Firefox Beta

Firefox Beta

149.0b2
Mozilla
4.9 82 ratings
90 Views
108.09 MB Size
3+ Age

Firefox Beta screenshots (5)

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Description Firefox Beta

Tired of waiting months for the latest browser innovations to land on your device?

Firefox Beta offers a direct pipeline to Mozilla’s most advanced features before they reach the stable release. This pre-release build is engineered for users who want to test cutting-edge performance tools, security patches, and interface refinements ahead of the general public. Instead of passively receiving updates, you become an active participant in shaping the browser’s evolution—providing feedback that directly influences the final product.

What you get with Firefox Beta

The core browsing experience mirrors the stable Firefox version, but with a critical difference: you gain early access to experimental capabilities that may define the next major release. Every session runs on a separate, isolated profile, ensuring your stable Firefox data remains untouched. The app includes a dedicated crash reporter and telemetry tools, allowing Mozilla’s engineers to identify and resolve issues faster.

  • Early feature access – Test upcoming privacy controls, rendering engines, and UI changes weeks before stable launch.
  • Performance optimisations – Experience Turbo mode for accelerated page loading and reduced memory usage.
  • Sync compatibility – Seamlessly synchronise bookmarks, passwords, open tabs, and extensions across all your devices via Firefox Account.

Core tools and capabilities

Firefox Beta retains all the essential functionality of the standard browser while adding a layer of experimental depth. You can save favourite sites, create one-tap shortcuts for frequently visited pages, and share links directly to social networks. The integrated sync engine keeps your entire browsing ecosystem consistent—whether you switch between phone, tablet, or desktop.

The app includes a built-in screenshot tool, enhanced tracking protection (with options to block fingerprinting and cryptominers), and a customisable toolbar. For developers, the Web Console and Inspector are fully operational, enabling real-time debugging and CSS testing on mobile. The private browsing mode now includes automatic cookie isolation and referral stripping.

Why install Firefox Beta today

This build is not just a preview—it’s a functional browser that prioritises speed and security. The Turbo engine reduces data usage by up to 20% on slower connections, while the ad-blocking capabilities eliminate intrusive banners without third-party plugins. You also gain access to Mozilla’s nightly changelog, so you know exactly which fixes and features are being tested.

Consider downloading Firefox Beta now

We suggest trying Firefox Beta if you value being first to experience new browser technologies. It’s ideal for power users, web developers, and anyone who wants to contribute to a more secure and efficient internet.

Disclaimer: Firefox Beta is a pre-release version and may contain bugs or performance issues. An active internet connection is required for sync, updates, and crash reporting. Some features may be experimental and subject to change. In-app purchases are not available in this version.

Information

Version
149.0b2
Developer
Mozilla
Requirements
Android + 8.0
Updated
17.03.2026
Size
108.09 MB
Package
org.mozilla.firefox_beta
Signature
b1e1bcee2733025ece9456e419a814a3
Architecture
arm64-v8a

Version history Firefox Beta

Firefox Beta 149.0b2
17.03.2026 108.09 MB
Firefox Beta 149.0b1
17.03.2026 268.02 MB
Firefox Beta 148.0b2
17.03.2026 105.74 MB

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