How to reduce the size of a photo to 2 MB. Services for image optimization. Conclusions about JPG file compression
Sooner or later, all Internet users need to reduce the size of their photos. Sometimes you need to reduce the weight of a photo, sometimes you need to change the aspect ratio. You will spend no more than a couple of minutes doing both if you know how to do it.
Resize photo in pixels
If the picture is too large and does not fit into the frame for the avatar of your favorite messenger, you can simply reduce it or crop it. There are many computer programs and mobile phones on Android that will help you with this.
Built-in Picture Manager
Application Picture Manager included in Office package up to the 2013 version. It allows you to work with photographs of any format, including jpeg, and can be easily launched even on weak computers.
To open the desired picture in Picture Manager, right-click on it, hover over “Open with” and select from the drop-down list the desired program. After this, its main window will open.
If you need to standardize the photo, click on the second menu item and select the desired aspect ratio from the drop-down list. The third item allows you to set clear parameters in pixels. The last one is to reduce or enlarge the picture by the required amount of percent.
At the very bottom of the window you can see what the image size will be now. If you are satisfied with it, click “Ok”. After that, follow the path “File - Save”.
Multifunctional Photoshop
Photoshop is perhaps the most popular photo editing program among self-designers. It can do a lot, including accurately resizing photos without losing quality. However, it has a significant drawback: according to the system requirements, it is not suitable for owners of weak computers.
To open the desired photo in Photoshop, click on “File” and select the appropriate item from the drop-down menu. Then click on “Image” - “Image Size”. 
In the “Fit to” field, you can select a format from a list of standard ones. Next to the width and height, enter the required parameters. The checkbox next to the “Resampling” field is necessary for the program to automatically save the proportions. Once supplied, you just need to enter the width and the height will be calculated automatically. Or vice versa.
When finished, click on “Ok” and save the changes through the “File” menu.
The same program will help you out if you need to edit a picture on your Android phone. Developers have long adapted their software to the operating systems and compact screens of smartphones and tablets.
Simple Paint
Paint is another popular program that comes standard with operating systems. Windows systems. It has a small set of functions, but is extremely easy to use. To open a file in the Paint application, click on the blue icon in the upper left corner and find the corresponding item.
Then click on the “Home” tab and select “Resize” in the “Image” section. 
Everything works the same way here. You should select the units of measurement - pixels or percentages, and enter their values in the appropriate fields. The “Keep proportions” checkbox will protect your image from changing its aspect ratio.
Photo Resizer Service
To resize an image online, follow the link https://photo-resizer.ru/. Click in the highlighted area and upload your image to the site. 
In the fields above, enter the required parameter values in pixels. Then click on the “Create” button.
How to change the weight of an image in megabytes without changing the size of the sides and quality
Sometimes a picture needs to be compressed for transmission over the network or for uploading to a resource without losing quality. For such purposes, there are also programs both on the phone and on the PC.
File Optimizer is a simple and widely used software on English language, which does its job perfectly. It allows you to optimize the size of any graphic file and more. Being very easy to learn, it is suitable even for beginners who are not very skilled with a computer.
To upload a file to File Optimizer, click on the File - Add Files button. In the window that opens, you can select one or more pictures. After that, click on Optimize - Optimize All files and wait a little until the process is completed.
In the program window you will see what the original size of the image was, how much you managed to reduce it and what progress you have made. The pictures are saved to your computer automatically.
JPEG Optimizer is a compact program designed for phones. It is completely free, but it does have small, unobtrusive advertising. Helps compress 10 MB images to 2 or even 1 MB without losing quality.
To upload a photo to JPEG Optimizer, just click on the small pink icon in the upper right corner of the screen. Next, allow the application to access the gallery and files. Find the photo you need on your device and simply click on it. 
The program does all the work on its own, displaying the parameters you are interested in. All that remains is to save the final result using the floppy disk icon at the top right.
