Check the resolution of images in DPI/PPI.
The Image Resolution Checker is a free online utility that allows users to instantly analyze the resolution of their digital images in pixels, aspect ratio, and dots per inch (DPI or PPI). It supports common formats like JPEG, PNG, and WebP, and provides detailed insights such as file size, dimensions, and format directly in your browser — all without requiring any software installation.
Knowing the exact resolution of an image is crucial for print work, web design, and digital publishing. This tool helps photographers, designers, marketers, and casual users verify whether their images meet required standards for quality, clarity, and suitability across different platforms and media types. It’s fast, secure, and works entirely client-side for privacy and performance.
To get started, simply upload your image using the intuitive file uploader. Once loaded, click the Check Image Resolution button to view detailed information about your image, including its width, height, aspect ratio, estimated DPI, file size, and format. All data is displayed clearly in a table format for easy reference. You can then close the preview or check another image by uploading it again.
The Image Resolution Checker is a simple yet powerful tool that provides essential resolution details for digital images. Whether you’re preparing files for print, optimizing visuals for the web, or verifying asset quality for professional use, this tool delivers quick, reliable results directly in your browser — all for free and with zero risk to your privacy or data security.