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How to open pdf extension. Open PDF files online

PDF format is used for storage electronic documents. Initially, only a program from Adobe itself was used to open PDF files. But over time, many solutions appeared from third party developers. These applications differ in their availability (free and paid) and availability additional functions. Agree, it’s convenient when, in addition to reading, there is the ability to edit the original content of a PDF file or recognize text from a picture.

Therefore there is a large number of different programs for reading pdf. For some, a simple viewing function is enough. Others need to change original text document, add a comment to this text, convert Word file to PDF and much more.


When it comes to viewing PDFs, most programs are very similar. But there are exceptions here too. For example, some have an auto-scroll feature, while others do not. Below is a list of the most popular free programs for PDF viewer.

The most famous program for viewing PDF files is Adobe Reader. And this is no coincidence, since Adobe is the developer of the format itself.

This product has a pleasant appearance and standard functions for viewing PDF. Adobe Reader is a free app, but some features, such as text editing and recognition, are only available if you purchase a paid subscription.

This is undoubtedly a disadvantage for those who need these functions, but do not want to spend their money.

STDU Viewer

STDU Weaver positions itself as a universal combine for viewing a variety of various formats electronic documents. The program is able to “digest” Djvu, TIFF, XPS and much more. The number of supported formats also includes PDF. Convenient when viewing the most different files One program is enough.

You can also note the presence portable version STDU Viewer, which does not need to be installed. Otherwise this product Doesn't stand out among other PDF viewers.

Foxit Reader

Foxit Reader is practically similar to Adobe Reader except for some differences. For example, the program has the ability to enable automatic scrolling of document pages, which allows you to read a PDF without touching the mouse or keyboard.

The program is also capable of opening not only PDF, but also Word, Excel, TIFF and other file formats. Open files You can then save it as PDF.

At the same time, the disadvantage of this application is the inability to edit the source PDF text.

PDF XChange Viewer

PDF XChange Viewer is probably the most the best program from those presented in this article. It is completely free and allows you to edit the original PDF content. PDF XChange Viewer is also able to recognize text in an image. Using this feature, you can convert books and other paper text into digital format.

Otherwise the application meets all standards software solutions for reading PDF files.

Sumatra PDF

Sumatra PDF - the most simple program from the list. But that doesn't mean she's bad. In terms of viewing PDF files, it is not inferior to others, and its simplicity appearance Perfect for those users who have just begun to get acquainted with working on a computer.

Solid Converter PDF

Solid Converter PDF is a program for converting PDF to Word, Excel and other electronic document formats. The application allows you to preview the document before converting. The disadvantages of Solid Converter PDF include a shareware license: you can use it for free only for trial period. Then you need to either buy it or reinstall it.

- Extension (format) is the characters at the end of the file after the last dot.
- The computer determines the file type by its extension.
- By Windows default does not show file name extensions.
- Some characters cannot be used in the file name and extension.
- Not all formats are related to the same program.
- Below are all the programs that can be used to open a PDF file.

Blender is a program for working with 3D graphics, which differs from other utilities in that it is open source. This program was developed in one of the studios involved in 3D modeling, but after this studio went bankrupt, the program began to be distributed free of charge. Blender can run on almost any operating system. There are versions of the program even for little-known systems. The package itself includes tools that allow you to work with skeletal animation, layers, architectures, textures, etc. We must warn you that to work with this program, you must have basic knowledge of English...

IN Lately appearing more and more on the Internet e-books, magazines, brochures and all these files are usually in PDF or DjVu format. This program will help you view DjVu, PDF, TIFF and similar files on Windows OS. STDU Viewer is lightweight, downtime and worthy replacement Adobe Acrobat. Everything is included in the program necessary tools to read and search for fragments in a document. The program is available in several languages, including Russian. Among the advantages, we can note a wide range of scaling options: scale to the screen, scale to the selection, display the entire page on the entire screen or only...

Google Chrome- the fastest growing browser, largely due to open source code Chromium, thanks to which it quickly releases new versions and at the same time, quickly eliminates all existing vulnerabilities. The browser has a simple, minimalistic design, which makes surfing the Internet easier, since nothing distracts the user from the content of the web page. Browser tabs are isolated, which, while increasing the reliability of the browser, makes visiting websites safer. Chrome has a built-in JavaScript engine, which significantly speeds up the processing of scripts and increases the speed of...

With easy to use Caliber programs library management becomes truly convenient. Caliber helps you organize all your existing books into an organized library. The program allows you to perform these operations in a relaxed manner in a relatively short time. The program is also equipped with a useful converter function for text formats most commonly used in e-books. In addition to those included in the program various utilities, serving to convert formats, it also includes a news integrator, as well as a function that allows you to synchronize data with an electronic reader...

