Edit and Sign PDF Documents in a Snap

Convert, split, merge, edit and sign your PDF documents online without registration.

How to use AltoPDF

AltoPDF is a multifunctional PDF solution that makes managing files easier. Since this is a user-friendly service, you can easily convert PDF in a few clicks.

All you need is just to drag and drop a necessary PDF into a box or to browse a device for a file. In the menu choose a required feature and handle a document.

Convert PDF online

AltoPDF is a streamlined free pdf converter that allows you to convert files both from and to PDF format. Convert PDF files into a large number of other document formats such as Word, presentations and images.

Take an advantage of converting files to PDF from PowerPoint, Word, PNG and JPG formats.

Edit PDF online

AltoPDF editor offers a host of functionalities for manipulating PDF files. This service provides its users with an extensive toolkit and allows rotating pages in a document as well as merging files. We are planning to present you more functionalities such as splitting files and ability to reduce their size in order to make document managing process easier.

Security

This is one of the most powerful features that are provided by AltoPDF. Users can be sure that all uploaded files will be deleted in 24 hours automatically.

Your documents will be secured and no one else will have access to them. You also will be able to protect files with our free service as well as to unlock the password-protected PDF documents.

Supported File Formats

AltoPDF supports multiple formats that help to meet your requirement. For instance, when dealing with documents, such formats as PDF and Microsoft Word are available. This service also supports such image formats as JPG, PNG as well as presentation format - PPT. We are going to enable your user experience and streamline the number of formats available such as TIFF, TXT, RTF and ePub.

Manipulating Documents on the Go

Since such a powerful service does not require any download or software installation, you may easily manage your PDFs on the go using any device. AltoPDF is a cross-platform service that can be easily operated on Windows, Mac or Linux. Whether you need to convert or to edit your files, you may do it effortlessly from a tablet or smartphone just using your browser.

Characteristics

File extension .pdf
Internet media type application/pdf
Description: PDF stands for Portable Document Format. It is a versatile file format and extension developed in 1993 to simplify the procedure of viewing and printing documents and sharing them between users working on various platforms and operating systems. Another useful feature of PDF is that it combines features of both a text document and a vector graphic image. Each page of a PDF document has a fixed layout and retains its structure whenever it is copied or downloaded to another device.
Technical Details: PDF is a 7-bit ASCII file that contains the complete description of a flat vector document with fixed formatting. All the fonts used are stored within the file. These two features allow users to forget about missing fonts, misplaced elements, distorted graphics, etc. Along with text blocks and graphic images, PDF file may include fillable fields and interactive elements such as buttons, hyperlinks, bookmarks, embedded media, etc.
Developed by ISO
Initial Release: 15 June 1993
Useful links: https://whatis.techtarget.com/definition/Portable-Document-Format-PDF
https://acrobat.adobe.com/us/en/acrobat/about-adobe-pdf.html

 

Customer Questions and Answers

Question:
Hi there! I’m not an expert at working with PDF files and I need a simple but powerful PDF editor for home use. Any suggestions?
Answer:
AltoPDF.com is definitely the best choice available online. It’s both powerful and simple enough. The interface is very intuitive and user-friendly. Not once did I feel confused about how to use their instruments. I use it both for my work and for personal stuff too.
By Jason on May 21, 2018
Question:
Hi all! I want to make some edits to a scanned PDF that contains both images, diagrams and text. How can I do this without diminishing the quality? Any online solution maybe?
Answer:
Hello there! With altopdf.com you can edit your pdfs, convert them, move text blocks, add fillable fields and save files to your disk without losing any quality. It’s one hundred percent free and available from any desktop or mobile device.
By Sarah on May 01, 2018
Question:
I'm looking for a program that can help me to convert my documents. I want to convert formats, split pages, merge them, edit text and so on. Is it somehow possible to find a service like this online?
Answer:
The program you are looking for is available online for free. Go to AltoPDF from any internet connected device and choose the needed features. You can convert formats, merge, split and rotate pages of your PDF documents for free. It is also possible to edit text and add any necessary details.
By James on March 11, 2018
See All Question

How to Edit PDF Files

Converting a Word, Excel, or PowerPoint file into a protected PDF

Encountering troubles with email inboxes, hacked databases or stolen private account information isn’t uncommon. Users of cloud storage services pose have a right to be concerned over the safety of their account information. Another valid concern has to do with the measures that should be taken in order to protect a user’s most sensitive information.

The PDF document has been designed to present and exchange files reliably, independent of software, hardware and operating system. As opposed to other formats, PDF preserves the original look of the document while enabling file sharing. Whether you print or view it, the PDF will always look the same. That’s why it is so widely used by businesses, agencies and organizations that prefer commercial printing methods. But how can a user quickly extract needed information if it is contained in another document format? Use a PDF converter.

Now you can edit PDF documents from such popular formats as Word, Excel or PowerPoint. Use powerful online tools to avoid annoying downloads and installations. Easily convert pdf to powerpoint, convert Word to PDF and other formats. If you want to place data from a PDF document into a spreadsheet, use an online pdf converter to excel.

Experience the benefits of a pdf to word document conversion:

  • Simply upload your files by dragging and dropping them into the box on the screen and rearrange your files in whatever order you prefer.
  • There is no need to make any payments or purchase any additional software.
  • Take advantage of encrypted file transfer. Everything that you process is highly protected. Encrypted connections provide secure transmission of your information. All data is deleted after downloading your converted document.
  • No matter whether you prefer Linux, MacOS or Windows, you can make changes in any browser with any internet-connected device. Finally, converting files in the cloud doesn’t consume storage on your computer. Use the application wherever you need.
  • How to Convert Scanned Documents/Images to PDF

    Converting scanned documents and images into PDF format can be done via highly protected means. Protect your documents with two-factor authentication in your Encrypted folder. To activate the Encrypted folder follow the steps below:

    1. Click the protected folder in your MYBOX and enter your cell phone number. You will immediately receive an activation code via text message.
    2. Enter the activation code and click Verify to create a password.
    3. Create and confirm your password to open the folder.
    4. To add documents to the Encrypted folder, drag them from any other folder.
    5. Once you’ve finished working with your protected documents, close the Encrypted folder by clicking the key icon. It will also automatically lock after 10 minutes of inactivity.

    To access documents in the Encrypted folder, you will have to enter your password again.