Image Resize
Image resize is the process of changing the dimensions of an image, either to make it larger or smaller. It involves adjusting the number of pixels in the width and height of the image.
When you resize an image, you are essentially resampling the original image to create a new version with different dimensions. Resampling involves redistributing the pixels of the image to fit the desired size.
Resizing an image can be done for various reasons. Here are a few common scenarios:
Scaling down:
When you reduce the size of an image, you are scaling it down. This is often done to create smaller file sizes for web or email purposes, optimize images for faster loading times, or create thumbnails.
Scaling up:
When you increase the size of an image, you are scaling it up. This is useful when you want to enlarge a small image for printing, display on larger screens, or use it in higher-resolution contexts.
Aspect ratio adjustment:
Resizing can also be used to adjust the aspect ratio of an image. By changing the width and height proportionately, you can modify how the image appears without distorting its original proportions.
Image resizing can be performed using various photo editing software applications, including online tools and image editing software. It’s important to note that resizing an image may result in a loss of quality, particularly if you’re increasing its size. Therefore, it’s generally recommended to work with high-resolution images whenever possible to minimize the loss of detail.
Resizing an image in photoshop:
Open the Image:
Click on “File” in the menu and select “Open” to open the image you want to resize.
Select the Image Size Option:
Adjust Image Dimensions:
To maintain the aspect ratio (proportions) of the image, make sure the “Constrain Proportions” or “Maintain Aspect Ratio” option is checked.
Change either the width or height in the “Width” or “Height” fields, and the other dimension will adjust automatically.
To change the size without maintaining the aspect ratio, uncheck the “Constrain Proportions” option. This allows you to set width and height independently.
Select the Resampling Method:
In the same dialog box, you’ll find the “Resample” option. This decides how the program will do resizing of your image. Common resampling methods are “Bicubic” and “Bilinear.” “Bicubic” is a good choice for general resizing.
Set the Resolution:
If you plan to print the image, you may want to adjust the resolution. The resolution is usually measured in pixels per inch (PPI). A typical value for printing is 300 PPI. For web use, you can use a lower value, typically 72 PPI.
Preview the Changes:
As you make adjustments, you can preview the changes by checking the “Preview” box in the dialog box. This allows you to see how the image will look at the new dimensions.
Apply the Changes:
Once you’re satisfied with the new dimensions, click “OK” to apply the changes.
Save the Resized Image:
To save the resized image, click “File” and then “Save” or “Save As” and choose your desired file format (e.g., JPEG, PNG) and location.
Please note; the resizing of an image may affect its quality. Enlarging an image can result in a loss of sharpness and detail, while reducing its size can lead to a loss of quality if you make it too small. Be mindful of the original image’s quality and the intended use of the resized version. Always keep a backup of the original image in case you need it at its original size.
If you are a skilled photo editor you can get jobs related to image resizing on marketplaces like Upwork, Fiverr, Freelancer.com and many others.