Icecream PDF Converter is a free and convenient converter that helps convert documents into an understandable format. Also produces reverse operations with PDF documents. Works with text, HTML documents and images different formats. Can merge working files side by side various extensions into one PDF document. The utility offers a number of settings for the final file. Allows you to convert PDF to files with EPS, JPG, BMP extensions without limiting the number of pages. Allows you to convert documents that are encrypted with a password. The program has a built-in module for pre-reading PDF documents.

IrfanView – free viewer graphic files, the distinguishing features of which are small size and functionality. IrfanView supports a large number of formats, has clear interface And necessary set functions. So, with its help you can not only view images, but also rotate them at any angle, do minor color corrections, remove red-eye from photos, etc. Also, using IrfanView, you can take screenshots (both of the entire screen and individual areas), tear out icons and icons from various files, rename files according to a predefined template, and...

CocCoc Browser is an interesting web browser created by a Vietnamese company. Externally similar to Google's product, but has a simplified interface design. The program is based on the kernel of the world famous Chromium engine. Features of CocCoc Browser include the ability to easily bypass site blocking and download files in multiple threads. Quickly catches streaming video and allows you to download content from popular resources. The browser allows you to search necessary information, entering key queries to the search bar. If you lose control of one tab, the user can switch to another without losing data, because...

Iridium Browser is a browser based on the same Chromium, created by a German team. Has improved safety indicators. Controls data transfer and protects user privacy. The page loading speed is quite high. The browser is characterized stable work. Supports latest news in the world of web technologies. It features a minimalistic interface. Has several installed extensions, which are not in Google store Chrome. All Google extensions Chrome is compatible with Iridium Browser. It differs in that it blocks the automatic transfer of information to third parties who want to gain access...

PDF Shaper– a collection of necessary tools for optimal performance with PDF files. The program can convert a PDF document, or several at the same time, into MS Word, or rather into RTF format. But converting documents from PDF to Word is not the only advantage of PDF Shaper, it can also extract certain elements, for example pictures, tables, etc. In addition to these functions, it can split one PDF document into several, or, conversely, combine several documents into one. At the same time, the program works with encrypted documents, and can also restrict access with a password. Very easy to use, even a beginner can...

Chromium is one of the fastest and most powerful browsers now, on the basis of which most popular analogues are created, such as Opera, Google Chrome, Yandex Browser. The Chromium developers have worked hard on it making it fast and secure. Chromium is well protected from malware, phishing sites, etc. Based on its own database, it blocks sites that can harm your computer and fraudulent web resources. In addition, there is an anonymous browsing mode, which is called, like in Google Chrome, “incognito”. The browser cares about user privacy and does not send Google servers no information...

Superbird is an excellent web browser. The program is distinguished by its speed of working with the Internet. According to tests done by developers, Superbird opens and loads pages faster than Google Chrome. Also, the program interface is very similar to the Google Chrome interface, so you don’t need to get used to anything new. Another plus is that it is completely private, Google Chrome collects and sends user data to its servers for many purposes such as statistics, while Superbird is completely anonymous. Supports many plugins and has minimal system load. Superbird is in development and all the time...

Cent Browser is an updated version with the Chromium core, which combines all the necessary functions for fast work in the Internet. The browser also has versatile options such as scrolling tab bar, super drag and drop, and the ability to control tab behavior. But its main feature is the mouse gesture function, which allows you to perform any operations without delay and makes browsing Internet resources as comfortable as possible. For more productive work this option, the browser has an extensive section on setting it up. Another feature of the Cent Browser web browser is the ability to hide using...

Sumatra PDF- fully free program to view formats such as XPS, CBR, DJVu, CHM, CBZ and PDF. The program has a very modest interface, since the developers focused on its speed and minimalism. Unlike the popular Adobe Reader viewer, this program works much faster and only has a set of necessary functions and allows you to edit documents that are simultaneously open in other applications. In addition, Sumatra PDF has a special plugin that can be embedded in a series popular browsers. This will allow the user to open files directly from the browser window...

Cool PDF Reader – convenient program for viewing and pdf conversion files, the distinctive feature of which is its small size and abundance of functions. This program is considered one of the smallest - its size is less than one megabyte, but the program has enough functions to regular user who only wants to view and convert pdf files. The program allows you to view documents in full screen mode, as well as print them in just a few clicks. In addition, you can easily change the scale of the document, or rotate it at an angle convenient for you. Another feature of the program is conv...

