Protect your eyes
Elegant Browsing
Every page.
Convert any website to a comfortable high-contrast mode with a single click. The intelligent AI recognition engine perfectly preserves image colors, greatly reducing eye strain.
Existing 2000+ User Trust
Why choose high contrast mode?
We do more than simply invert colors. Advanced algorithms ensure that every pixel is comfortable and easy on the eyes.
Intelligent AI Recognition
It automatically identifies bright areas in web pages and intelligently reverses them, while perfectly preserving the original colors of images and videos, rejecting the "negative" effect.
Blue light filtering protects eyes
Built-in professional-grade blue light filter with adjustable color temperature. More comfortable for nighttime reading, reduces melatonin suppression, and helps you sleep better.
Lightweight, fast, and burden-free
Extremely concise code size, consuming very little memory. It silently protects your eyes in the background, without slowing down page loading and rendering speeds.
Get started in 30 seconds
One-click installation
Click the button to go to the Chrome Web Store to install the plugin.
Fixed plugin
Click the puzzle icon 🧩 in the upper right corner of your browser to fix the high contrast mode.
Enjoy the darkness
Open any webpage and toggle the switch with one click.
Simple and transparent pricing
No hidden fees, money-back guarantee if you're not satisfied.
Kind tips: Our online payment system is currently undergoing integration and upgrades with Paddle and is temporarily unavailable. To purchase a premium plan, please download the extension for free and complete the payment within the extension.
Monthly payment plan
- Unlock all premium features
- Automatic switching mode at set times
- Blue light filter adjustable
- Cloud settings for cross-platform synchronization
Quarterly payment plan
Equivalent to 2.7 USD/month
- Unlock all premium features
- Automatic switching mode at set times
- Blue light filter adjustable
- Cloud settings for cross-platform synchronization
What users are saying
"Finally found a high-contrast plugin that won't break the webpage layout. The customization feature is a lifesaver for someone like me who writes code late at night."
"Simple, fast, and lightweight. It perfectly meets my expectations, especially the automatic sunset start function, which is very thoughtful."
"My eyes used to hurt a lot when reading documents, but it's much more comfortable after using the high contrast mode. I highly recommend it to anyone who spends long hours in front of a computer."
Frequently Asked Questions
Does it support all websites?
Yes, the high contrast mode uses a universal algorithm to adapt to 99% of websites, including Google Docs, Facebook, Amazon, and domestic platforms such as Zhihu and Bilibili.
Can I get a refund if I'm not satisfied?
Of course. If you purchase but feel it's not suitable, we offer... 7-day no-questions-asked refund Guaranteed. Simply send an email to customer service. Please see our details. Refund Policy .
Will they collect my browsing data?
Absolutely not. We value your privacy highly. All processing in high-contrast mode is done within your local browser and never sends your browsing history to our servers. Please see our website for details. Privacy Policy .