There are plenty of programs for resizing images. When choosing the right one specifically for you and your devices, focus on system requirements, device power and Internet speed. We have listed just a few of the most popular applications and services, but know that there are others. Don't be afraid to experiment and look for things on your own.
Is the image size too large? Doesn't fit into a letter or website? Now let’s quickly figure out how to make him lose weight! Probably everyone has at least once encountered the need to reduce the size of an image. After all, pictures from digital cameras and even from mobile phones are not small in size.
It's not difficult to master a couple of techniques. To do this, it is not at all necessary to install such a monster as Photoshop. This can be done as standard using Windows 7/8/10 or using third-party utilities.
How does this even work?
Before resizing images, it is useful to understand how it works, which way to go and how much the image can be compressed. Several image formats are used in everyday life:
- BMP - not compressed images, have a very large size
- JPG or JPEG – compressed images, the most common format
- PNG and GIF are also compressed images. They weigh more than JPG, but have additional features, like a transparent background or animation (gifs)
There are also a million other formats, but it is important to understand that:
- BMP can always be reduced tens of times by simply converting it to JPEG
- PNG and GIF - can also be compressed, but not by tens, but by 1.5-3 times, while losing transparent background or animation, if there were any.
- If the file is already JPEG, then you can compress it by reducing the resolution and/or quality
Resolution is the number of pixels in an image horizontally and vertically. For example, a camera with a 10.1 megapixel matrix has a photo resolution of 3648×2736 pixels. It may need to be reduced to 640x480 pixels, for example. That is, you can reduce the size of a photo by converting it to another format or reducing the image resolution.
INTERESTING: if your file has a BMP extension, then it can be reduced many times by simply resaving it as a JPEG. If you use 100% quality, then the difference will not be noticeable by eye. How? Read below.
How to reduce image size using standard Windows 7/8/10 tools
For this we need a standard editor Paint images. You can watch the video or read the article:
Actions by point:
- And enter in percentage by how much to reduce the image, or specifically in pixels. By the way, in Windows XP you can only enter percentages. If you leave the “Maintain proportions” checkbox, the image will not be flattened or stretched.
- Save the image as JPEG.
The only thing that cannot be done in Paint is to change the JPEG saving quality (compression quality), but this can be done in third-party utilities. By the way, the Paint program will also be useful for you.
Compress photo sizes using Irfan View
The Irfan View program is one of the most popular, very easy, and allows you to adjust photos in different ways. Around the world, about 1 million people download it every month! Download the wonderful and free IrfanView program on the official website from the Download section.
During installation, you can click “Next” all the time. To apply the Russifier, you need to enter the menu when you first start “Options -> Change language...” and select “RUSSIAN.DLL”.
After installing the program, in context menu images will appear “Open with -> IrfanView”. Let's choose it.
Let's go to the menu "Image -> Resize Image"
The window provides the opportunity to change the size at your discretion, as you wish. You can enter the desired size in pixels, centimeters or inches, or as a percentage, you can select one of standard sizes, or just click the “Halve” button
I also recommend choosing the “Lanczos (slowest)” conversion algorithm. This is the highest quality algorithm, and the slow speed will be noticeable only when batch converting tens and hundreds of images (the program also has this function).
Now save the file in the menu "File -> Save As" and select the JPEG type. Here you can choose the JPEG compression quality. The higher the better. The loss of quality from 90% is almost imperceptible, and at 100% there is almost no loss of quality, but the file size increases. For large images intended for uploading to the site, it makes sense to check the “Progressive JPG format” checkbox. In this case, the image will not load from top to bottom, but first a blurry silhouette will appear, and then full version. I think you've seen this on the Internet.
I just want to send an email in Outlook!
And if the task is simply to reduce the size of the investment in Microsoft Outlook, then in the letter editing window, click “Attachment Options...” and select “Select picture size:” and your preferred size. You can set “Large (1024×768)” (“Large”) if there are few images in the attachment.