SoftDigi PDFViewer is a small application created specifically for viewing various files with the PDF extension. The program has a visually pleasing interface that allows you to combine various PDF documents into one shared file. Allows you to set the minimum document security parameters, the necessary information about this file. The application has features such as moving pages, deleting unnecessary pages, export, change places. SoftDigi PDFViewer allows you to easily insert fragments from other files into a PDF document, as well as quickly export pages to a number of different graphic formats. Effectively exports pages...

Slimjet is a fast and powerful Internet browser. It opens quickly and loads any page quickly, it is also reliable and stable in operation, because it has built-in protection against phishing and additional settings privacy. The program includes many useful functions which users often need, for example, a built-in tool that downloads videos from Youtube. It has a photo editor where you can apply a mono effect and also supports fast uploading of photos to the Internet. Built-in plugin that shows the weather in the right city on the desired date and much more. Slimjet is very flexible in settings and allows users...

DocuFreezer is a simple, reliable application designed to help users convert MS Office documents into a convenient PDF format, most graphic formats. The program supports Word documents, Excel tables, PowerPoint presentations. The utility is capable of converting all selected files of this format. You can convert edited files exclusively for viewing in reading mode. The application is capable of creating PDF files, images that cannot be edited. The utility will help the user to “freeze” the contents of the initial files and protect them from any changes. Final files save all the markup...

Foxit Reader is an alternative popular package for working with pdf files. The program has a very clear interface, the ability to view files in several tabs, high speed operation and full compatibility with popular operating systems. An important factor is the presence of the Russian language in the program, which greatly facilitates working with it. The program has the ability to view documents in full screen mode, leave comments and graphic bookmarks in the text, print documents, view files without leaving Windows Explorer and install various plugins, skins, mods...

Fabreasy PDF Creator is a small-sized program specially designed for converting Microsoft Office, OpenOffice, LibraOffice documents into PDF files. The program can convert many formats into convenient PDF. The principle of operation of the application is simple: just install the program and it will create virtual printer in all graphic and text editors. With this printer you can quickly get required document in PDF format. You can add templates. Fabreasy PDF Creator offers encryption to protect against unwanted access. The utility can be installed on the server and used...

Tesla Browser - good combination minimalistic Google design Chrome, the multifunctionality of Yandex. Thanks to the unique Yandex search, the user will be able to ask different queries with the same meaning, and then the search engine will quickly recognize them. You can enter queries directly into address bar browser. Characterized by high speed of query processing and page search. Tesla Browser contains all the functions of Yandex. Using a web browser, you can easily access all well-known services domestic search engine. The user can synchronize the browser with Google account Chrome.

PDF-XChange Viewer is a fast viewer of the famous PDF format, characterized by high speed and many different functions. For example, the program allows you to easily add comments and annotations to PDF documents, as well as set a password for opening these files. In addition, the program allows you to easily scan text and images and add them directly to PDF files, which is quite convenient. It is also possible to import and export any file content. It doesn’t matter whether it’s text or pictures. You can add any images to the file, or vice versa, cut out these images...

PDFCreator is another virtual printer for create pdf files, characterized by a user-friendly interface and the presence of some additional functions. For example, the program allows you not only to create documents using a simple virtual printer, but also to set additional properties this document. So, for example, you can easily create a template for saving a file, or rather the name you need for this file. As a result, the name will always be substituted with, say, The current date or current time. In addition, you can easily set a password for a file, as well as set the ability to encrypt it. If necessary,...

AOL Shield is another web browser based on the world famous Chromium core. Distinctive feature developers from AOL consider this application increased protection user information and data. The list of features that make visiting websites safe is quite long. AOL Shield protects against keyloggers, phishing sites, form hijackers, and screen grabbers. Thanks to this protection, the user does not have to worry about the interception of personal data. The application supports all plugins and themes that are available for Google Chrome. Supports encryption of information entered by the user in real time...

Balabolka - program for reading aloud text files in a wide range of DOCX, RTF, PDF, ODT, FB2 and HTML formats. Now you don’t need to damage your eyesight by reading this or that book. Balabolka will read any text out loud, no matter what language. Auditory perception, as is known, allows one to assimilate and remember much large quantity information than regular reading. And most importantly - faster. Balabolka will read anything for you while you quietly do something else. Each book, when read, creates a certain mood, but now you can create it with the help of Balabolka. During the playback process you can...

