How To Change File Size Of Photo

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Are you working with an prototype that'due south also big or small? Whether y'all need to increase, decrease, or specify the exact number of kilobytes (KB) of an image, we have you covered! This wikiHow article will teach you easy ways to brand a movie larger or smaller past changing its dimensions and file size.

1

Go to https://www140.lunapic.com/editor/ in your browser. LunaPic is a complimentary, online photo editor with which you tin can increment or decrease an image'south size past kilobyte.
2

Click Quick Upload . Information technology's on the correct below the paradigm banner on the right.

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three

Click Cull file . This gray button is in the middle of the folio. Clicking information technology opens a file browser window.
4

Click the photo that you want to resize. Use the file browser window to locate a photo you desire to resize. Then click it to select it. You may commencement have to select the photo'south folder on the left side of the window.
5

Click Open . It's in the bottom-right corner of the window. The photo will be uploaded to the LunaPic site.
six

Click Set File Size . This link is in the group of options to a higher place the photo.
7
Blazon a file size in kBs. Double-click the white file size text field above the folder to select its contents, then blazon the kB size yous want the photo to be.
- If you need your file to exist larger, you'll type in a number that's larger than the number currently listed hither (and vice versa).
viii

Click Resize File . It'southward a greyness button to the right of the kilobyte number field. Your photo volition be resized, both in file size and in physical dimensions.
9
Click Save . It's below the epitome on the left size. This downloads the newly resized photo.
- You may have to scroll downward to meet Save.
- Alternatively, you tin click "Facebook", "Imgur", "Pinterest", "Google Photos", or "Twitter" to share the epitome on one of these platforms.
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1

Click the Windows Outset carte du jour . It's the push button with the Windows logo in the bottom-left corner of the screen.
ii

Type in paint. Doing and then searches your computer for the Pigment programme.
3

Click Pigment . It'southward at the summit of the Offset window. This volition open the Paint programme.
4
Open your image in Paint. Use the following steps to open an image in Pigment:
- Click File in the upper-left corner of the window
- Click Open to open up a file browser.
- Click a photo y'all desire to resize.
- Click Open in the lower-right corner of the file browser.
5

Click on Resize . It'due south the rectangular icon in the "Prototype" section of the toolbar at the pinnacle of the window. This volition open the "Resize and Skew" dialog box.
6

Click the checkbox adjacent to "Maintain aspect ratio". It'due south at the bottom of the "Resize" box. This ensures that your photo doesn't get stretched or flattened when resizing it.
7
Gear up a new size for the image. Use one of the following options to resize the epitome.
- Check the Pct box. So blazon a number pct in either the "Vertical" or "Horizontal" field.
- Check the Pixels box. Then type a specific pixel number (e.thousand., 800 x 600) in the "Vertical" or "Horizontal" field.
viii

Click OK . It's in the lesser-right corner of the window. Your dimensions will be applied.
9
Save your file. Use the following steps to salve the image:
- Click File in the upper-left corner.
- Click Relieve as in the popular-out menu.
- Type a name for the epitome in the "File proper noun" text box.
- Click Save as blazon (optional)
- Select i of the following file types:
  - GIF - best for web graphics. Small files.
  - BMP - all-time for web graphics. Compact files.
  - JPEG - best for photos on the web. Meaty files.
  - PNG - all-time for graphics and small Web files. Larger files.
  - TIFF - best for editing and storing images. Larger files.
- Click Save.
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one

Open the Finder . It'due south the icon that resembles a blue and white smiley face up. It'southward in the Dock at the bottom of the screen.
2

Navigate to the photo you want to resize. Utilize the Finder to open the folder containing the photo you desire to resize. You lot can use the sidebar on the left to open common folders on your Mac.
3
Open the image y'all want to resize in Preview. Preview is the default paradigm viewing app on Mac. You can normally open up an image in Preview past double-clicking it. If Preview is not your default image viewer, employ the post-obit steps to open the image in Preview.
- Right-click on the epitome. If you are using a Magic Mouse or trackpad, click with two fingers.
- Click File.
- Click Open With.
- Click Preview.app.
4

Click Tools . It'south in the carte bar at the tiptop of the screen.
5

Click Adapt Size… . You'll find this in the Tools drib-down carte.
6

Select a unit. Apply the drop-down menu next to the "Height" and "Width" boxes to select a percentage. The default unit is "Percentage". You can also select "pixels". "inches", "cm", and more.
7
Type a new number in the "Width" or "Height" boxes. Yous tin can use either one of these boxes to resize the image. If you selected "Percentage" type what percent you lot want the new image size to be. If yous selected "pixels", or "inches" or another unit, blazon all the same many units you desire to new paradigm size to be in the boxes.
- Ensure that the checkbox next to "Calibration proportionally" is checked and so that the paradigm is non distorted when you lot resize it.
- Alternatively, you can click the drop-down menu adjacent to "Fit into" and select an image size to rapidly resize the image.
viii

Click OK . It's in the lower-right corner of the "Image Dimensions" window. This applies your changes to the photo.
nine

