Best Tool for check Your IP address, IP localication, device information and more. Check out What is my Ipv4 Address tool.

Open Tab, Page or Link in incognito mode.

Simultaneously connect to multiple Tor proxy servers to increase anonymity and speed

KEKKAIとは、スキャムやフィッシングサイト防止のウォレットセキュリティプラグインです。危険な操作やスキャムをSimulationにより検知し、(Set approval for allやeth_signなど)のアラートとトランザクションの結果を表示させます。

Makes Google Docs files download-able without running Google's non-free code.

Show password when double-clicking over password fields.

Blocks access to sites by lists and stop words.

An UNOFFICAL Firefox authenticator that can autofill TOTP codes with Firefox Android support

Scramble channel data to avoid AudioContext fingerprinting

Create a new tab in the container in the Simple Tab Groups v4.5.2+ extension

Automatically stores the latest data in input fields as you type. Alpha release. Feedback for new features are appreciated.

Adds a toolbar button to generate secure passwords. Users are encouraged to save generated passwords in Firefox and back them up with Firefox Sync.

Detect sites using the OAuth 2.0 implicit Flow

The Implicit flow has been essentially deprecated due to security issues and should no longer be used.

Quo Vadis ends the lack of transparency of shortened URLs, by revealing every link in the chain of URL redirections.

PwdHash (by Stanford) generates passwords resistant to theft and phishing by hashing a combination of the sites address and your password. This extension adds a sidebar (shortcut Ctrl+F8) and alternatively a toolbar button (shortcut F8).

Your new best way to manage passwords, only one password to remember.

Prevents others from seeing when you're typing on Discord.

Like an ad-blocker, but for obscenely wealthy people with overinflated egos!

Indicates when a site is being accessed via Akamai.

Translator! extension is a must have add-on which makes your world easier to translate to multiple foreign languages.
Ultralight Add-on | 5.5kb

Encrypt and decrypt textual data using SHA-256 Hash algorithm

Rejects the ServiceWorker.

Minus for Unsplash is a simple addon that lets you hide the Unsplash+ content from Unsplash.

Is Libre (Free and Open Source) Scanner for Web(JS) based malware.

Tulip is a free privacy extension that tells you which websites to trust in order to keep your personal information safe and secure. Protect yourself from spam, scams, and malicious emails with one quick glance at Tulip’s browser icon.

Improved Security & Privacy for Firefox: Boost your privacy and security to protect your personal data. Force secure connections, block malicious attacks, and avoid tracking.

RateGuru is an exchange analyzer that makes it easy and convenient to exchange electronic money with minimal losses due to fees, as well as to keep you informed of all the latest happenings from the world of electronic and other currencies.

An open-source DNS-based ad-blocker that operates based on host filtering to block ads, malware, phishing hostnames

Easily change your geographic location (Geolocation) to your desired one and protect your privacy.

Filters Tor .onion domains via the Blacklist given at ahmia.fi.