Format & Quality Comparison

Name: Format & Quality Comparison
Brand: Cloudinary
Rating: 4.9 (24 reviews)

Compare image formats and quality with our free online tool. Upload an image, compare formats side by side, and pick the best one in just a few clicks.

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Image Format & Quality Comparison

Upload one image and see it delivered across every modern format and quality tier - with the real byte size of each variant - so you can pick the smallest setting that still looks right.

Or drag your image here

Original upload -- --

Best size for quality -- Measuring variants...

Bytes saved -- 0 of 0 variants measured

Quality → ↓ Format

Best q_auto:best

Good q_auto:good

Eco q_auto:eco

Low q_auto:low

Auto f_auto Browser negotiated

AVIF f_avif Newest codec

WebP f_webp Broad support

JPEG f_jpg Universal

PNG f_png Lossless

★★★★★

4.9 (24 reviews)

Looking to compare formats and quality at scale?

GET FREE API

Free Online Format & Quality Comparison

Compare image formats and quality side by side in seconds.

Why use our Format & Quality Comparison?

See how your image looks and weighs across formats and quality settings, right in the browser, with no software.

Built for the browser

Work right in your browser, free, with no software to install and no watermarks.

Side-by-side

Compare formats and quality levels at a glance.

Best of size and quality

Pick the smallest file that still looks great.

Quality preserved

Cloudinary keeps your output crisp and true to the original.

Do it at scale

Process one file or thousands with our free API and compare formats and quality automatically, with no manual steps.

Format versatility

Works with all major formats, so your result fits right into your workflow.

How to compare formats and quality in 3 steps

Compare in 3 simple steps. Upload your image, compare the options, and pick one.

Get free api Contact Us

Upload your image

Drag and drop your image into the browser, or upload it from your device.

Compare formats

See your image across formats and quality settings.

Pick the best

Choose the smallest, best-looking option.

Go beyond guesswork

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

What is the Format & Quality Comparison?

It compares image formats and quality settings side by side so you can pick the best, right in your browser.

How does it work?

Upload an image and the tool shows it across formats and quality levels with their file sizes.

Is it free to use?

Yes, it’s free to use online. Just upload your image and compare the options.

Can developers compare formats and quality programmatically?

Yes. Developers can use Cloudinary’s API to compare formats and quality automatically.

Why compare formats?

Formats like JPG, WebP, and AVIF trade off size and quality, so comparing helps you pick the best for the web.