Now you can easily save pictures from the required resolution for a website, mail or without installing Photoshop. Share this useful advice with friends using social network buttons!
Some sites allow users to upload photos of themselves, be it screenshots or avatars for their personal profile. The problem is that frequently uploaded images must not exceed a certain size - for example, no more than 300 pixels wide and 250 pixels long. A limit can also be set on the file size - no more than 3 MB.
But what to do if the image you need does not meet the requirements of the portal? There is no need to immediately rush to look for another image; If you know how to reduce the size of a JPG file, you can fit any image to any requirement. The very concept of “image size” can have two definitions, depending on what meaning the speaker puts into the words:
- The physical size of the picture is height and width (measured in centimeters, inches, pixels).
- The amount of space that the image file occupies on the media. Measured in kilobytes (megabytes).
The higher the quality of the picture, the more space it will take up on the disk. The same applies to physical size, so reducing the number of pixels and a slight reduction in quality will combine to produce maximum effect.
Using Paint
Standard editor Paint pictures V latest versions Windows has undergone a significant transformation, becoming more functional and user-friendly in terms of interface. It is clear that it does not reach the functionality of specialized applications such as Photoshop, but it copes with basic tasks without difficulty. To reduce the size of a photo using Paint:
Working with Photoshop
Adobe's graphic editor provides users with a huge number of functions. You can, for example, install a font in Photoshop and make an inscription on the picture, completely change the image using simple tools, etc. It is clear that among such a variety of functions there is also the ability to simply and quickly change the image size.
Please note the following feature:
To manually specify both values, you must uncheck the “Maintain proportions” checkbox.
Deterioration in quality
If you cannot reduce the physical size of the image even further (for example, the inscriptions become unreadable), and you need to remove another hundred kilobytes from its volume, then you will have to resort to degrading the quality. To do this, you need to change the image settings:
- Open graphic file via Photoshop.
- Expand the "File" menu and select "Save As".
- Check the format (*.jpg) and click “Save”.
A small JPEG Options window will appear in the editor window. In the Image Options field, you can see a slider that allows you to adjust the quality. 
In digital display, you can vary this indicator on a scale from 1 to 12; you just have to set the desired value.
For example: a file with best quality weighs 800 KB, with medium – 150 KB, with low – 60 KB.
Don't be too zealous about degrading quality: experimentally determine when the amount of space occupied on the media becomes low enough and save the changes. Even more opportunities to reduce file size are in the video tutorial:
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PDF files with abundance graphic elements look nice, but convey them over e-mail– sheer torment due to the large size of such documents. There is no need to wait long for the file to be attached to the letter, because you can reduce its size with virtually no loss of quality. Fortunately, there are plenty of ways to do this - choose whichever you want.
It is worth noting, however, that half of the methods listed below are only possible using Acrobat DC from Adobe installed on your PC. This is a paid product, but the 30-day trial version is completely free. It is available on the official Adobe Systems website.
Using CutePDF or another PDF converter
You can reduce the size of a PDF file using one of the converters, for example, CutePDF. It allows you to convert files from any printable format to PDF, as well as change the document size, increasing or decreasing the quality of images and text. When you install this product, a virtual printer, which instead of printing documents converts them to PDF format.
1. Download CutePDF from the official website (free) and install. Don’t forget to install the converter along with it, otherwise nothing will happen after clicking the “Print” button.
2. Open the file in a program that supports its format and has the ability to print documents. If it's a PDF file, you can open it in Adobe Reader; and if the file is in doc or docx format, it will do Microsoft Word. Click on the “File” menu item and select “Print”.
3. When the printing settings window opens, select CutePDF Writer from the list of printers.
4. Click on the “Printer Properties” button, in the window that opens, click on the “Advanced” button and select the content display quality. To compress the file to the desired size, select a quality lower than the original quality.
