Advice 1: How to reduce weight pictures

Very often, sending photos by email or uploading them to social networks, it is necessary to reduce the weight of the pictures for quick download. But how to reduce weight photos without losing image quality? It's very simple! Reducing the volume of photos takes only a few seconds.
How to reduce weight pictures
You will need
  • Free image editor "Paint.NET" (download from official website: http://paintnet.ru/download/) or shareware/paid software for image editing.
Instruction
1
In order not to lose the photo quality, it is better not to use to convert the standard program “Paint” from Windows. Use the free program “Paint.NET” in the Russian language. This app is takes up little space on disk and is available even to the beginner. Or install a shareware program for photo editing. It can be a program “Adobe Photoshop”, “Ulead PhotoImpact”, “ACD SeeSystem” and others.
Consider taking how to reduce weight photos in the free program "Paint.NET" Upload the desired photo into the program click "File" - "Open" or drag the picture file into the program window. Now, in order to reduce the weight of the photos, click "File" - "Save as". The smallest amount of graphic files have the extension JPG or JPEG. Files of the type PNG have the best quality JPG is indistinguishable from the human eye, and a larger volume. The biggest weight give pictures formats BMP (bitmap) and TIF. Select the file type JPG/JPEG and click "Save". The screen displays saved photos and the slider to "Quality", defined in percentages. The default quality of JPEG photos 95%. You can drag the slider until the picture quality starts to fall, for example, up to 80-85%. On the right You will see the result after saving (preview) and future weight photos.
Also a good way to lose weight big picture is to change the permissions. To do this, select "Image" - "resize". Modern digital cameras are able to capture images of 4000x3000 pixels or more. You can proportionally decrease the resolution, for example, up to 2560x1920 – this is the resolution of the large monitor. The picture quality will remain the same.
These two ways, You can always reduce the weight of pictures without loss of color and picture quality.
Note
When you edit a photo, always select "Save as" and not just "Save". This will allow in case of loss of image quality is reduced by the weight of the picture are original picture. Remember that degrade the quality of photos possible, but to improve - is quite problematic.
Useful advice
If You don't know how to reduce the weight of a large number of photos, such as thousands, use photo editor with batch conversion.

Advice 2: How to reduce image without losing quality

Want to make a beautiful avatar, or edit photos for your blog, but do not know how to reduce image without losing quality? In this case, you should contact the editor. There are several custom programs to work with images in which you can reduce the imagewithout worsening its quality. The most famous, IrfanView, Paint, Adobe Photoshop. To solve this problem, the most suitable Photoshop.
The ability to save images to which any Internet user.
You will need
  • 1. The original image of sufficient size.
  • 2. The Program Adobe Photoshop.
Instruction
1
Open the image in Adobe Photoshop in the "File" menu, clicking "Open", choose your image.
2
Before reducing the image, it is necessary to edit by using the filter "Sharpen". Select menu "Filter", there is hover your cursor over "Sharpen" and click again "Sharpen".
3
Let's say you want to reduce the size of image to 200 pixels wide. In order not to lose the quality, you first need to reduce it by half (50%). In the menu "Image" click "Image size" then in the box that appears in the line called "Width", choose "percent", and enable set the percentage to 50 and click "OK". The result is the image size, for example, 300h400 pixels.
4
Now again edit the image with the filter "Sharpen" in the same way as before. Then you need to reduce the size to us (200 pixels), re-opening the menu "Image" - "Image size". In the line "Width" select pixels" and set the size to 200.
5
The last step is to use the filter "Unsharp Mask" designed to increase the sharpness of the photo. To do this, open the context menu "Filter", select "Sharpen" and click on "Unsharp Mask". In the window that appears you need to set values for the three parameters ("Amount", "Radius" and "Threshold". "Amount" means "power" , the higher the value the greater the clarity (try to kick 50%). "Radius" defines the zone of increasing contrast (exhibit 1.0), and "Threshold" follows the distinction between the "neighboring" pixels (enter '0').
6
It remains only to save the result. Click "File" in the main menu and select "Save As". Write the name of the file, and choose from the list of formats to save you need (most versatile - JPEG).
Note
In all cases, the question arises: how to change image size while keeping the picture quality? Today we will try to perform this operation in the famous graphic editor — photoshop (Photoshop). If you put a tick next to Resample Image then reducing or increasing the linear dimensions change photo size in pixels. Photoshop will automatically add or remove pixels from the photo that will inevitably affect the quality of the photo.
Useful advice
You probably once in your life needed to change the image size, zoom out, zoom in, tilt, round, zoom out and many other things without the help of Photoshop we can not do. Suppose your photo should be placed on the storefront, which is located in the image slightly at an angle. Showcase the picture goes away, that is, its two rear corner located farther and more closely spaced to each other than the front two.

