PDF file compression converter. Reducing PDF size. Converting to DjVu format

23.05.2020 SSD drives

Even with the help of a fairly simple converter you can reduce the size of a PDF document. But here you need to be as careful as possible; not all documents can be compressed using this method. Using a converter is considered one of the most simple ways to reduce disk space consumption.

All actions will be performed using the example application PDFConverter:

The reduced file will be stored in the folder specified in the program.

Online tools

There are a lot of sites on the Internet that allow you to compress a document in any format in just two clicks. For this it is enough:

Attention! For documents containing very important information, it is better not to use such resources. Personal or confidential information may fall into the hands of strangers.

Adobe Acrobat application

Using the program Acrobat Reader You can also try to reduce the file size by saving it again. This method is not always suitable, in some cases it is the opposite will increase occupied disk space, so you should be careful when using it:

Compression using Adobe Acrobat DC

This method can reduce the size of very large documents. With pre-compressed files, printing to a file may not help, and in some cases the size will be increased. Therefore, the presented method should be used with extreme caution.

How to use Adobe Acrobat DC:

Printing is complete, now you can access the catalog in the saved PDF, open him or send by email.

We use Acrobat and Word

This size reduction method involves saving as a .doc in Acrobat DC and converting back using Microsoft Word or other similar text editor.

The procedure for converting formats:

Using the optimizer

Using a special PDF compressor (optimizer) is one of the simplest and effective ways reduction in size. In this case, the user will not need to perform such difficult actions as printing to a file or changing the format.

All necessary actions will be shown using an example. PDF applications Compressor:

Archiving files

Archiving can also provide impressive results in reducing the size of any type of data. For these actions you will need to use a special archiver(WinRar, 7zip and so on). Attention, to open data compressed in this way, you also need to use an archiver.

How to compress data using 7zip:

Compression is complete, now you can open or unpack the resulting archive.

If you need to send a PDF to yourself or someone else, but it's too large to attach to an email, you can reduce the file size for free using our online PDF compression tool without sacrificing file quality. You won't find anywhere else online tools to convert and compress PDF files like ours, completely free of charge. With ease of use, fast PDF compression and a variety of useful tools For convenient work with PDF files, our software can be considered an excellent solution.

Permanently deleting a file

After using our free PDF resizer tool, all remaining data will be permanently deleted from our servers, including backups; this will provide sufficient time for files to be downloaded before they become unavailable on our servers.

Encrypted files

We encrypt all PDF documents and other files transferred to our servers using 256-bit encryption technology. We understand the importance of privacy and security, which is why we protect your PDF and other file types using secure encryption technology. Even the most powerful computers, such as Summit or Sierra, will have a hard time cracking this code.

Convenient access anywhere

As long as you are connected to the Internet, you can use our tools PDF conversion or compress PDF online for free. Plus, because our PDF size converter and other tools are universal, you can download, convert, or compress PDF files, transferring them from any device or operating system you use, anywhere in the world.

Try our PDF compression tool for free

You can use our PDF reducer and other tools for free, or subscribe if you use our programs frequently. By subscribing, you'll immediately have access to a PDF compression tool and can even download as many files as you want at one time.

Lots of PDF tools

Whatever you need to do with your PDF, we have the right tool for you. We can offer you almost any change: from merging and splitting to rotating and converting. With a variety of PDF conversion tools, we offer ready-made solution for all editing tasks of this format.

After PDF creation document, it is usually very large in size; to optimize it, you need to know how to reduce the size of a PDF file.

PDF– a very popular document format among users. Universal program to view of this format on all types of OS - adobe reader.

Advantages of the format:

The quality of file display is superior to compression types such as JPEG and GIF;
Standardization – documents with this format can be opened on all devices, while appearance the document will not change;
Ensuring security - when transferring PDF files online, you can always be sure that no one will gain access to edit the file. It is also difficult to embed a malicious virus script into such files;
Support for a large number of compression algorithms;
Automatic detection of document authenticity.

Adobe Acrobat Pro for compression. Using Standard Features

One of the most popular programs for working with PDF files is Adobe Acrobat Pro. With its help, you can edit a previously created document and reduce its final size.

The application is paid, however, users can download a free one trial version for 30 days or a portable version with reduced editing functionality.

The program allows you to significantly reduce the size of the final file.

