Firefoxをダウンロード - 無料のウェブブラウザ

Get Firefox — Firefox.com Find your way back to a better internet The web was meant to expand your world, not limit it. Firefox helps you shape a more personal internet that puts you back in control. Download Firefox Firefox is no longer supported on Windows 8.1 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR 64-bit Download Firefox ESR 32-bit Download a different build Firefox is no longer supported on macOS 10.14 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR Firefox Privacy Notice PRIVACY Privacy as a standard Blocks trackers automatically. No setup. No guesswork. FOCUS Focus without distraction Stay focused with tab groups, reader mode, and videos that stay in view. CHOICE Control and choice built in Customize how AI shows up, or turn it off entirely. Independence Not owned by shareholders We don’t sell your personal data and we never will. Fast to switch. Easy to settle in. When switching to Firefox, your bookmarks, passwords, and history come with you automatically, so you can get back to browsing right away. Download Firefox Firefox is no longer supported on Windows 8.1 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR 64-bit Download Firefox ESR 32-bit Download a different build Firefox is no longer supported on macOS 10.14 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR Firefox Privacy Notice Select what you want to bring with you Download Firefox Click import Fast to switch. Easy to settle in. When switching to Firefox, your bookmarks, passwords, and history come with you automatically, so you can get back to browsing right away. Download Firefox Firefox is no longer supported on Windows 8.1 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR 64-bit Download Firefox ESR 32-bit Download a different build Firefox is no longer supported on macOS 10.14 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR Firefox Privacy Notice Over 30,000 extensions Thousands of light & dark mode themes Edit PDFs directly in Firefox Privacy without the work Firefox protects your privacy automatically, with built-in tracker blocking from the start. You stay protected by default, without extra steps. All your stuff on desktop, mobile, and tablet Take your tabs, history, and passwords wherever you go. Firefox works across platforms, so your data isn’t tied to one platform and stays encrypted by default. Built to benefit billions, not billionaires Stay focused without distractions Firefox is designed to work with your attention, not compete for it. Reader mode clears distractions from articles, picture-in-picture keeps video out of your way, and pinned tabs keep what matters close without clutter. Your workspace, your rules Tab groups and Firefox View help you manage the chaos Customizable sidebar keeps your most-used tools one click away Clean interface and intuitive controls keep clutter out of your way AI, if and when you want it Firefox approaches AI with intention, not obligation. AI features are optional by design and will remain that way. Firefox protects your data Firefox is built around clear privacy principles. We’re upfront about what data we collect, what we don’t, and how we use it. How Firefox protects your data Download Firefox Keep up with all things Firefox Get how-tos, advice and news to make your Firefox experience work best for you. 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