CIDR Calculator
Enter an IPv4 CIDR like 10.0.4.0/22 and instantly see the network, broadcast, netmask, wildcard, host range, usable host count and whether it is a private range. Offline.
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SubNet Calc for Android
Calculate IPv4 subnets in mobile Firefox browser on Android. Computes network addresses, broadcast addresses, host ranges, and usable hosts.
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Veto
Teach any website how to behave: hide elements, auto-click buttons, remember your settings. Your rules, stored locally. No AI.
AllOmnitools - Quick Access
Access 170+ free tools instantly — QR codes, word counter, YouTube thumbnail, image converters and more. No login required.
NOTAMSpot: NOTAM, METAR & TAF Decoder for Pilots
"🚧 Beta: Never miss critical risks. Decode NOTAM, METAR and TAF instantly on FAA sites. Highlights 2,850+ flight hazards for faster briefings. 100% local, zero tracking.
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Coocondiss
Automatically rejects cookie consent dialogs, preferring privacy-preserving choices.
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LazyTabs — Tab Session Saver
Continuously records your open tabs (normal and private kept separate) to a lightweight on-device store that survives a browser kill, and restores them on demand. Private tabs are encrypted with a passphrase.
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HashCheck Vault
Calculate file and text hashes, compare checksums, and keep a local verification history.
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Thicket
Securely record visited websites when requested using cryptographic hashing instead of bookmarks
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Passwords Cleaner (Eraser)
Quickly delete/wipe your browser stored passwords for a defined period with one click
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Browsing Timer
Track how long you spend on every website. See daily stats, visit counts, and browsing trends — all stored locally on your device. No accounts, no data collection.
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ERP Auto-Login
Automates the IITKGP ERP login sequence, handles security questions, and extracts OTPs seamlessly.
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Proxly
Residential proxies — enter your API key, pick a proxy, toggle on, and your browser goes through a real residential IP (SOCKS5, no DNS leaks).
Arint Screenshot
A privacy-focused, 100% local screenshot tool. Capture visible areas, full pages, or custom regions instantly. Includes a powerful built-in editor to crop, draw, and annotate offline. Light/Dark mode theme ready.
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Neatlink
Every bookmark you've ever saved, one keystroke away. Cross-browser sync between Firefox, Chrome, and Safari. Encrypted in your own Google Drive, not ours.
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YTZero Redirect
Redirects YouTube URLs to a self-hosted YTZero instance.
Container Session Proxy
Assigns a deterministic proxy session to each Firefox container.
FP Sentinel — Fingerprint Guard
Отслеживает попытки идентификации браузера по отпечатку (canvas, WebGL, аудио, шрифты, оборудование, WebRTC и многое другое) и позволяет контролировать, маскировать или подделывать фиксированную идентификацию для каждого сайта.
WebSafe365
With WebSafe 365, you can control your kids browser access from WebSafe 365 mobile app.
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Ned - CVSS Calculator
Calculate CVSS 3.1 and 4.0 scores directly. Completely offline, with a built-in MITRE CWE database for fuzzy searching.
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