Follow the instructions:

Open your document in Adobe Acrobat;
On the main panel, enable the File tab;
Find and select “Save as another document...” and then “Reduced file size”, as shown in the figure below;

Next, a window will appear in which you will need to specify the necessary parameters and the level of protection of the document being created;
After converting the file, click again on the “Open” – “Optimized file” tab and in the pop-up list, click on the “Save as another...” item;
Select a location on your hard drive where you want to save the document at a reduced size and click OK. This program allows compression without loss of quality.

In Adobe Acrobat, you can not only optimize a file, but also forcefully reduce its size.

To do this, follow the instructions:

Open the document in the program;
Now enable the File tab on the main toolbar of the utility;
Select “Save as another” and in the new list that appears, click on “Reduce size”, as shown in the figure below;

This method is perfect if, after optimization, the size has not decreased to the level you need.

In the new window, select the version of the program with which the final file will be compatible;

Click OK to apply the options to only one file or Apply To Multiple to save the settings for several PDFs at once.

You can compress a file using the built-in functions of the operating system. Windows systems. If the document does not open or takes too long to open, emergency compression is necessary. To do this, you need to open the properties of the PDF file.

Then, in the general settings, find the “Other” button and in the window that opens, check the box next to the “Compress contents...” item marked in the figure below. Save your changes by pressing OK.

This compression method is the simplest, so after compressing files whose size is several GB, the overall image of the content may be slightly distorted.

After compression, open the document in Adobe Reader to check its quality.

If it is invalid, return the original properties and optimize the file using third-party utilities.

If you only need to reduce the file size by certain time, use utilities for archiving data.

For example, 7Zip or WinRAR. In the future, if necessary, you can quickly unpack the archive and get a PDF with the initial size.

Cute PDF utility

Let's take a look at the Cute PDF program. It is one of the most common applications for converting to PDF and optimizing the final documents.

The utility is free to download and offers a wide range of features. Direct link to download the file: http://www.cutePDF.com/.

The program creates on the computer virtual printer, through which the user interacts with the main functions.

To reduce the size the desired file using Cute PDF follow the instructions below:

Open the document in any reader for PDF format;
Now click on the “Print” button;

In the window that opens to configure print settings, indicate that the printer is named “Cute PDF”, find the “Properties” or “Properties” button and click on it. IN operating system In Windows, this key is located opposite the printer name;

Note! If the name Cute PDF is not in the drop-down list of available printers, the program may have been installed incorrectly or you did not restart your computer after installation.

In the window that appears, open the Compression tab, then select the desired quality level and degree of compression of the document. Save the settings and close the properties window;
Now in the printer settings window for printing, press the Print button;
Next, a window will appear to select where to save the document;
Wait until saving is completed and check the size of the final file. If necessary, you can perform all of the above steps on the compressed file to further reduce its size.

Using Google Drive storage and Adobe Acrobat

You can perform compression directly through your Google Drive. The computer must also have Adobe program Acrobat. Login to your account on disk and download required file PDF.

Then you need to open the PDF in your browser. To do this, select a document from the list of previously downloaded ones, right-click on it and click on “Open” or “Open”.

Now you need to send the contents of the PDF tab to the print queue. To do this, open the print settings window in your browser settings. Select Adobe PDF from the list of available devices. Next, click on the OK button.

Instead of the usual printing process, the process of saving the document to HDD computer. In this case, the program will automatically optimize it, which will reduce its size.

Remember! In order for the Adobe PDF item to be available in the print list, on your personal computer Adobe Acrobat must be installed. Otherwise, saving using this method will not be possible.

Compression using MS Word

Popular word processor Word from the package software MS Office will also help you reduce the size of the final PDF. Open the file using the Adobe Acrobat utility. Then save the document as MS Word (Figure below).

Now find the saved object and right-click on it. In the pop-up list, click on the “Convert to Adobe PDF” item, as shown in the figure below.

Wait for the process to complete. As a rule, it will not take more than two minutes. This way you can reduce the document size by approximately thirty percent without significant loss of quality.

The best online converters

Thanks to open source software, many services have appeared on the Internet that replace some desktop programs.

To reduce the size of the document you need, you can use the following services:

Shrink PDF. Official link to the resource: http://shrinkPDF.com/ru/. This online converter allows you to reduce the size of up to 20 documents at a time without loss of quality.

To get started, click on the “Open” button and select documents on your computer for compression. Wait for the object to be loaded onto the service.

Now the file and the status of its compression process will appear at the bottom of the page. Wait for the process to complete and download the resulting file to your device. The figure below shows an example of using the service;

Also, using this service you can instantly compress files JPEG format and PNG. To do this, switch to the appropriate service tab.

