Resize Image to 15KB

Minimize your images to a feather-light 15KB for ultra-fast load times and minimal storage impact. Great for icons, UI assets, and minimalist designs. With Cloudinary, resizing large volumes of small files is fast and reliable.

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Resize Image to 15KB for Free

Resize your image down to just 15KB in seconds, no apps or extensions. Drop your images in and get a featherlight version that still looks clean.

Why Choose Resize Image to 15KB with Our Tool?

Quickly resize an image to 15KB online in just seconds, ad-free, with the option for developers to tap into our API for large-scale resizing.

Beyond Image Resizing

Go further than reducing file size. With AI-powered tools like Generative Fill, Object Removal, and Replace, you can seamlessly edit and customize images — unlocking new levels of creativity and flexibility in content creation.

Image Enhancement

From 3D animations and interactive product displays to real-time filtering, Cloudinary’s API offers powerful image enhancement capabilities. Developers can effortlessly refresh older images and make them look stunning again.

Performance Optimization

Images are always delivered in the best quality and format for each user’s device, browser, and connection. Whether it’s JPG, PNG, HEIC, or another format, our system automatically selects the most efficient option for peak performance.

Batch resize images

Effortlessly resize your images to 15KB, or connect our free API to auto-optimize every image without any extra work!

Workflow Automation

Set up preset configurations to save time and streamline your process. Files are automatically compressed, transformed, and ready for delivery immediately after upload.

Image Formats Versatility

Expand your image workflow with support for next-gen formats like WebP, JXL, and AVIF. These advanced options deliver the perfect balance of quality and efficiency for all your visual assets.

How to Resize Images to 15KB

Quickly resize your images to exactly 15KB, or join Cloudinary to seamlessly optimize thousands of images at scale.

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Add your images

Upload or drag and drop your images into the browser

Start Compression

Begin refining your images by resizing them into lighter, more efficient sizes.

Download resized images

After the resizing process is done, download your resized images, each reduced to under 15KB.

Explore Beyond Image Resizing

A woman and a golden retriever in the mountains. They're sitting, facing away from the camera while the dog noses the woman. They're surrounded by natural splendor including majestic mountains, puffy clouds, and evergreen-studded hills. — An un-cropped image overlaid with a cropping window showing how it would be cropped by Cloudinary.

Original: 18 MB
We’re showing a resized version of the original asset to avoid slow loading speeds. View the original.

JPEG: 135 KB
WebP: 135 KB
AVIF: 90 KB
JPEG XL: 94 KB

Original: 18 MB
We’re showing a resized version of the original asset to avoid slow loading speeds. View the original.

JPEG: 135 KB
WebP: 135 KB
AVIF: 90 KB
JPEG XL: 94 KB

Duration: 1:42

Duration: 0:15

URL:

/ar_0.5,c_fill,g_auto,w_433/q_auto/f_auto/hiking_dog_mountain.jpg

cloudinary.image("hiking_dog_mountain.jpg", {transformation: [
  {aspect_ratio: "0.5", gravity: "auto", width: 433, crop: "fill"},
  {quality: "auto"},
  {fetch_format: "auto"}
  ]})

new CloudinaryImage("hiking_dog_mountain.jpg")
  .resize(
    fill()
      .width(433)
      .aspectRatio(0.5)
      .gravity(autoGravity())
  )
  .delivery(quality(auto()))
  .delivery(format(auto()));

new CloudinaryImage("hiking_dog_mountain.jpg")
  .resize(
    fill()
      .width(433)
      .aspectRatio(0.5)
      .gravity(autoGravity())
  )
  .delivery(quality(auto()))
  .delivery(format(auto()));

new CloudinaryImage("hiking_dog_mountain.jpg")
  .resize(
    fill()
      .width(433)
      .aspectRatio(0.5)
      .gravity(autoGravity())
  )
  .delivery(quality(auto()))
  .delivery(format(auto()));

new CloudinaryImage("hiking_dog_mountain.jpg")
  .resize(
    fill()
      .width(433)
      .aspectRatio(0.5)
      .gravity(autoGravity())
  )
  .delivery(quality(auto()))
  .delivery(format(auto()));

CloudinaryImage("hiking_dog_mountain.jpg").image(transformation=[
  {'aspect_ratio': "0.5", 'gravity': "auto", 'width': 433, 'crop': "fill"},
  {'quality': "auto"},
  {'fetch_format': "auto"}
  ])

