Download Mozilla Firefox 156 for free. This offline installer web browser for Thai language users focuses on speed and privacy, and includes Tracking Protection, Sync, Picture-in-Picture, PDF Viewer, Add-ons, and Developer Tools.
What is Mozilla Firefox?
Mozilla Firefox Firefox is a world-class open-source web browser recognized for its speed, stability, and top-level privacy protection. Powered by the optimized Gecko engine, it quickly processes complex scripts and web pages while efficiently utilizing the computer's RAM. The program features a simple, beautiful, customizable interface and supports tens of thousands of add-ons. Using Firefox in conjunction with high-speed file download helpers... IDM (Internet Download Manager) This will perfectly enhance the loading speed of multimedia files and documents through your browser.
In terms of privacy, Firefox offers Enhanced Tracking Protection to block trackers, cross-site cookies, and various types of fingerprinting techniques, along with Total Cookie Protection that separates cookies by website to reduce cross-domain tracking. The Sync function allows you to connect bookmarks, history, tabs, and passwords between devices. Picture-in-Picture lets you display videos in a floating window while working on other tasks. You can also set protection levels and permissions for individual websites when certain services require exceptions.
The browser also includes a PDF Viewer, Reader View, Screenshot, Password Manager, Translation, and Add-ons to enhance functionality for specific tasks. For developers, it offers an Inspector, Console, Network Monitor, Debugger, and Responsive Design tools all in one package. The current version features improved tab grouping, web-based game compatibility, and clearer tracker controls in the address bar, making it suitable as a primary browser for general use, document work, and web development without needing to install all additional tools from the start.
Key Features
- High-Speed Gecko Engine: Fast webpage processing, efficient use of RAM resources.
- Enhanced Tracking Protection: Block third-party tracking cookies and automated data capture scripts.
- Built-in Picture-in-Picture: You can conveniently play videos in a split-screen view while working on other things.
- Cross-Device Sync: Securely sync bookmarks, browsing history, and passwords across devices.
- Extensive Add-ons Library: A diverse library of add-ons to suit every need.
- Smart Search Bar: The smart search bar displays website suggestions and history quickly.
- Built-in Screenshot Tool: The built-in screenshot tool allows you to select an area or capture the entire webpage instantly.
- PDF Reader & Editor: A built-in PDF reader and data entry program; no additional software is required.
- Reader Mode: Reading mode helps remove unnecessary elements and advertisements for comfortable reading.
- Autoplay Blocking: The automatic video and audio playback suppression system saves bandwidth and does not interfere with operation.
What's new?
What's new in Firefox 156.0.1?
- Fixes browser unresponsiveness issues on some websites that use CSS anchor positioning.
- Fix an error where an element within a link displays the :active style incorrectly when clicked.
- Fixes the issue where the NVDA screen reader on Windows doesn't read out the buttons on the address bar when the mouse hovers over them.
- Fixes system resource leaks that occur during the start and stop of content processes.
File Information
- Operating System: Windows 11 / 10 (32-bit & 64-bit)
- Developer: Mozilla
- License: Freeware
- Version: 156.0
- language : Thai / English
- File size: 88 MB / 77 MB
- File type: *.exe
- Updated on: 23/9/2026
- Required Reading: Download Guide
==== Thai Language ====
==== English ====