Advice 3: How to reduce pixels in photo

To publish on the Internet photography should be optimized. Otherwise they would weigh too much and many people may have problems with their downloading and viewing. If you want the picture lost sharpness and quality when reducing, it is necessary to know some rules of optimization and image compression for the Internet publications.
How to reduce pixels in photo
Instruction
1
Do not convert or save the pictures to JPEG – this format does not provide sufficient compression, and you can get a small photo of poor quality and large size. Convert the original photos to TIFF or PSD, if your camera shoots in RAW. If you have a simple camera, shooting directly to JPEG, save all photos as TIFF or PSD.
2
Open the photo in Photoshop and perform retouching and color correction, correct the white balance, and if necessary, adjust the brightness and contrast, eliminate noise defects. Preparing a photo to slimming, save the original in a separate folder and work from the copy.
3
To begin, open the Image menu and under Image Size select the desired size pictures. Find in this section the block Pixel Dimensions and if your picture has a horizontal orientation, set the width to 800 pixels, and frames for vertical orientation, set the height to 800 pixels. Make sure that the scale of the photographs is equal to 100% and click Filter.
4
Section select Sharpen>Smart Sharpen and apply a filter to photos, setting the following options in its settings: Amount: 300, Radius: 0.2, or Amount: 100, Radius: 0.3. Watch for any changes in the pictures in the preview window. After getting the result you want, save the image.
5
There is a more complex method of reducing photos without losing quality, in which the processing of the photos to start with converting it to Lab. To do this, open the Image menu and select Mode>Lab Color.
6
Then go to Image Size and the block Pixel Dimensions set to horizontal photos width of 3200 pixels and a vertical height of 2,400 pixels. Scale image reduce to 50%, and the palette channels (Channels select Lightness.
7
After that, open the filter menu and choose Sharpen>Unsharp Mask with the following settings: Amount: 150-300mm, Radius: 0.8-2,0, Threshold: 15-30. Check whether the increased image noise. Open again the Image section Size and set the width value to 50%, then return the real pictures and in the palette view, select, as in the previous case, the Lightness channel.
8
Open the filter menu again and select Unsharp Mask by setting all values to 50% of previous values. To channel And apply the Blur filter, and then the same filter will apply to channel B. Then go to Image and select Mode>RGB Color. Convert the photo back to RGB, save it.

Advice 4: How to reduce image without losing quality

Quality and colorful pictures usually have a large volume, which is invalid in the case of posting photos online. However, everyone wants to put in a social network or photo sharing site footage that has not lost its quality after reducing the size. Learn how to optimize photos for Internet publications so that their quality is not affected after changes — for this you need Photoshop.
How to reduce image without losing quality
Instruction
1
Upload a photo in Photoshop, and then adjust its color, saturation and contrast if necessary. Tratorious frame, open the menu Image -> Image Size to bring up a new window change the image size.
2
The window will display the original size of the original frame, which can be any. In order to change the size, enter your desired numbers in the fields Width and Height. The program automatically determines the proportional size of the frame, so it is enough to enter only the height or only the width of photos — for example, 800x600 or 1024x768.
3
After the file is reduced in size, open the File menu and select the option "Save for web". So, Photoshop yourself will optimize your photo for the network of publication and will not be reduced only to its real size, but the volume in kilobytes.
4
Select in the settings window when you save the item in JPEG High. Look at the size of the photos and if you're satisfied, click "Save". If the size does not suit, move right or left the slider settings, while the volume of the frame will not match the expectations.
5
Save the photo under a new name that better is to write Latin letters for the correct display on the Internet. Now you can publish it on any Internet site, and when uploading photos, even users with slow Internet channel will have no delays.
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