You can access the program and the documents you have completed as the application is on the web and it retains your completed report in their system. If they could combine other pdf tools would be awesome. Some of the more common pdf functions include moving pages, separating pages and duplicating pages, etc...
Denise K.
2017-09-08
Easy and Superb! I love how easy pdfFiller is to use. Also, the results are amazing! I uploaded a signature that looked great from my computer but I couldn't get the page colour right. PdfFiller fixed the colour so that the background of the upload and the entire document were identical. I didn't need to try fixing it myself!
Stephen McQueen
2022-06-01
This is the best site for PDF conversion This is the best site that I have ever come across in terms of PDF converters and I highly recommend it. I was able to work on my piece for days with no fear of losing it, something which happens with some converters making you begin it afresh. I recommend this site for anyone with a large document to work on.
Rose Mukonyo
2022-05-07
It was amazing and very user-friendly! I love that pdffiller makes it so easy to fill out a form and sign a signature. Better than filling a form in Adobe Acrobat because you have to figure it out yourself.
Lee
2021-10-10
Using the app has been pretty easy so far Using the app has been pretty straight forward and intuitive. Getting used to how to edit a PDF to get consistent results. Has been a big help. Users always want a free solution and I'm still testing the 30 day trial but maybe if you want the right solution it needs to be a paid solution.
Gregory Miller
2021-04-29
What do you like best? PDF Filler is extremely easy to use and navigate. I've never experienced any lag or difficulties in using the software. Signatures are easy, dates are easy to inpute. What do you dislike? You don't get to really choose where files are saved when you download them. What problems are you solving with the product? What benefits have you realized? I've been able to easily fill out and save consolidation agreements, settlement letters, and anything else that I need and don't have time to print out and sign just to have to scan it in. It's definitely a time saver!
Nicole Vorron
2021-02-16
Great service Great service, and offered and processed a refund within minutes of me not needing my subscription anymore. Will definitely be coming back once I need their services again.
Drew Williams
2020-12-15

Lock PDF and Convert PDF to PPT for Mobile

Manage your documents with ease. The Lock PDF and Convert PDF to PPT for Mobile feature allows you to protect your files and convert them into editable presentations on the go.

Key Features

Secure PDF files with a password to prevent unauthorized access
Convert PDF documents to PowerPoint presentations efficiently
User-friendly interface for quick and simple navigation
Compatible with various mobile devices and operating systems
Preserve original formatting during conversion to ensure accuracy

Potential Use Cases and Benefits

Protect confidential reports or proposals with password security
Easily transform lecture notes or research papers into eye-catching presentations
Share presentations conveniently from your mobile device in meetings
Edit converted files to tailor presentations to specific audiences
Manage files during travel, eliminating the need for a laptop

This feature addresses your challenges by providing a straightforward way to secure and convert your documents. You no longer need to worry about unauthorized access to sensitive files. Plus, you can easily convert static PDFs into dynamic presentations, saving you time and effort. Embrace a more organized and secure approach to document management with this powerful tool.

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
Go to your Chrome browser on Android and visit its website. Tap the Choose file button and then hit Files to select a PDF file from your mobile phone. After that, the website will start uploading and converting. Once done, press the Download button to save the PPT file on your Android device.
Choose Tools > Protect > Encrypt > Remove Security. Remove Security: The options vary depending on the type of password security attached to the document. If the document has a Document Open password, click OK to remove it from the document.

How to Lock PDF and Convert PDF to PPT for Mobile - 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