Lightroom Edit Tutorial Step By Step

By | 18/10/2022

One post-processing trick you should know is how to resize an image in Adobe Lightroom. It’s both useful and easy to acquire. In this article, I’ll show yous everything you need to know about resizing images in Lightroom.

A note before we commencement… I’m using Lightroom 5. If you’re using a different software version, your screen might look different. But the resizing process is the same.
A smartphone opened on gallery, laying on a printed photo resized in Lightroom

How to Resize an Image in Lightroom (Step by Step)

Before nosotros go through the steps, nosotros answer an important question near pixels. And then we show you how to cheque a photo’s pixel dimensions. Afterwards that, we evidence you different ways to resize an image in Lightroom. And then, we discuss pixel dimensions and resolutions.

What Practice Pixels Have to Do With Resizing Photos?

A pixel is the smallest slice of data that makes up a digital image. And your photos are a lot of pixels arranged in a specific social club. When you enlarge a photo, yous can see the pixels equally little squares.

Screenshot of a photo enlarged 11 times using the zoom - how to resize image in lightroom
I enlarged this image 11x using Lightroom’s zoom (marked with the pinkish pointer).

Most cameras these days capture images with a huge number of pixels (in the millions!). The number of pixels in a photo also depends on the camera model and the number of pixels in the sensor.
A close up photo of a gate, overlayed with text giving information on pixels - resizing in lightroom

Having a lot of pixels is swell when you’re working with large prints. It allows you to accept sharp images. But more pixels also mean more data on the file of the photo. This causes the file size of your photos to be big.

The trouble with having big files is that they make websites heavy and slow. And social media platforms don’t accept them. But you tin solve this problem by resizing your images in Lightroom.

But first, you demand to know how many pixels your paradigm has.

How to Check Pixel Dimensions in Lightroom

After you import your paradigm into Lightroom, y’all tin can bank check this easily. In the Library module, select the image in the Loupe View past clicking on its thumbnail.

If you press the shortcut primal “I” on your keyboard, you start a cycle of information overview. The start time you press “I,” the file name, the date, the time you took the photo, and the pixel dimensions, appear.

Pixel dimensions are shown in width and height format (white pointer in the paradigm below).
Screenshot of how to resize an image in Lightroom

Press “I” again. At present you lot can access some of your image settings such as aperture, shutter speed, focal length, etc. To go out from the information overview, printing “I” ane last time.
Screenshot of how to resize an image in Lightroom

How to Resize and Paradigm in Lightroom Through Export

You can resize an image in Lightroom when you export information technology. To do and so, get to the Filigree style of the Library module (printing the shortcut key “G”). And then select the image or images you want to resize.
Screenshot of opening the image library in Lightroom - resize photos

To select multiple images, click on their thumbnail while pressing Ctrl (or Command if you’re using a Mac).
Screenshot of selecting multiple images in lightroom

If the images are next to each other, you can select a group of them. Hold down Shift + Ctrl (Shift +Control on a Mac), click on the first photo, and select the concluding one.
Screenshot of selecting multiple images in lightroom

One time you take selected all the images you want to resize, open the Lightroom Consign dialog. So click on the Export push button.

The panel shows several options for consign. It includes export location, file naming, metadata, and watermarking. If you lot want, you can give your images custom names here.

Today, we focus on “Image Sizing” under File Settings.
Screenshot of resizing images in lightroom

In this panel, you tin also select the resolution of your image and export it. This option does not involve resizing. The final image will take the same corporeality of pixels equally the original. Its size in inches or centimeters will depend on the resolution.
Screenshot of selecting image resolution in lightroom

How to Resize an Image in Lightroom by Width and Height

To resize your image, select the “Resize to Fit” box.

If you don’t need to enlarge the photo, check the “Don’t Enlarge” box to ensure that Lightroom won’t do it. Retrieve that enlarging ever decreases the epitome quality.

In the drop-down menu, you can choose betwixt several resizing options. The first ane is “Weight & Height.”
Screenshot of resizing an image in lightroom according to width and height

Here you can choose the width (Due west) and elevation (H). You tin can cull pixels, inches, or centimeters in the driblet-down menu.
Lightroom fits the photograph to the dimensions equally best information technology can. The final image might not be exactly the size y’all introduced.

