IPFS Companion is an open-source browser extension that integrates seamlessly with your locally running IPFS node, enhancing your experience on Chromium-based and Firefox browsers by enabling native support for ipfs:// addresses. This extension transforms content-addressed websites and file paths into accessible local Gateway resources, facilitating easy IPFS file import, sharing, and providing quick access to frequently-used IPFS actions directly from your browser bar. With features like automatic redirection of IPFS resources, detection of DNSLink-enabled URLs, and upgrading HTTP transport to IPFS, IPFS Companion ensures a streamlined and decentralized browsing experience. Designed for both users and developers, it offers robust customization options, including global and per-site toggle redirects and experimental features to enhance usability. Installation requires a locally running IPFS node, with the option to install from source for development purposes. IPFS Companion is distributed under a CC0 public domain dedication, underscoring its open-source ethos.