5. Click the “Print” button and save the file to the desired location. Only PDF is available for saving, regardless of what format the document was originally in.
Using online tools
If you don’t want to download and install anything, then you can compress the PDF file online. Compressing and converting documents online is fast and convenient.
1. Find a suitable tool on the Internet, such as Smallpdf. Unlike other similar online tools, here the user is not limited in the size and number of documents he can upload.
2. After visiting the website, upload the required document. This can be done by clicking on the inscription and selecting the file using Explorer, or by dragging the file with the left mouse button and dropping it in the desired area. You can also add a document from Dropbox or Google Drive.
3. When the process is complete, click on the “You can save the file” button and select a location on your PC for it. To upload a compressed document to Google Drive or Dropbox, click the corresponding icon on the right side of the button.
In addition to Smallpdf, there are many other online compressors on the Internet: Compress PDF, Online2pdf, PDFzipper and others. Some allow you to upload files up to 50 MB in size, others - up to 100 MB, others have no restrictions at all, but they perform their work at approximately the same level.
In Adobe Acrobat
Compress PDF file you can in Adobe Acrobat DC, but not in the free Adobe Reader.
1. Having opened the document in Acrobat, click on the “File” menu item, then select “Save as another” and click on the line “Reduced PDF file”.
2. Click in the drop-down list on the version of the program with which your document should be compatible. Having chosen the most new version, you can compress the file as much as possible, but there is a risk that it will become inaccessible in previous versions"Acrobat".
3. Click on the “Ok” button, wait for the compression process to complete and save the compressed document to the desired location.
Another PDF compression method in Adobe Acrobat DC
If you have Adobe Acrobat installed and need to compress a document located on your PC, it is much more advisable to use the previous method. The same method can be used when required file uploaded to, say, Google Drive, and you need to download it, reducing the size at the same time.
1. Log into Google Drive from your account, double-click the PDF file you want to compress, and click the printer icon to open the print screen.
2. In the window that opens, click on the drop-down list and select the Adobe PDF line.
3. By clicking on the “Properties” button, you will open another window where you need to select the “Paper and Print Quality” tab, and then click on the “Advanced” button at the bottom of the window.
4. In the drop-down list (see screenshot below), select the desired document quality, at the bottom of the window click on the “Ok” button, then in the next two windows also click on “Ok”.
5. Save the reduced file on your PC.
Using Adobe Acrobat and Microsoft Word
The essence of this method PDF compression-documents is that you first convert a file from one format to another, and then do the reverse conversion.
1. Open the PDF document through Adobe Acrobat, go to the "File" menu and select "Save As".
2. Click the “Select another folder” button, then select the file type “ Word document(*.docx)" and save location. Click on "Save".
3. Having opened the document in Microsoft Word, click on the “File” item and select the “Save as Adobe PDF” sub-item.
Using PDF Optimizer
This method of reducing the size of PDF files also requires the use of software from Adobe Systems.
1. Open the document you want to reduce using Adobe Acrobat. Next, go to the “File” menu, click on the “Save as Other” line and select “Optimized PDF File” to launch the PDF document optimizer.
2. In the “PDF Optimization” window that opens, click on the “Estimate space usage” button to understand which elements take up how much space in the file (in bytes and percentage).
3. Having assessed what can be reduced and what does not make sense to compress, close the window by clicking on the “Ok” button and set the necessary compression parameters. To do this, in the left part of the window, left-click on one or another item, and in the right part, change the parameters.
4. You can delete images, change them from color to black and white, compress them, change resolution, change built-in fonts, etc. Having “played enough” with the parameters, click on the “Ok” button and save the optimized file to the desired directory.
A way to compress PDF files on Mac OS X
PDF documents created operating system Mac OS X is noticeably larger in size than files with the same content created using Adobe Acrobat. If you are a Mac OS X user and want to reduce the size of the PDF file you create, do the following:
- Open the TextEdit application, then click on “File” in the program menu, and then select “Print”.