(new ImageTag('hiking_dog_mountain.jpg'))
	->resize(Resize::fill()->width(433)
->aspectRatio(0.5)
	->gravity(
	Gravity::autoGravity())
	)
	->delivery(Delivery::quality(
	Quality::auto()))
	->delivery(Delivery::format(
	Format::auto()));

cloudinary.url().transformation(new Transformation()
  .aspectRatio("0.5").gravity("auto").width(433).crop("fill").chain()
  .quality("auto").chain()
  .fetchFormat("auto")).imageTag("hiking_dog_mountain.jpg");

cl_image_tag("hiking_dog_mountain.jpg", transformation: [
  {aspect_ratio: "0.5", gravity: "auto", width: 433, crop: "fill"},
  {quality: "auto"},
  {fetch_format: "auto"}
  ])

cloudinary.Api.UrlImgUp.Transform(new Transformation()
  .AspectRatio("0.5").Gravity("auto").Width(433).Crop("fill").Chain()
  .Quality("auto").Chain()
  .FetchFormat("auto")).BuildImageTag("hiking_dog_mountain.jpg")

cloudinary.image('hiking_dog_mountain.jpg').transformation(Transformation()
	.resize(Resize.fill().width(433)
.aspectRatio(0.5)
	.gravity(
	Gravity.autoGravity())
	)
	.delivery(Delivery.quality(
	Quality.auto()))
	.delivery(Delivery.format(
	Format.auto())));

imageView.cldSetImage(cloudinary.createUrl().setTransformation(CLDTransformation()
  .setAspectRatio("0.5").setGravity("auto").setWidth(433).setCrop("fill").chain()
  .setQuality("auto").chain()
  .setFetchFormat("auto")).generate("hiking_dog_mountain.jpg")!, cloudinary: cloudinary)

MediaManager.get().url().transformation(new Transformation()
  .aspectRatio("0.5").gravity("auto").width(433).crop("fill").chain()
  .quality("auto").chain()
  .fetchFormat("auto")).generate("hiking_dog_mountain.jpg");

cloudinary.image('hiking_dog_mountain.jpg').transformation(Transformation()
	.resize(Resize.fill().width(433)
.aspectRatio(0.5)
	.gravity(
	Gravity.autoGravity())
	)
	.delivery(Delivery.quality(
	Quality.auto()))
	.delivery(Delivery.format(
	Format.auto())));

cloudinary.image {
	publicId("hiking_dog_mountain.jpg")
	 resize(Resize.fill() { width(433)
 aspectRatio(0.5F)
	 gravity(
	Gravity.autoGravity())
	 })
	 delivery(Delivery.quality(
	Quality.auto()))
	 delivery(Delivery.format(
	Format.auto())) 
}.generate()

new CloudinaryImage("hiking_dog_mountain.jpg")
  .resize(
    fill()
      .width(433)
      .aspectRatio(0.5)
      .gravity(autoGravity())
  )
  .delivery(quality(auto()))
  .delivery(format(auto()));

Frequently Asked Questions

Get Answers to Your Questions About Our Chat Software and Features

How can I use Cloudinary’s image to 15KB tool to compress images without losing quality?

Use Cloudinary’s Compress image to 15KB solution to shrink JPG, PNG, or HEIC images to 15KB or below with great visual fidelity. Drag and drop or upload manually and the process runs instantly. We use smart format selection (f_auto) and dynamic quality control (q_auto) to keep your images lightweight yet sharp. Great for media-heavy platforms or mobile-first apps that need faster load speeds and better UX.

Can I automate image to 15KB conversions using Cloudinary’s API?

Definitely. The Cloudinary API supports complete automation for Compress image to 15KB tasks. Just upload using the API and apply q_auto:low, f_auto, fl_lossy to compress content effectively. You can also configure constraints or chain transformations to ensure each asset meets the size goal, ideal for bulk handling or UGC.

Is the compression to 15Kb “lossless”?

To land near 15KB, we apply perceptual, visually lossless optimization that responds to the image’s content. Quality impact is minimal and typically invisible at everyday sizes because we retain edges, textures, and essential details while eliminating redundancy. Strict lossless modes are likely to exceed 15KB; for bit-perfect needs choose PNG or lossless AVIF/WebP and plan for a larger file. For most photos and marketing graphics, the perceptual route creates a very light image with no meaningful visual change. If artifacts are visible, increase the quality slightly or reduce dimensions to hold around 15KB while preserving the look.