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Nostr Accounts Managing Extension Sign Nostr events without exposing your private keys. Manage multiple accounts from a single extension. Security - AES-256-GCM encrypted vault with PBKDF2 key derivation (600,000 iterations) - Private keys stored only in memory, never written to disk - Auto-lock after configurable inactivity timeout - Per-website permission management Multi-Account Management - Derive multiple accounts from a single mnemonic seed phrase (NIP-06) - Import existing accounts via nsec, hex, or ncryptsec (NIP-49) - Generate new accounts with random mnemonic - Switch between accounts easily NIP-07 Browser Signer - Sign events for any Nostr web application - Approve or deny requests per website - Grant permissions for specific event kinds or all events - View and revoke permissions anytime Relay Management - Configure read and write relays (NIP-65) - Outbox model for profile discovery Backup & Recovery - Export encrypted vault backup - Import backup with password - BIP-39 compatible seed phrases Privacy: All data stays on your device. No tracking, no analytics, no external servers.
IPFS Companion
Harness the power of IPFS in your browser IPFS Companion harnesses the power of your locally running Kubo IPFS node (either through the IPFS Desktop app or the command-line daemon) directly inside your favorite browser, enabling support for ipfs:// and ipns:// addresses, automatic IPFS gateway loading of websites and file paths, easy IPFS file import and sharing, and more. IPFS is a peer-to-peer hypermedia protocol designed to make the web faster, safer, more resilient, and more open. It enables the creation and dissemination of completely distributed sites and applications that don’t rely on centralized hosting and stay true to the original vision of an open, flat web. Visit https://ipfs.tech to learn more. - Automatically use IPFS to retrieve sites, files, and other resources already stored on IPFS (including redirecting DNSLink hostnames to IPNS names via your choice of gateway) - Support content-addressed IPFS paths (/ipfs/) and URIs (ipfs://) in your browser, and redirect them to the gateway of your choice - Share files from your browser by importing them to your local IPFS node via right-click or drag-and-drop, including the option to preload files at a public gateway - Check gateway info and Kubo RPC status with a single click, see how many peers Kubo RPC is connected to at a glance from your browser’s menu bar - Copy shareable links, snapshot links, IPNS/IPFS paths, and CIDs for IPFS-hosted sites - Common IPFS tasks — like pinning files and launching your IPFS Web UI dashboard — are available right in your browser - Options to toggle IPFS redirects globally or per website You’ll need to have a local IPFS node running on your computer to enjoy all IPFS Companion's features — either from your terminal (https://docs.ipfs.tech/install/command-line/) or using the friendly, free IPFS Desktop app (https://docs.ipfs.tech/install/ipfs-desktop/). Learn about IPFS and how it’s changing the Internet at https://ipfs.tech See the IPFS Companion privacy policy at https://github.com/ipfs/ipfs-companion/blob/main/PRIVACY-POLICY.md
Keys.Band
This extension allows you to sign Nostr events on web-apps without having to give them your keys. It supports multiple keys.
Flamingo – Nostr extension
A browser extension for Nostr Flamingo is a browser extension that gives you the best user experience when exploring Nostr apps. Stop pasting your secret key into web apps – let Flamingo store it safely on your computer and automatically prompt you when something needs to be signed. A new world of decentralised social media and messaging awaits.
Illust Downloader for pixiv.net
You can easily download images, comics, and novels from pixiv.net! *This extension is unofficial and is not affiliated with Pixiv Inc. "pixiv" is a registered trademark of Pixiv Inc. *As of May 17, 2025, this extension has been renamed to "Illust Downloader." [About Illust Downloader] Illust Downloader is an extension that allows you to automatically assign file names and download illustrations, manga, and novels from Pixiv. It also offers features to enhance your Pixiv experience, such as the ability to enlarge illustrations directly on the gallery page. [Introducing Illust Downloader EX] The basic features of Illust Downloader are available for free indefinitely. However, by purchasing a license (¥195 per month), you can upgrade to Illust Downloader EX. Illust Downloader EX allows you to download Ugoira (animated illustrations) as video files (AVI, WebM, etc.), APNG, GIF animations, SVG, and more. Additionally, it offers advanced features such as organizing illustrations into folders based on criteria like artist or time, compiling manga into ZIP files, identifying downloaded items directly on the gallery page, batch downloading, and many other convenient functionalities. The premium features are available for a one-month free trial, so feel free to try them out. [Regarding Bugs and Suggestions] If you encounter any bugs, have suggestions for improvements, or other requests, please use the "Feedback, Suggestions, and Bug Reports" option within the Illust Downloader settings to get in touch with us.
