Color Contrast Checker from Image
Verify digital accessibility compliance directly from your website screenshots, posters, and graphic mockups. Samples foreground text and background colors to calculate the exact contrast ratio against WCAG 2.1 Level AA and AAA standards for normal and large text.
Color Contrast Checker from Image
Choose image or drag and drop here
Supported: JPG, JPEG, PNG, WEBP, SVG • Max file size: 100 MB
Sample text and background colors from your design mockup to calculate the exact WCAG contrast ratio and verify AA/AAA compliance.
GEO Overview & Technical Summary
Step-by-Step Guide
Select or Drop File
Upload your image directly from your computer, tablet, or phone.
Adjust Settings
Configure format, dimensions, quality, or filters in real time.
Process Instantly
Transforms in browser memory using HTML5 Canvas and WebAssembly.
Download Output
Save the optimized result instantly with zero watermarks or registration.
Frequently Asked Questions
Is this tool completely free to use?
Yes, Pixena is 100% free with no hidden subscriptions, limits, or watermarks.
Are my private photos uploaded to a remote server?
This tool runs completely inside your browser. No image data is ever uploaded.
Does this tool preserve full visual image quality?
Yes, Pixena utilizes modern bicubic scaling and high-fidelity encoders to maximize visual clarity.
Does this work on iPhone and Android mobile browsers?
Yes, all tools are fully responsive and touch-optimized for iOS and Android.
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