how can i change the file size of a photo

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This wikiHow teaches y'all how to change the number of kilobytes (kB) that an paradigm uses. Yous can directly adjust a photo's kilobyte size past using the complimentary online LunaPic editor. In add-on, if you want to adjust the photo'due south kilobytes by increasing or decreasing its dimensions, y'all tin can utilize costless programs on Windows and Mac, besides as download and utilize costless apps on iPhone and Android. Continue in listen that lowering a picture's size in kilobytes volition likewise reduce the amount of detail in an image. Increasing a photo's epitome volition not add whatsoever more than particular to an image. Instead, it will just make the epitome look fuzzy or pixelated.

1. i

   Go to https://www140.lunapic.com/editor/ in your browser. LunaPic is a gratis, online photo editor with which you can increase or subtract an image's size by kilobyte.

2. ii

   Click Quick Upload . It's on the right beneath the image banner on the right.

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3. 3

   Click Choose file . This grey button is in the middle of the page. Clicking information technology opens a file browser window.

4. four

   Click the photo that you want to resize. Use the file browser window to locate a photo you want to resize. Then click it to select information technology. You lot may get-go take to select the photo's folder on the left side of the window.

5. 5

   Click Open . Information technology's in the bottom-right corner of the window. The photo will exist uploaded to the LunaPic site.

6. 6

   Click Set File Size . This link is in the grouping of options above the photo.

7. 7

   Type a file size in kBs. Double-click the white file size text field higher up the folder to select its contents, then type the kB size you lot desire the photo to be.

   • If you demand your file to be larger, you'll blazon in a number that's larger than the number currently listed here (and vice versa).

8. viii

   Click Resize File . It's a grey push to the right of the kilobyte number field. Your photo will be resized, both in file size and in physical dimensions.

9. nine

   Click Salvage . It's below the image on the left size. This downloads the newly resized photo.

   • You lot may have to curl downwardly to run into Relieve.
   • Alternatively, y'all tin click "Facebook", "Imgur", "Pinterest", "Google Photos", or "Twitter" to share the image on 1 of these platforms.

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1. one

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

2. 2

   Blazon in paint. Doing so searches your computer for the Paint programme.

3. 3

   Click Paint . It's at the top of the Start window. This volition open up the Paint program.

4. 4

   Open your image in Pigment. Apply the post-obit steps to open an image in Pigment:

   • Click File in the upper-left corner of the window
   • Click Open to open a file browser.
   • Click a photo you want to resize.
   • Click Open up in the lower-right corner of the file browser.

5. 5

   Click on Resize . It's the rectangular icon in the "Image" section of the toolbar at the superlative of the window. This will open the "Resize and Skew" dialog box.

6. vi

   Click the checkbox next to "Maintain aspect ratio". It's at the bottom of the "Resize" box. This ensures that your photograph doesn't get stretched or flattened when resizing information technology.

7. vii

   Ready a new size for the prototype. Utilize one of the post-obit options to resize the image.

   • Check the Per centum box. Then type a number percentage in either the "Vertical" or "Horizontal" field.
   • Check the Pixels box. Then type a specific pixel number (e.thou., 800 x 600) in the "Vertical" or "Horizontal" field.

8. eight

   Click OK . It's in the bottom-right corner of the window. Your dimensions will be applied.

9. ix

   Relieve your file. Utilise the following steps to relieve the image:

   • Click File in the upper-left corner.
   • Click Save every bit in the popular-out carte du jour.
   • Type a proper noun for the image in the "File name" text box.
   • Click Save as type (optional)
   • Select ane of the post-obit file types:
     • GIF - best for web graphics. Small-scale files.
     • BMP - best for spider web graphics. Compact files.
     • JPEG - all-time for photos on the web. Compact files.
     • PNG - best for graphics and small-scale Web files. Larger files.
     • TIFF - best for editing and storing images. Larger files.
   • Click Save.

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1. i

   Open up the Finder . It'due south the icon that resembles a bluish and white smiley confront. It's in the Dock at the lesser of the screen.

2. 2

   Navigate to the photo you lot desire to resize. Use the Finder to open the folder containing the photograph you want to resize. You can employ the sidebar on the left to open mutual folders on your Mac.

3. iii

   Open the epitome you want to resize in Preview. Preview is the default image viewing app on Mac. Y'all can normally open an image in Preview by double-clicking it. If Preview is non your default image viewer, use the following steps to open up the image in Preview.

   • Correct-click on the image. If yous are using a Magic Mouse or trackpad, click with two fingers.
   • Click File.
   • Click Open With.
   • Click Preview.app.

4. iv

   Click Tools . Information technology's in the carte bar at the top of the screen.

5. v

   Click Suit Size… . You'll discover this in the Tools driblet-down menu.

6. 6

   Select a unit of measurement. Use the drop-down carte du jour side by side to the "Height" and "Width" boxes to select a percent. The default unit is "Percentage". You can also select "pixels". "inches", "cm", and more.

7. 7

   Type a new number in the "Width" or "Height" boxes. You tin can use either i of these boxes to resize the image. If yous selected "Per centum" type what percent you desire the new image size to exist. If you lot selected "pixels", or "inches" or another unit, type however many units you desire to new image size to exist in the boxes.

   • Ensure that the checkbox side by side to "Calibration proportionally" is checked and then that the prototype is not distorted when you lot resize it.
   • Alternatively, you can click the drop-down menu next to "Fit into" and select an image size to quickly resize the image.

8. 8

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

9. ix

   Click File . It's in the menu bar in the upper-right corner.

10. x

    Click Save . It's in the File drop-down menu. This will save your file on your reckoner using the dimensions that y'all selected.

