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To restore Firefox’s default theme, disable the currently active added theme in Menu > Extensions and themes > Themes. Firefox switches back to its built-in System theme. If you also changed toolbar buttons or layout, use Menu > More Tools > Customize toolbar > Restore Defaults instead—but that broader reset also resets the theme and may switch vertical tabs back to horizontal tabs.
Reset only the Firefox theme
- Click the Firefox menu button.
- Select Extensions and themes, then open Themes.
- Find the enabled added or optional theme and click Disable.
Firefox activates the built-in System theme. Mozilla says themes bundled with Firefox—including System, Light, Dark, and Alpenglow—cannot be removed; you can switch among them, but removing an added theme is different from removing a built-in one. Mozilla’s theme guide explains theme management.
Restore toolbar buttons and layout too
- Click the Firefox menu button.
- Choose More Tools, then Customize toolbar.
- Click Restore Defaults.
This restores the default buttons and toolbars and resets the default theme. If vertical tabs are enabled, it also reverts them to horizontal tabs. These menu steps apply to Firefox desktop on Windows, macOS, and Linux; mobile Firefox uses different customization controls. See Mozilla’s toolbar customization instructions.
Choose the remedy that matches the problem
| Option | What it changes | When to use it |
|---|---|---|
| Disable an added theme | Switches to Firefox’s System theme. | You only want the default appearance back. |
| Toolbar Restore Defaults | Restores default buttons and toolbars, resets the theme, and can revert vertical tabs to horizontal tabs. | You also customized toolbar controls or layout and accept those additional changes. |
| Troubleshoot Mode | Temporarily uses the default theme and disables extensions, among other changes; it does not permanently reset customization. | You want to test whether a theme, extension, or hardware acceleration is behind an appearance problem. |
| Refresh Firefox | Resets preferences and removes themes and extensions. | Use only when a broader reset is appropriate, not just to change a theme. |
Check whether an add-on is causing the appearance change
Start Firefox in Troubleshoot Mode to test whether the issue is connected to a theme, extension, or hardware acceleration. The mode temporarily uses the default theme and disables extensions, among other changes. If the problem disappears there, one of those factors is a likely cause, but the test does not identify which one by itself. Restart Firefox normally to return to your prior state. Mozilla explains the diagnostic mode in its Troubleshoot Mode guide.
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- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
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- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
If you have identified an added theme you no longer want, remove it from the Themes manager. Built-in Firefox themes cannot be removed. Mozilla’s theme instructions cover disabling and removing themes.
Use Refresh Firefox only for a broader reset
Refresh Firefox resets preferences and removes themes and extensions, so it is much broader than disabling a theme or restoring the toolbar. Mozilla says Refresh preserves bookmarks, browsing history, open tabs and windows, passwords, cookies, and web form autofill information. Review Mozilla’s Refresh Firefox guide before proceeding, especially if you rely on add-ons or customized preferences.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
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