Currency Converter on Hover
Convert any price to your home currency.
shopping
PlugThis prompt
Build a Chrome extension called "Currency Converter on Hover" that detects price strings on any page using regex for common currency symbols ($, €, £, ¥, ₹, etc.) and inline currency codes. On hover, show a tooltip with the value converted to the user's home currency using a cached daily exchange-rate snapshot from exchangerate.host. Options for home currency, decimal precision, and per-site disable. Permissions: storage, activeTab. Host permissions: <all_urls>, https://api.exchangerate.host/*. Manifest V3 with content script.
How to build it in 3 minutes
- Sign in to PlugThis and open the chat input.
- Copy the prompt above and paste it into the chat.
- PlugThis generates the full Manifest V3 extension in 60-90 seconds.
- Download the zip, extract it, and load it via
chrome://extensionsdeveloper mode.