Click File . Information technology'south in the carte bar in the upper-right corner.
10
Click Save . It's in the File drib-down bill of fare. This will save your file on your computer using the dimensions that y'all selected.
- To salvage the image in a different format, click Export… in the File drop-down menu, then click the "Format" drib-downwards menu and select one of the post-obit image formats:
  - JPEG - best for photos on the web. Compact files.
  - JPEG-2000 - loftier quality, good compression. Smaller files.
  - OpenEXR - best used to compress video files.
  - PNG - all-time for graphics and small Web files. Larger files.
  - TIFF - all-time for editing and storing images. Larger files.
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one
Download the free Resize Image app from the App Store . Apply the post-obit steps to download Resize Image:
- Open the App Store.
- Tap Search
- Tap the search bar.
- Blazon in resize image
- Tap Search in the keyboard.
- Whorl down to the "Resize Image" app.
- Tap Go next to "Resize Image".
- Enter your Impact ID, or tap Install and enter your Apple ID when prompted.
- Wait for the app to install.
2
Open up Resize Prototype. Tap Open up in the App Shop, or tap the Resize Image app icon on your home screen. Information technology has an icon of a photo of a tree and clouds.
- If you are asked if you want to allow Resize Prototype to transport you lot notifications, tap Allow or Don't allow,
3

Tap the "Photos" icon. It's in the bottom-left corner of the screen.
iv

Tap Photo Library when prompted. Doing so will open up a window with your phone'due south photos in information technology.
5

Tap a photo anthology. This displays a list of photos in the album.
vi

Tap a photo. Doing so will open it in the principal Resize Image window.
7

Tap the grey prototype with slider confined. This is the Settings icon. It's the second push button at the bottom of the screen, but correct of the "Photos" icon. A window will appear in the centre of the screen.
viii
Resize the prototype. Drag the "Width" or "Height" slider left to lower the epitome's size, or drag ane of these sliders right to increase the image's size.
- Check that the "Keep attribute ratio" switch is dark-green, to ensure that the prototype stays proportional when you lot accommodate the image size.
- Alternatively, you lot can tap one of the "Standard Sizes" tabs at the top of the window to rapidly resize the image.
ix
Tap Resize . It'southward at the bottom of the window. Doing then will resize your photograph.
- If prompted that resizing your photo will cause the app to crash, merely tap Yeah.
10

Tap the icon that resembles a floppy disk. This is the "Salvage" icon. It's the fourth button at the bottom of the screen.
11

Tap the icon with a sunflower. Your resized photo will be saved to your iPhone's Camera Roll.
12

Tap Ok . This closes the window in the center of the screen.

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ane
Download the gratis Photo Resizer Hd app from the Google Play Store . Use the following steps to download the Photo Resizer app.
- Open your Android'due south Google Play Store.
- Tap the search bar.
- Blazon in photograph resizer hd.
- Tap Photo Resizer Hd.
- Tap INSTALL.
- Tap Accept.
- Wait for the app to install.
2

Open up Photo Resizer Hd. Tap Open up in the Google Play Store, or tap the Photo Resizer HD icon on your home screen. It has a bluish icon with 4 arrows pointing in.
3

Tap Gallery . Information technology'due south in the middle of the screen. This volition open your Photo Gallery app.
iv

Tap the photo that you desire to resize. It volition open in the Photo Resizer HD app.
five

Tap the icon with a diagonal arrow. This is the Resize icon. This icon opens the resize menu.
half dozen
Tap Custom . It's at the superlative of the menu.
- Alternatively, you can tap i of the image dimensions in the list to speedily resize the prototype.
7
Type a new paradigm size number in the text field. There are two text fields for the horizontal and vertical dimensions. Yous can employ either to edit the photo size. Tap the text field and and then type the number yous want for the image size. For case, if the text field has "300" written in it, you would supercede it with "150" to halve the image's file size. You deject also supercede it with "600" to double the file size.
- Check that the checkbox next to "Continue aspect ratio" is checked to ensure that the image size stays proportional equally you lot resize the prototype.
viii

Tap OK . Information technology'due south at the lesser of the menu. This will utilise your changes to the photo.
9

Tap the icon that resembles a floppy deejay. This floppy disk-shaped icon is in the superlative-right corner of the screen. This saves the photograph to your Android's Photo Gallery using your new dimensions.

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Add New Question

Question

Which app can I employ for this?

To subtract or increase size, subtract or increment the resolution of the image in a program like Photoshop or GIMP.
Question

How tin I reduce the size of a two MB image to 30 KB without compromising on the quality of the photograph?

Unfortunately, what you're trying to exercise isn't possible (at least, not in this dimension!). Lowering an image's size inherently means that you're lowering the picture'due south quality.
Question

Tin can I increase a 103kb size photo to 1mb to get it printed on an a canvas?

Increase the resolution in a program such every bit Photoshop or GIMP to get in fit.
Question

I want to enter an image into a competition. It has to be 72dpi and betwen 1-3 MB. When I do all this in Photoshop information technology looks skillful but when I relieve the image it is only 570kb. What am I doing wrong?

Just increase the resolution until the file size is where you need information technology to be.

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Every bit a general dominion, lowering a photograph'southward dimensions (e.g., from 800 ten 800 to 500 ten 500) will subtract the photo's file size, while increasing the dimensions will increase the file size.
On Windows, your file may non initially appear to take a different file size afterward saving in Paint. Refreshing your screen a few times past pressing F5 volition update the file's information.

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Resizing an image will e'er change the image's resolution and perceptible quality. Y'all cannot resize an image without irresolute its quality.

About This Article

Article Summary 10

To change the size of an image in kilobytes, or KB, endeavour LunaPic, which is a free online photo editor that allows y'all to increase or decrease an epitome'southward size. Outset by clicking "Quick upload" and "Cull file" to open a file browser window. Once you access your photos, click on the ane that y'all want to resize. Subsequently you click "Open" to select your photo, tap "Set file size" and type the KB size y'all want the photo to be. After picking the new size, tap "Resize file" and "Save" to finish the job. To learn how to resize a photo on your iPhone, keep reading!

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