How to Resize an Image in Lightroom Using Dimension Settings

“Dimension” is the 2d selection in the resizing drib-down carte du jour. It is quite similar to “Width and Height.” But this time, y’all write down the measures of the long and curt edges of your images instead of width and pinnacle.

This selection is really useful when batch-resizing landscape and portrait photos. Lightroom ignores the width and length. Instead, it detects the short and long edges.
Screenshot of resizing an image in lightroom using dimension settings

How to Resize an Prototype in Lightroom to Fit the Long Edge or Brusque Edge

If yous are concerned virtually the size of one of the edges in your epitome, the best resizing options are the Resize to Fit.

You tin can resize it to fit the long or short edge in your prototype.
Screenshot of how to resize an image in Lightroom

Screenshot of how to resize an image in Lightroom with short edge

Input the length you need, and Lightroom calculates the other side to keep the photos proportionate.
This is the choice that I use the most.

How to Resize an Paradigm in Lightroom Using the Megapixels Choice

This is very useful if you have a file size limitation and don’t intendance much about the pixel length of the edges in your image.

This commonly happens when you are submitting images to competitions or certain websites. They’re likely to specify a size limit in their guidelines.

To utilize the megapixels option, you demand to write the file size you demand and its resolution, and Lightroom will resize it accordingly!
Screenshot of how to resize an image in Lightroom using the megapixels option

How to Determine on the Pixel Dimensions You Demand

Now y’all know your resizing options. But how do yous decide what pixel size you lot need?

Websites and social media platforms have particular paradigm sizes. Information technology is always a proficient thought to check these and resize your images accordingly.

I found information technology very useful to cheque social media cheat sheets on the web. These collect information from the most mutual social media platforms.

For instance, Instagram paradigm sizes are 1080 x 1080 pixels for square photos, 1080 ten 1350 pixels for portrait photos, and 1080 x 566 pixels for landscape ones.

Take into account that you tin’t add pixels to an prototype. Make sure the new dimensions are smaller than those of the original photo.

How to Choose the Correct Resolution

Now that you know the pixel dimensions, you must decide on the image resolution.

Resolution is the number of pixels an image has in a certain infinite. It is also known as pixel density. And it is usually measured in pixels per inch (PPI).

A 72 PPI prototype will take 72 pixels in each inch. A 300 PPI image will have 300 pixels each inch, and so on.

Images with higher resolution are sharper. Simply their files are bigger. For that reason, loftier-resolution images are kept for printing. They are non the best option for websites and social media platforms.

So your resolution depends on how you plan to use the photo—digital or impress?
A resized photo of autumn leaves beside a smartphone

The Best Resolution for Digital Images

It is mostly agreed that 72 PPI is a adept resolution for websites and social media photos. This is the resolution of nigh screens. It’southward still a small plenty resolution that websites can load images quickly and smoothly.

But at that place are screens with 100 PPI and fifty-fifty 150 PPI. If you lot prefer to use these resolutions instead, the loading speed of your website will be slower.

It’due south up to you lot to decide what is more important—higher resolution or higher speed.

The Best Resolution for Prints

Are yous going to print your image? If so, information technology needs a college resolution than a website. For example, it could be 300 PPI.

If y’all want to impress your photo on a sheet, a lower resolution, like 150 PPI, is good enough. The pixel dimensions of your photo and resolution determine the size in inches or centimeters of your last printed photo.

If the original photo has 4874 pixels on the long side, and you want to print information technology at a resolution of 300 PPI, doing the math gives a final print of 16.25 inches in length.
An image of three green doors, overlayed with information about the amount of pixels involved - resize image in Lightroom


Learning how to resize an image in Lightroom is ever a bit confusing at commencement. Luckily, Lightroom makes the process much easier!

First, y’all demand to decide the final image size of your photo. This varies depending on whether you want to print or share the photo on a web or social media platform.

In any case, with just a few simple steps, you can resize your images in Lightroom to fit the dimensions and resolution yous want. And it’s a very fast process since you tin can besides resize multiple images simultaneously.