Top 10 Firefox Add-Ons Everyone Should Have – 2026 Guide

Firefox is a highly customizable browser, and add-ons (extensions) enhance its capabilities. These top 10 add-ons in 2026 help you browse safely, efficiently, and creatively.

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Table of Contents

• 1. uBlock Origin
• 2. LastPass / Bitwarden
• 3. Grammarly
• 4. Dark Reader
• 5. Privacy Badger
• 6. Video DownloadHelper
• 7. Tree Style Tabs
• 8. Session Manager
• 9. Firefox Screenshot Tool
• 10. NoScript

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1. uBlock Origin

Efficient and lightweight ad-blocker that blocks ads, trackers, and malware. Helps speed up browsing and enhances privacy.

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2. LastPass / Bitwarden

Password managers that store login credentials securely and auto-fill passwords across websites. Both free options offer essential features for personal use.

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3. Grammarly

Improves writing by checking grammar, spelling, punctuation, and style in emails, documents, and online text fields.

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4. Dark Reader

Enables dark mode for websites, reducing eye strain and making browsing comfortable, especially at night.

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5. Privacy Badger

Automatically blocks invisible trackers while browsing. Developed by the Electronic Frontier Foundation for better online privacy.

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6. Video DownloadHelper

Download videos and images from popular websites. Supports multiple formats and works with YouTube, Vimeo, and other streaming platforms.

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7. Tree Style Tabs

Organizes tabs in a vertical tree structure for better tab management. Ideal for users who work with dozens of tabs simultaneously.

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8. Session Manager

Save and restore browsing sessions, including open tabs and windows. Useful for research, work projects, or when restarting the browser.

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9. Firefox Screenshot Tool

Capture full-page or partial screenshots without third-party software. Screenshots can be saved locally or copied to the clipboard.

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10. NoScript

Advanced security add-on that blocks JavaScript, Flash, and other executable content. Protects against malicious websites and scripts.

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Tips for Using Firefox Add-Ons

• Only install add-ons from trusted sources or the official Firefox Add-Ons store.
• Regularly update add-ons to access new features and security fixes.
• Avoid installing too many extensions, as they can slow down browser performance.
• Review permissions requested by each add-on to protect privacy.

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Common FAQs About Firefox Add-Ons

• Q: Are Firefox add-ons safe?
  A: Yes, if downloaded from the official Firefox Add-Ons store and trusted developers.
• Q: Can add-ons slow down Firefox?
  A: Yes, too many add-ons can reduce performance. Keep essential add-ons only.
• Q: How do I manage installed add-ons?
  A: Go to Menu > Add-ons and Themes > Extensions to enable, disable, or remove add-ons.
• Q: Are these add-ons free?
  A: Most have free versions; some offer optional premium features.
• Q: Can add-ons enhance privacy?
  A: Yes, extensions like Privacy Badger, uBlock Origin, and NoScript improve security and privacy.