SmallPDF. Link to home page website: https://smallPDF.com/ru/compress-PDF. Using this service you can optimize popular formats, including PDF.

To get started, drag a file from your desktop onto the red area open page in the browser. You can also open the file using cloud storage from Google or Dropbox.

Wait for your document to finish loading. The compression process will then begin automatically. As a rule, the service allows you to compress a file by 5% -20%. This is not much, but this method allows you to preserve the original quality of the document.

http://PDF-docs.ru/.

To perform compression, find the small window on the right side of the page. Then upload your file and select the compression type. Press the Forward key and wait a few minutes for the process to finish. Next, the file will automatically start downloading to your computer.

Video materials:

Have you created a PDF document, but it is very large in size? Are there too many documents on the media and they take up a lot of memory? You need to send a message, but the document is too large and loading it takes a lot of time, or is not possible at all due to the size of the document?

Today this problem will be resolved, several solutions will be considered. Most of the methods mentioned below are only possible in the software shell - "Acrobat DC" from Adobe, which requires installation on a computer. This software is paid, but it is possible to use a trial version for 30 days. But other options will also be considered, that is, without using the Acrobat DC software from Adobe.

1. How to reduce the size of a pdf file using online services

If you don’t want to download and install anything, there is a great opportunity to compress a PDF file online. Compressing documents online is convenient, reliable and fast. There are many services on the Internet that can help you reduce the memory footprint of a PDF file for free. Below are some of them:

1.1. SmallPDF - online service for compression.pdf

1. Open the desired file that you want to compress using Acrobat.

3. In the next “PDF Optimization” window, you need to select the “Estimate space usage” option in order to know which components of the document take up the most space in the document. The calculation is carried out in percentages and bytes. Taking into account the information on estimating the space occupied, and making a conclusion about what needs to be compressed and what is not worth it, you can proceed to directly compressing the file. To do this, in the upper left part of the window you need to select parameter items with the left mouse button, and in the upper right part you need to change the settings themselves. After all necessary settings the file should be saved.

The use and distribution of unlicensed software can create additional difficulties in the operation of your PC; beware of such programs and sites. Enjoy!

If you've been around PDF files often, you know that sometimes they can be quite heavy with images or other graphics. Fortunately, there are now many ways to compress any type of file, including PDF documents.

In this article I will tell you a couple of ways to reduce the size of PDF files. If you have Adobe Acrobat (not free), then this is much easier, but we will only use free ways.

Method 1 - SmallPDF.com

This is the easiest way to make your PDF file smaller. Using this free service You can also convert PDF to: Word, PTT, JPG. In general, the functionality is very extensive, but we will return to our goal.

So, go to the website smallpdf.com. Next, select the language at the bottom of the screen.

Next, click on “ PDF Compression».

Now you need to either drag your document to the appropriate area, or select it in the standard way.

Then we wait a few seconds until the file is uploaded to the server and compression takes place. Upon completion, you will receive the following message (see screenshot below).

To download an already reduced PDF file, click the " You can save the file" By the way, the service works with cloud storage Google and DropBox, which is very convenient. You can upload files from the clouds, as well as move already compressed documents to them.

As you can see in the screenshot below, using this online service we were able to reduce the file size from 5.46 MB to 3.1 MB. Pretty good compression, and it's free

Among others online services I would also recommend using pdfcompressor.com/ru/ or convertio.co/ru/compress-pdf/. I especially liked the last service; if you select a high compression ratio, the document size will decrease by 15-20%, although there is no significant loss of quality.

Method 2 – PDF Compressor Program

Wonderful free program to compress documents into PDF format. You can download it on the official website pdfcompressor.org. We install and start working with the program. First you need to upload the file, to do this, click on the “ Add file"or simply drag the PDF into the central area of the window.

Then click on the button “ Start Compression" After 10-15 seconds we will get the result.

The result did not console me, since my document was compressed by only 1 KB. But if you work with files larger than 20 MB, then the PDF reduction occurs by 30-40%.

Compression using PDF programs Compressor is good because the document does not lose quality. It is also useful that in this program you can work with PDF documents in batch mode, compressing 100 or more files at a time.

Method 3 – Free PDF Compressor

Free and easy to use program. You can download it from freepdfcompressor.com. After installation, go directly to compression.

Upload the document by clicking on the " Browse" in the first line. In the second line we indicate the path where the compressed file will be saved. PDF file.

Next, select the compression format. Of the five presented, I recommend installing “ Printer..." In this mode, compression occurs with minimal loss of quality (purely my observation).