Adobe Reader is one of the most popular programs for working and viewing PDF files. The PDF format is used to create a kind of electronic books, but its capabilities are not limited to this. Some user manuals or training materials are often written in PDF format. In the latest versions of the format, it became possible to embed Flash video into the document. Adobe program Reader perfectly supports all these features and allows you to view all types of documents, regardless of what format modification was used to create them. Among other things, the main Adobe Reader package also includes...

FileOptimizer is a convenient file compression application created by one of the independent teams of programmers. This application features improved compression algorithms and high speed. The program allows you to compress files of almost all types, including archives, text formats, image formats, etc. Also, this program can work with scripts, as well as through command line, which will be especially useful for experienced users. For novice users, everything is very simple. The program is integrated into context menu, which allows you to very quickly compress files located on any disk and in any folder.

ImBatch makes editing any image quick and easy. Just open it or drag it into the program window and you can get to work. Allows you to enable preview from effects and changes and is suitable for simple change colors or for scaling, as well as for more professional work. The program is also good because it is lightweight and does not load the processor when working, everything is very fast - open the image, apply an effect, save it. It has a wide selection of tools and capabilities, can apply effects, such as blur, color settings and many more. ImBatch supports many languages, including...

Coowon is an internet browser based on Chromium. It has a lot of useful functions that, unfortunately, are not present in many popular web browsers. For example, it has a mouse gesture function, with which you can, for example, switch between tabs. Allows you to open multiple accounts in different tabs, that is, it creates unrelated tabs in one browser. You can also adjust the transparency of the program windows, with which you can configure the program so that you can see what is happening in the background. Coowon is especially useful for those users who often play browser-based Internet games that require...

PDF Architect is a simple program designed to convert a range of texts, images into a convenient PDF format. The utility allows you to read created documents and any files with a similar extension. For ease of interaction with the application, you can create a number of bookmarks with the necessary documents, and when you need to switch between them. PDF Architect allows you to resize the document and rotate it. To create your own document with this format, you must complete activation via email. Thanks to this function, any user can create a PDF file from a taken image, text or Comicbook file. The program allows...

Inkscape - open editor vector graphics that is functionally similar to Illustrator, Freehand, CorelDraw or Xara X and uses a W3C standard called Scalable Vector Graphics (SVG). The program supports such SVG capabilities like shapes, paths, text, markers, clones, alpha, transformations, gradients, textures and grouping. Inkscape also supports Creative Commons metadata, node editing, layers, advanced path manipulation, raster vectorization, path-based text, shape-wrapped text, direct XML editing, and more. It imports files in formats such as JP...

Free Opener is a fairly functional viewer of the most popular files, including Winrar archives, Microsoft documents Office, PDF, Photoshop documents, torrent files, icons, web pages, text documents, audio and video files, graphic files including Flash and much more. The number of supported files exceeds seventy. The program does not have the usual settings and options except for changing the design. It is also necessary to note that there is no Russian language, but given the simplicity, do not underestimate the program. Free Opener is a universal and very convenient program for reading various types of files.

PDF (Portable Document Format) is a special universal electronic document format developed and patented by Adobe Systems Corporation. Created for compact presentation, storing important printed documents V in electronic format, as well as for opening and printing them on PCs running on different operating systems. Literally translated, PDF means “ portable document format" In PDF format, you can save information in any form and at the same time it will be displayed the same everywhere.

Today, a format with a similar resolution can be called most popular to present various printed products.

How to open pdf format

Having an idea of ​​how and how to open files in PDF format, users can work without any problems and view a lot of interesting and useful information.

Among most popular universal utilities for quick opening documents submitted to pdf resolution, Can Mark:

  1. Adobe (Acrobat) Reader.
  2. PDF Viewer.
  3. STDU Viewer.
  4. Foxit Reader.

Each of the above listed programs has its own functionality, capabilities, set useful options and will help the user open the PDF on any personal computer, laptop, running on Windows, other OS. Moreover, regardless of the OS or PC version, documents will be opened in the form in which they were originally created.

We use Adobe (Acrobat) Reader

Adobe (Acrobat) Reader – universal free application that is designed for convenient work with PDF. Using this utility, users can open, view, edit, copy, comment, review, and perform other operations with any documents.

The program has quite low system requirements and at the same time is able to open all existing modifications of the PDF format, allowing PC users to work with files through different forms.

Among main functions This utility can be noted:


By installing Adobe Reader on your PC, users 3D viewing available contents of the document. It is possible to play various audio and video files, the function of opening e-books, and the option to enlarge the necessary elements in the text. The program has an intuitive, user-friendly interface.

