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JPEG Contrast Increaser

World's Simplest JPG Tool

This is a simple browser-based utility that increases the contrast in a Joint Photographic Experts Group (JPG/JPEG) picture. As soon as you paste a JPG/JPEG picture in the input area, the utility will make the contrast higher in the select area. You can set any contrast level you need using a convenient percentage option. Additionally, you can choose the area where to apply the contrast effect using the position and dimension options. Created by mad scientists from team Browserling.

᠎᠎᠎          Tool Options

Contrast Increase Percentage

The percentage of increased
contrast, where 100% is the
current contrast level, and the
range from 101% to 200% is
the higher contrast.

Contrast Effect Area

Area starting points (x, y):
Position x.
Position y.
Area dimensions (width, height):
Width.
Height.

What Is a JPEG Contrast Increaser?

This online tool increases the contrast in JPG, JPEG, and JPEG2000 pictures. It makes the pixels more saturated, fills them with brighter colors, and gives the image a more cheerful appearance. To increase the contrast of a JPG, all you need to do is upload a photo to the input field and set its new contrast percentage. The original JPG is considered to have 100% contrast, therefore, to increase the contrast, use any value from the range 101% to 200%. You'll instantly be able to see the contrast effect in the preview window and you'll also notice that it's applied only to the selected area. You can change the effect area by setting the area coordinates and area size in the options. To increase the contrast of the entire JPG, simply clear the position and dimension options. Jpgabulous!


JPEG Contrast Increaser Examples

Click to try!

Increase Contrast in a JPG

In this example, we increase the contrast of a JPG image of ponds in a mountain valley. We set the new contrast level to 180% and apply the effect to the entire area of the JPG. To get this done, we cleared all the options of contrast coordinates and dimensions. (Source: Pexels.)

Required options
These options will be used automatically if you select this example.
The percentage of increased
contrast, where 100% is the
current contrast level, and the
range from 101% to 200% is
the higher contrast.
Position x.
Position y.
Width.
Height.

Create a High Contrast Stripe

In this example, we add an interesting effect to a JPEG photo of flowers in a vase. This interesting effect creates a high contrast line in the middle of the photo. We set the beginning of the contrast area to the point (220, 0), stretch it to JPEG's full height, and set the width to 213 pixels. Thus, we get a neat strip in the middle of the JPEG with the contrast being 80% greater than the rest of the photo. (Source: Pexels.)

Required options
These options will be used automatically if you select this example.
The percentage of increased
contrast, where 100% is the
current contrast level, and the
range from 101% to 200% is
the higher contrast.
Position x.
Position y.
Width.
Height.

Rectangular Contrast Area

In this example, we select a rectangular region in the center of the JPG/JPEG picture of frozen berries and make this area more contrasting. We set the contrast percentage to 175% and this way, we seemingly add a border around the picture with emphasis on the central berries. (Source: Pexels.)

Required options
These options will be used automatically if you select this example.
The percentage of increased
contrast, where 100% is the
current contrast level, and the
range from 101% to 200% is
the higher contrast.
Position x.
Position y.
Width.
Height.

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