    • To save the paradigm in a different format, click Export… in the File drib-down menu, then click the "Format" drib-down menu and select one of the following prototype formats:
      • JPEG - all-time for photos on the web. Compact files.
      • JPEG-2000 - loftier quality, expert compression. Smaller files.
      • OpenEXR - best used to shrink video files.
      • PNG - best for graphics and small Web files. Larger files.
      • TIFF - all-time for editing and storing images. Larger files.

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1. one

   Download the complimentary Resize Image app from the App Store . Use the following steps to download Resize Paradigm:

   • Open the App Store.
   • Tap Search
   • Tap the search bar.
   • Blazon in resize paradigm
   • Tap Search in the keyboard.
   • Scroll downwards to the "Resize Image" app.
   • Tap GET adjacent to "Resize Image".
   • Enter your Touch ID, or tap Install and enter your Apple tree ID when prompted.
   • Await for the app to install.

2. 2

   Open Resize Image. Tap Open up in the App Shop, or tap the Resize Epitome app icon on your habitation screen. It has an icon of a photo of a tree and clouds.

   • If you are asked if yous want to allow Resize Prototype to send y'all notifications, tap Allow or Don't permit,

3. 3

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

4. iv

   Tap Photo Library when prompted. Doing so will open up a window with your telephone's photos in it.

5. 5

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

6. 6

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

7. vii

   Tap the grey image with slider bars. This is the Settings icon. It's the 2nd button at the bottom of the screen, merely right of the "Photos" icon. A window will appear in the centre of the screen.

8. viii

   Resize the image. Drag the "Width" or "Elevation" slider left to lower the epitome's size, or drag one of these sliders right to increase the epitome's size.

   • Check that the "Keep aspect ratio" switch is greenish, to ensure that the image stays proportional when you lot accommodate the image size.
   • Alternatively, y'all tin can tap one of the "Standard Sizes" tabs at the height of the window to quickly resize the epitome.

9. 9

   Tap Resize . It's at the bottom of the window. Doing so will resize your photo.

   • If prompted that resizing your photo will crusade the app to crash, just tap Aye.

10. x

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

11. 11

    Tap the icon with a sunflower. Your resized photo will be saved to your iPhone'south Photographic camera Roll.

12. 12

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

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1. 1

   Download the costless Photo Resizer Hd app from the Google Play Store . Use the following steps to download the Photo Resizer app.

   • Open up your Android's Google Play Store.
   • Tap the search bar.
   • Type in photo resizer hd.
   • Tap Photograph Resizer Hd.
   • Tap INSTALL.
   • Tap ACCEPT.
   • Wait for the app to install.

2. 2

   Open up Photo Resizer HD. Tap Open up in the Google Play Shop, or tap the Photo Resizer Hard disk drive icon on your home screen. It has a blueish icon with four arrows pointing in.

3. 3

   Tap Gallery . It's in the middle of the screen. This volition open your Photo Gallery app.

4. four

   Tap the photo that you want to resize. It will open in the Photo Resizer Hard disk drive app.

5. 5

   Tap the icon with a diagonal arrow. This is the Resize icon. This icon opens the resize card.

6. 6

   Tap Custom . It's at the top of the menu.

   • Alternatively, you tin can tap one of the image dimensions in the list to apace resize the prototype.

7. 7

   Type a new epitome size number in the text field. At that place are two text fields for the horizontal and vertical dimensions. Yous can apply either to edit the photo size. Tap the text field and then blazon the number you want for the image size. For example, if the text field has "300" written in it, you would replace it with "150" to halve the image's file size. You cloud likewise replace it with "600" to double the file size.

   • Check that the checkbox side by side to "Continue aspect ratio" is checked to ensure that the prototype size stays proportional as yous resize the image.

8. eight

   Tap OK . Information technology's at the lesser of the menu. This will apply your changes to the photograph.

9. nine

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

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Add New Question

• Question

  Which app can I use for this?

  

  To subtract or increase size, decrease or increment the resolution of the image in a programme similar Photoshop or GIMP.

• Question

  How can I reduce the size of a ii MB paradigm to 30 KB without compromising on the quality of the photo?

  

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

• Question

  Can I increase a 103kb size photo to 1mb to get it printed on an a sheet?

  

  Increase the resolution in a program such as Photoshop or GIMP to brand information technology fit.

• Question

  I want to enter an paradigm into a competition. It has to exist 72dpi and betwen 1-3 MB. When I practice all this in Photoshop information technology looks skilful just when I salve the image it is merely 570kb. What am I doing wrong?

  

  Just increment the resolution until the file size is where you need it to be.

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• As a general rule, lowering a photo'southward dimensions (e.g., from 800 x 800 to 500 x 500) will decrease the photograph'south file size, while increasing the dimensions will increment the file size.

• On Windows, your file may not initially appear to have a dissimilar file size later on saving in Paint. Refreshing your screen a few times by pressing F5 will update the file'south information.

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• Resizing an image will always change the epitome's resolution and perceptible quality. You cannot resize an image without changing its quality.

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Article Summary X

To modify the size of an epitome in kilobytes, or KB, attempt LunaPic, which is a costless online photograph editor that allows you to increase or decrease an epitome's size. Start past clicking "Quick upload" and "Cull file" to open up a file browser window. Once you lot access your photos, click on the i that you want to resize. After you lot click "Open" to select your photograph, tap "Set up file size" and blazon the KB size you want the photo to exist. After picking the new size, tap "Resize file" and "Save" to finish the task. To learn how to resize a photo on your iPhone, keep reading!

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how can i change the file size of a photo

Source: https://www.wikihow.com/Change-the-Size-of-an-Image-in-KB