If this utility already installed on your PC, when you open a document in PDF format, it will be activated automatically. The required file will be immediately opened in Adobe editor(Acrobat) Reader.

Using additional services Adobe (Acrobat) Reader, you can create, convert PDF, and also export them in Word, Excel.

PDF Viewer

PDF-Viewer is an easy-to-use, convenient, secure program for working with PDF. Spreads on free basis. Utility intended for viewing, converting, reading, editing, printing, any PDF.

Using PDF-Viewer, users can perform various manipulations with the contents of documents. Using this utility, you can quickly convert files into other formats(PNG, TIFF. BMR).

After opening the software, you need to select, mark and open the desired document. Near the file window information about this document what can be called advantage of this program.

After opening, the document appears on the screen in a readable form. The program has an intuitive, simple, user-friendly interface, big choice settings, additional options. The main advantage of the free utility is that it works quickly not only on any OS, but also on weak PCs.

How to use STDU Viewer

STDU Viewer universal, very comfortable free utility for working, viewing, editing electronic documentation. The program is convenient, understandable, simple interface, a large number of useful options (scaling, conversion, display modes), simple remedies navigation, allowing you to quickly and comfortably work and view the contents of selected files.

Using STDU Viewer you can add bookmarks while reading, marking the necessary fragments of text, turn pages at 90 degrees, view pages in a spread or one at a time. The program can display several pages on the PC screen simultaneously and support hyperlinks. Implements Fast passage between the pages. When working with electronic documentation, you can change the resolution current page without changing the rest.

To get started, launch the installed utility. In the menu select " File/Open"or right-click on a free field:

Going to Settings, you can tick the necessary items for convenient work with the electronic document.

After pressing the " Open", the document opens in readable form.

Open the document using Foxit Reader

Foxit Reader is quite popular, lightweight, quick utility for reading, viewing, working pdf, various types electronic documentation. Disadvantage programs can be called English-speaking interface. At the same time, thanks to the convenient, intuitive menu, understanding the capabilities of the utility will not be difficult. If necessary, for more convenient work you can additionally download and install Russifier, which will completely translate all menu items.

The program is distributed free of charge. It works without problems even on weak PCs, does not require installation, and is independent of the configuration and version of Windows OS. Foxit Reader respects the security and privacy of users and never connects to the Internet without confirmation.

To open the desired file, launch the program on the computer. In the window that appears, select the desired menu item and confirm the action “ OK».

We find the desired document, open it (“ File/Open"), after which the document is displayed in a readable form.

PDF is an acronym for Portable Document Format. It was created by Adobe to represent various text and graphic information in this file. Typically, these files can only be viewed and printed, but some can also be edited using special programs.

PDF format usually contains information about goods and services; they can be instructions, a book with pictures. Some compare this format to doc format and docx. Only it is a heavier and, so to speak, “magazine version”. Indeed, when you open this type of file, you seem to find yourself in a kind of magazine that is very pleasing to the eye.

Since Adobe created such a format, it means there must be a program that opens this file. It's called Adobe Acrobat Reader. It is best to download the program from the official website of the developer, because that is where the latest version programs.

Downloading and installing PDF readers

Download the package from https://www.adobe.com/ru/(there is a free trial and paid version), we begin to install it. We will be asked to additionally install McAfee antivirus Security Scan. It's up to you to install it or not. The download and installation process takes about 10 minutes and proceeds in standard mode.

Besides Adobe Reader there are many third party programs, which also read and work with these files.

The main two that are popular besides Adobe Reader itself are Foxit Reader (recommended) and STDU Reader. The first one can completely replace the program from Adobe, because it has quite big set tools for working with PDF files.

Moreover, it is completely free. Official website http://www.foxitsoftware.com/russian/products/reader/

Second program - STDU Reader more suitable for working on weak computers. Besides, latest program works very well with most “book” formats.

Now you know which programs you can use to open a PDF file.


The .PDF format appeared in 1993, and was developed by Adobe Systems. Explanation of the abbreviation in the extension name - Portable Document Format.

Program to open PDF files

The standard option for those cases when you need to open a PDF file and view its contents. This program was created by the same company that developed the .PDF format, and is undoubtedly the most popular “reader”. We also convert Pdf using this program. Free software (paid subscription on Pro version will allow you to create and edit files with the PDF extension).

What are PDF files used for?

Most often, files with this extension are product manuals, e-books, flyers, work applications, scanned documents and brochures.

The reason for the popularity of this format is that PDF files do not depend on the programs in which they were created, nor on any specific operating system or equipment. They will look the same from any device.