CSS object-fit Visualizer

Fast, accurate, and free online CSS object-fit Visualizer tool that runs directly in your browser.

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Client-Side Processing

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Instructions

1

Enter data
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2

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The tool will immediately process your data in the browser.
3

Get the result
Copy the finished text or save the file to your device.

                                                function runTool() {

                                                  return "Result ready in 0.1s";

                                                }

Settings

Fitting (object-fit)

Container background

Position mode

Position (preset)

Image URL

Width 520px

Height 320px

Rounding (px) 18px

Show guides Preview option

Show border Preview option

Live preview

object-fit: cover object-position: center 520×320 px radius: 18px

Kod HTML i CSS

<!-- HTML -->
<div class="ofv-frame">
  <img class="ofv-media" src="https://upload.wikimedia.org/wikipedia/commons/3/3f/Fronalpstock_big.jpg" alt="Preview media">
</div>

<!-- CSS -->
<style>
.ofv-frame {
  width: 520px;
  height: 320px;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(0,0,0,.18);
  background: repeating-linear-gradient(45deg, rgba(0,0,0,.08) 0 10px, rgba(0,0,0,.02) 10px 20px);
}
.ofv-frame .ofv-media {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
</style>

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CSS object-fit visualizer - interactive matching of images on websites

In modern web design, responsiveness (the ability of a website to display correctly on screens of various resolutions - from smartphones to 4K monitors) is an absolute standard. One of the biggest challenges for front-end developers and UI designers is correctly displaying fixed-proportion images and graphics inside flexible grid containers (e.g. Flexbox or CSS Grid). Without proper styling, images become flattened, stretched or distorted, which drastically spoils the aesthetics of the website. The CSS solution to this problem is theobject-fitproperty. It determines how the positioned element (usually the<img>or<video>tag) should fit into the size of its parent container. Our free interactive **object-fit CSS visualizer** online allows you to test all the values of this property on live graphical examples.

Thanks to this, you will immediately see the differences in the operation of individual options, generate clean CSS code to implement on your website and avoid layout deformations.

Comparing object-fit property values in CSS

Theobject-fitproperty can take five basic values. The table below explains in detail the behavior and rendering behavior of each:

CSS value	Image aspect ratio behavior	Will the image be cropped?	Advantages and typical purposes	Disadvantages / Side effects
`fill`(default)	No (image is distorted)	No	The image fills the space of the parent container 100%.	Deforms the graphic (stretches it vertically or horizontally). Rarely used for photos.
`contain`	Yes	No	The entire image is visible inside the container. The remaining empty space is filled with the background. Perfect for logos and icons.	Empty bars (so-called letterbox) may appear on the sides or at the top and bottom.
`cover`	Yes	Yes (excess image will be cropped)	The image fills the entire container without deformation. Very popular when designing banners (hero images) and product tiles.	Part of the image (edges) becomes invisible to the user.
`none`	Yes (maintains original file dimensions)	Yes (if file is larger than container)	The image ignores the dimensions of the container and displays at its native pixel resolution.	No scaling - a small container will only show the central part of a huge photo.
`scale-down`	Yes	No (or as none)	Dynamically selects a smaller size between values `none` a `contain`.	Less commonly used, only useful in specific galleries with variable thumbnail sizes.

The role of the object-position property in precise cropping

When usingobject-fit: coverornone, the image is cropped to the center of the container (center position) by default. We can change this behavior using the companion property – **object-position**. It works similarly tobackground-positionand allows you to shift the focus of the frame using keywords (e.g.top left, bottom right) or percentages and pixel values (e.g.20% 80%). This is extremely useful when the most important element of the photo (e.g. the model's face) is located at the edge of the frame and we do not want it to be cut off.

How to use the object-fit CSS visualizer?

Our visualizer allows you to interactively test styles live:

Select the object-fit value:Click the buttons (fill, contain, cover, none, scale-down) in the control panel to instantly see how the fit of the graphics in the test frame changes.
Change the container's proportions:Use the width and height sliders to simulate the behavior of the container on your phone, tablet and computer screen.
Adjust object-position:Change the X and Y coordinates of the frame positioning and observe the image shift.
Copy the ready CSS code:The generated CSS rule will be displayed in the lower section (e.g.width: 100%; height: 300px; object-fit: cover; object-position: center;). Copy it and paste it into your stylesheet.

Frequently asked questions (FAQ)

What does the object-fit CSS property do and how does it prevent graphics from deforming?

Theobject-fitproperty is used to control how media elements (images and videos) fit and scale inside a container of specified dimensions. It prevents deformation by maintaining the original aspect ratio of the file, which eliminates unnatural stretching or flattening of graphic elements on responsive websites.

What is the difference between the cover and contain values in object-fit?

The valuecontainmakes sure that the **entire image** is visible on the screen (scales it to fit in the container, which may leave empty bars). The valuecoverensures that the **entire container** is filled with the image (scales it and trims excess edges), so there are no empty spaces, but some of the graphics are hidden.

How does object-position work with object-fit?

object-positiondefines the alignment point of the image inside the container when it is cropped. By default, the image is centered (50% 50%). Using this property, you can move the frame, e.g. by settingobject-position: top center, which will ensure that when cropping, the top of the photo (e.g. the character's head) remains visible and the bottom is cut off.

Does object-fit work with video elements (<video>)?

Yes, theobject-fitproperty works identically for images (<img>tags) and video files (<video> tags). It is commonly used to create full-screen hero video background banners usingobject-fit: cover.

What is the cross-browser compatibility of the object-fit property?

Theobject-fitproperty is fully supported by all modern web browsers, including Chrome, Firefox, Safari, Edge and Opera (support is over 98% of the market). The only browser that didn't support it was the outdated Internet Explorer (requiring special polyfill repair scripts).