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See every price in satoshis. Understand the Bitcoin opportunity cost of your purchases. Think in sound money, everywhere you browse. Opportunity Cost instantly shows the price of products and services in bitcoin ( ₿ / sats ) next to the original fiat amount. No more mental math or tab-hopping to converters—just a constant reminder of what spending really costs in Bitcoin terms. Automatic price detection & conversion – Detects 10+ local currencies and shows the live satoshi equivalent right on the page. Real-time rates – Pulls spot prices from reliable Bitcoin exchanges every ~30 seconds for up-to-date conversions. Inline or tooltip display – Choose a subtle gray sats value beside the price, or a tooltip that appears on hover. Dark mode support – Looks great in light or dark themes, automatically matching your browser’s appearance. Quick toggle – Click the toolbar icon to pause/enable on the current site or everywhere. Customisable – Pick your preferred currency, number format (sats / BTC), display precision and refresh interval. Zero sign-up, zero tracking – We collect no personal data. All parsing and settings storage happens locally (via IndexedDB); the only outbound request is for a BTC/FIAT price feed. Open-source – View the code, file issues or contribute on GitHub. Permissions note This extension uses the tabs permission solely to support per-site toggling, allowing you to enable or disable Bitcoin pricing on specific websites.
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Nostr Signer Extension This extension allows you to sign Nostr events on web-apps without having to give them your keys.
Moon: Shop online with Bitcoin
Shop online with Bitcoin, Litecoin, Ethereum and Bitcoin Cash! Now you can shop with crypto* at millions of online retailers! Pay with crypto everywhere Visa® debit cards are accepted online in the US! Moon allows you to purchase Moon Visa® Prepaid Cards with Bitcoin, Litecoin, Ether, USDC, and Bitcoin Cash. Moon Cards are virtual cards that you can purchase with Bitcoin, the Lightning Network or your Coinbase account. Cards can be used at any US based online merchant that accepts Visa debit cards. Moon is a non-custodial service that enables trustless payments. Moon supports daily limits, 2FA and revocable permissions, and is compliant with GDPR and CCPA consumer privacy protection rules. Help us improve Moon! If you have any questions or feedback, or need any help, contact us at support@paywithmoon.com. *Moon will automatically convert all cryptocurrency to U.S. dollars for use in purchases.
Satcom - Collaborative layer for the Internet
Adding collaborative layer to your Internet browsing experience. Introducing a collaborative layer to internet, enhances online discussions and redefines the browsing experience. By integrating web content with online discussions, it enables collaborative knowledge sharing, revolutionizing how we engage with information online. Effortlessly share ideas directly within the context of the web content you're exploring. Start a discussion on any web page, and invite others to join in.
Tippin Extension (tippin.me)
Send and receive Bitcoin tips to Twitter users! Start sending and receiving tips on Twitter right away, using Bitcoin. That's it. You don't need anything else. This extension will show Tippin.me buttons for every Twitter user (Twitter.com and more are coming), and will allow you to send them a tip. - Send tips using Lightning Network or your own balance. - Send and receive satoshi. - Top up your account with Bitcoin. - Leave a message with every Tip.
