Price.99

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Round up prices automatically to avoid psychological pricing, reduce clutter, and make easy comparisons.Price.99 gives your control over how prices are displayed on the page using a set of rounding rules.

Don’t like psychological pricing? Round all prices ending in .99 to the nearest dollar.

Want to reduce clutter and see nice, round prices? Round up everything to the nearest $10.

Shopping for a new gadget and need a quick-and-dirty way to compare prices? Round them up to the nearest hundred, or even to the nearest thousand.

Price.99 DOES NOT change the actual price. You will not pay more.

INSTALLATION PERMISSIONS: When installing Price.99, the extension will ask for access to data on the websites. This is needed to detect and modify price appearance.

Features:
• Accurate price detection
• Customizable price rounding from the nearest dollar to the nearest thousand

Planned features:
• Price detection in dynamically loaded content
• Whitelist / blacklist; individual rulesets
• Support for different currencies

Resources:
• Psychological Pricing - http://www.wikiwand.com/en/Psychological_pricing