- In the lower left corner of the window that opens, you will see a button called PDF. Click on it, and then on the line “Compress PDF” in the drop-down list. The result is a more compact PDF file.
Archiving a file
To ensure that the document takes up less space on your computer, you can archive it using one of the archivers, for example, 7Zip or WinRAR. Both programs are quite popular, but the first is distributed free of charge, and the cost of using the second is over a limited period. trial version, you'll have to pay.
To compress a document using 7Zip, click on the file right click mouse, then with the left button of the manipulator, first click on the line 7Zip, and then on the inscription “Add to “file_name”. Then the archive will be created automatically.
If you want to set certain parameters before archiving, select the “Add to archive” line. Then a window like the one in the screenshot below will open.
By using an archiver, you can significantly reduce the size of a document, as well as create an archive consisting of several files, compressed and combined with each other. This will make it much easier to store and transmit them via email. Just before sending an archived PDF file, make sure that the recipient also has an archiver installed, otherwise he will not be able to open the archive.
Note: Adobe Acrobat and Adobe Reader are not the same thing. Reader is free, but its feature set for editing PDF files is extremely limited, so you can only reduce the size of documents in Acrobat. However, Adobe Acrobat is a paid program. And if you don’t have it and don’t want to buy it, use other options for compressing PDF documents that are not associated with it.
I continue series of articles, About why you need to prepare photos for posting on the Internet. In the last article, I hope I explained in detail why this is needed, now I will continue this topic. And so, let's start with the fact that the photo, before posting on your page or at file exchanger, you need to compress. That is to say in simple words,reduce the weight of the photo. Let’s say you took a photo and decided to post it online, but it will weigh a lot and take longer to load than a compressed one. I want to give an example of how it is possible without a big loss in photo quality reduce it in size.
For this we need Photoshop program and some time. Let's begin. Open your photo using Photoshop and start working on it. I chose this photo and before processing it weighed almost 4 megabytes, dimension 4000 by 3000 pixels, and resolution 480 pixels/inch. Imagine if he has a slow Internet, he won’t watch it at all, he won’t have the patience to wait for it to load.
Now we press Alt+Ctrl+I, or through the menu “ Image”-“Image size...”, a window like this will open in front of us, in which the parameters of your photo will be indicated.
Now we need change value“Resolution”, in this example it is equal to 480 pixels/inch, but for the Internet it's too much great importance, change it to 72 pixels/inch. But I want to remind you that if you are posting for later printing, for example baby photo, then you should not use this method. This example processing is only suitable for further browsing on the Internet.
Once you have entered the value 72 you will see that The size of your photo has also decreased and photo sizes are now suitable for the web. On the monitor, the photo will look better than it did before, it will not fall outside the monitor frame and you won’t have to move it.” sliders" Size decreased by 600Х450. Accordingly, the weight of the photo too became smaller. Save and see for yourself, now it's around 500 kilobytes, Significant reduction in volume. Much better already. but you can achieve even better results.
Before this you saved in the usual way, “ File”-“Save as”, this is acceptable, but there is another way. Select menu “ File”-“Save for Web devices” or press the keyboard shortcut Alt-Shift-Ctrl-S, a window like this will appear ( The picture is clickable, open for full view)
Now in the settings we select the format, this is JPEG and we establish quality “ Very high”, if you select “ Maximum”, then the photo will not lose much weight, but C “ Very high” it will noticeably decrease in size. Now we save and look at the result, in my example the photo became 221 kilobytes. As you can see there is a very noticeable decrease in size from 4 megabytes to 211 kilobytes.
But you can always choose quality to your liking, in the previous window, there were two images, the left one is original and the right one is compressed, this is for comparison before and after the operation.
As you can see, everything is quite simple and if you know the procedure, then this is done within 5 minutes, but these 5 minutes save you from a lot of inconvenience. Now your photo is ready to be posted online. Happy shooting!
