Convert PNG to PDF and Unlock PDF for Android Grátis

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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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Última actualização em Jan 16, 2026

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Combine multiple PDFs into one.
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Rearrange pages in a PDF document.
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Compress PDFs to reduce their size.
Convert
Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.
Create from scratch
Start with a blank page.
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Edit Word documents.

Edit, manage, and save documents in your preferred format

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Convert documents with ease

Convert text documents (.docx), spreadsheets (.xlsx), images (.jpeg), and presentations (.pptx) into editable PDFs (.pdf) and vice versa.
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Start with any popular format

You can upload documents in PDF, DOC/DOCX, RTF, JPEG, PNG, and TXT formats and start editing them immediately or convert them to other formats.
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Store converted documents anywhere

Select the necessary format and download your file to your device or export it to your cloud storage. pdfFiller supports Google Drive, Box, Dropbox, and OneDrive.
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Convert documents in batches

Bundle multiple documents into a single package and convert them all in one go—no need to process files individually.
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Preview and manage pages

Review the documents you are about to convert and exclude the pages you don’t need. This way, you can compress your files without losing quality.
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Protect converted documents

Safeguard your sensitive information while converting documents. Set up a password and lock your document to prevent unauthorized access.

How to quickly convert and compress your PDF?

Upload your document

Upload a document from your device, cloud storage, email, or URL.
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Use the converter tool

Select your document and click Convert .
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Select format and destination

Decide on the file type and where you want to save the converted document—on your device or in your cloud storage.
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Manage pages and additional settings

Once everything is set, you can access advanced settings to compress a document by excluding unnecessary pages, set passwords, and select other options.
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
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Best Meets Requirements- Summer 2025

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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:
What do you like best?
As a Realtor, my whole business is based on electronic documentation. PDF filler is kind of named poorly, because it really is a PDF editor. It allows you to easily change almost anything on a pdf document...across both desktop and mobile platforms. It simply works as you'd expect it to...every time. I use it practically every day.
What do you dislike?
I wish there were better tools for generating lines (how about a toggle into and out of orthagonal for a line?) It should allow deeper zooming with a thumbnail view showing where you are in the overall document. I like my pdfs to look perfect and sometimes these limit me in that goal.
What problems are you solving with the product? What benefits have you realized?
A Realtor literally lives or dies on his/her electronic documentation. This tool lets me master the changes that inevitably occur with documents. I use it every day.
Arjen Sundman
2019-01-29
Best PDFfiller page!! This was the first PDFfiller page that I have ever used and I’m surprised that it was to use. Thanks for the help during the process.
Bennie
2020-03-11
Easy to use with all the features we need for a pdf The way you allow to edit document is really great. Adding pages and adding images to pages works really well. Finally some application that has almost all the features we need to create or edit pdf.
anitha maruthaiyan
2024-07-19
My work with clients made EASY! This has made my work with mental health clients so much easier. I am able to convert any document to a "Fillable" PDF so that the client doesn't have to work so hard to complete assignments and assessments! Thank you!!!
Amy L. Krohn, MA, LPC, CAGCS
2023-08-14
I liked their services I liked their services, but didn't need them long term. I had thought that I had canceled my account right afterward, but still was charged when the trial period was up. I contacted them on a Sunday, expecting it to take a few days and be a nightmare. Even though it was the weekend they had it taken care of and refunded to me within a few hours! I would definitely use them again because of how trustworthy and understanding the staff was. Good job PDF Filler Team!
Corinne Beenfield
2021-10-10
Pdfiller is the best I have ever used Pdfiller is the best I have ever used. They provide all the tools you need to do whatever you need with your documents. Customer support is also the best. They solve your issues right away. I highly recommend PDFfiller.
Norma Rathgaber
2020-10-09

Convert PNG to PDF and Unlock PDF for Android

Transform your images and manage your PDF files easily with our Convert PNG to PDF and Unlock PDF feature for Android. This tool empowers you to convert PNG images into PDFs swiftly, while also allowing you to unlock password-protected PDFs so you can access your important documents without hassle.

Key Features

Convert PNG images to PDF format with a few taps
Unlock password-protected PDFs directly on your Android device
User-friendly interface for seamless navigation
High-quality output for both images and PDFs
No internet connection required for conversions

Use Cases and Benefits

Convert images for easier sharing and printing
Unlock documents for quick access in meetings or presentations
Organize your files in PDF format for better management
Save time with quick conversions without complex software
Maintain high quality of images when converting to PDF

This feature effectively addresses your needs by simplifying the file conversion and document access processes. Whether you need to convert a series of images into a single PDF file for a report or safely unlock a PDF for viewing, this tool provides a straightforward solution that enhances your productivity on the go.

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!

How to Convert PNG to PDF and Unlock PDF for Android - 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