# Pixel Contrast Checker — calculation contrast ratio > WCAG 2.1 compliant color contrast checker for images and URLs. (iPhone/iPad app by YONEMASU, K.K.) - Source: https://appshunter.io/ios/app/pixel-contrast-checker/id6756552297 (this page in markdown: same URL + `.md`) - Developer: [YONEMASU, K.K](https://appshunter.io/developer/1861361012) - Category: Developer Tools, Graphics & Design - Price: Free - Age rating: 17+ - Requires: iOS 18.3 · 12 MB - Languages: American English, Japanese - Released: 2025-12-31 - Data updated: 2026-08-24 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/pixel-contrast-checker/id6756552297/reviews.md ## What is Pixel Contrast Checker? Ensure your designs are accessible and legible for everyone. You can analyze images and URLs.Evaluate the color contrast of your web designs, app UIs, and presentation slides based on the WCAG 2.1 international standards. This app provides instant accessibility checks for Standard Text, Large Text, and UI components. You can analyze images and URLs. ■ Key Features Simple Tap-to-Check Just upload an image and tap two points—the background and the text—to instantly calculate the contrast ratio. You can save up to 5 images within the app for quick reference without re-uploading. You can now display a web page by entering a URL and compare by tapping on the page. 300% Zoom Function Magnify your designs up to 300%. Even on a smartphone screen, you can examine fine details and ensure your work is perfect. Precision Magnifying Glass (Loupe) The built-in magnifying glass appears when you tap, allowing you to target and select specific pixels with pinpoint accuracy—ideal for complex designs or gradients. You can set the magnification of the loupe from 2x to 5x. History Management Save your results with a single tap. View your history of contrast ratios and HEX color codes at a glance. (Note: History is maintained during the current session and resets when the app is closed or a new image is selected.) Full WCAG 2.1 Compliance The app automatically determines if your colors meet the 4.5:1 ratio required for accessibility, making it easy to see if your content is truly readable. ■ Who It’s For Web, UI, and UX Designers App Developers & Front-end Engineers Business professionals creating presentations or flyers Any creator focused on inclusive, accessible design ■ Supported Formats JPEG, PNG, and HEIC High-resolution images up to 4000px Import directly from your Photo Library or Files app ■ Privacy First Your privacy is our priority. All image analysis is performed locally on your device. No data is ever uploaded to external servers. ## Key features - Analyze images and URLs - WCAG 2.1 contrast ratio checks - Instant accessibility evaluation - 300% zoom function - Precision magnifying glass - Save up to 5 images - History management ## Frequently asked questions about Pixel Contrast Checker ### Does Pixel Contrast Checker have ads? Yes, Pixel Contrast Checker contains advertisements. ### What is the price of Pixel Contrast Checker? Pixel Contrast Checker is free to download and use. ### What devices support Pixel Contrast Checker? Pixel Contrast Checker is available for iPhone and iPad. ### What is the age rating for Pixel Contrast Checker? Pixel Contrast Checker has an age rating of 17+. ### How often is Pixel Contrast Checker updated? The latest version is 1.4, and it was last updated on January 23, 2026, indicating regular updates. ### How does Pixel Contrast Checker ensure privacy? All image analysis is performed locally on the device, and no data is uploaded to external servers, prioritizing user privacy. ### Can Pixel Contrast Checker analyze live web pages? Yes, you can display a web page by entering its URL and then tap on elements to compare their color contrast. ### What image formats does Pixel Contrast Checker support? Pixel Contrast Checker supports JPEG, PNG, and HEIC formats for high-resolution images up to 4000px. ## Version history (last 5 releases) ### 1.4 — 2026-01-23 Change the initial selection on the check screen. Compatible with iPad (full screen only). ### 1.3 — 2026-01-15 You can now compare contrast ratios from web pages by entering a URL. You can now change the magnification of the loupe from 2x to 5x. ### 1.2 — 2026-01-08 Change language to English. Display Japanese only for Japan. ### 1.1 — 2026-01-07 The design has been revised. You can now save uploaded images within the app. ### 1.0 — 2025-12-31 No release notes. ## More apps by YONEMASU, K.K - [Are you AI?](https://appshunter.io/ios/app/are-you-ai/id6759556679) All apps by YONEMASU, K.K: https://appshunter.io/developer/1861361012 ## Related topics [contrast checker](https://appshunter.io/ios/topics/contrast-checker) · [pixel contrast checker](https://appshunter.io/ios/topics/pixel-contrast-checker) · [fpi result checker](https://appshunter.io/ios/topics/fpi-result-checker) · [neverland coffee bar](https://appshunter.io/ios/topics/neverland-coffee-bar) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*