Image Size Checker Tool
Instantly check the dimensions, file size, format, and other essential properties of your images.
Upload Image
Drop your image here or click to browse (Max 20MB)
What Information Does It Provide?
- File Name: The original name of your uploaded image file.
- Image Type/Format: The common format of the image (e.g., PNG, JPEG, GIF, SVG).
- MIME Type: The official media type identifier (e.g.,
image/png,image/svg+xml). - File Size: The "weight" of the image file, displayed in a human-readable format (Bytes, KB, MB).
- Dimensions: The width and height of the image in pixels (e.g., 1920px × 1080px), often referred to as resolution.
- Width & Height: The individual width and height values in pixels.
- Aspect Ratio: The proportional relationship between the image's width and height (e.g., 16:9, 4:3).
- Total Pixels: The total number of pixels in the image (Width × Height).
- Last Modified: The date and time the file was last modified on your system.
How to Use the Image Size Checker
- Upload Your Image: Click the "Upload Image" button or drag and drop an image file into the designated area. The tool supports various formats like JPG, PNG, GIF, WebP, SVG, BMP, TIFF, and AVIF.
- View Details: Once uploaded, an image preview will appear (if possible), and all extracted properties will be displayed in the "Image Properties" section.
- Check Another Image: Click the "Check Another Image" button to clear the current image and upload a new one.
Why Check Image Size & Dimensions?
Web Optimization
Ensure images are appropriately sized for fast loading times and optimal user experience on websites. Large images can significantly slow down page speed.
Social Media & Platforms
Verify if your images meet the specific dimension and file size requirements for platforms like Instagram, Facebook, Twitter, LinkedIn, etc.
Print & Design Projects
Check image resolution (dimensions) to determine suitability for print quality. Higher pixel dimensions are generally needed for clear prints.
Development & Content Management
Quickly get image details for use in code, CMS uploads, or when planning layouts and designs.
Frequently Asked Questions
What image formats are supported?
The Image Size Checker supports a wide range of common image formats, including JPG, JPEG, PNG, GIF, WebP, BMP, TIFF, SVG, AVIF, and ICO. If your browser can render it, this tool can likely process it.
Is there a file size limit for uploads?
Yes, the maximum file size for uploaded images is 20MB. This limit helps ensure the tool performs quickly and efficiently within your browser.
Are my images uploaded to a server?
No, your images are processed entirely within your web browser. They are never uploaded to any server, ensuring your privacy and data security. All calculations happen client-side.
How is the aspect ratio calculated?
The aspect ratio is calculated by finding the greatest common divisor (GCD) of the image's width and height, then dividing both dimensions by the GCD. This gives the simplest representation of the ratio (e.g., 16:9).
What if my SVG image shows 0x0 dimensions?
SVG (Scalable Vector Graphics) images don't always have intrinsic pixel dimensions. If an SVG file doesn't explicitly define a width and height, the browser might report its `naturalWidth` and `naturalHeight` as 0. The tool displays these reported values. The actual rendered size of an SVG can vary depending on how it's displayed.
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