IP Detail
Break down any IPv4 address into its integer, hexadecimal and binary forms, show the address class and scope, and build the in-addr.arpa reverse pointer. Accepts dotted, decimal or hex input. Runs locally.
0 users
Epoch & Duration
A timestamp and duration helper: humanize durations, break them into weeks, days, hours, minutes and seconds, and translate Unix epochs to readable dates and back. Runs locally.
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Password Strength Meter
Test how strong a password is, entirely offline. Estimates entropy in bits, rates it from very weak to very strong, shows an approximate offline crack time, and suggests how to improve it. Nothing is ever sent anywhere.
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Calcis: LLM Cost Estimator
See what your LLM prompt will cost before you send it. Works on ChatGPT, Claude, and Gemini.
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Readability Score
Measure how hard a page is to read. Get a live Flesch Reading Ease score, a US grade level, words per sentence, word count and estimated reading time for the whole article or just your selection.
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TL;DR Summarizer
Get the gist of long reads instantly. This extension extracts a page's main text and ranks its sentences with a local TextRank model to surface the 3–5 most important ones, then lets you copy them.
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older reddit
Redirects reddit.com to old.reddit.com. Toggle it on or off from the toolbar popup. Vanilla JS. Made by claude.
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Shopify & Ads Competitor
A technical extension for gathering competitive intelligence from Shopify stores and advertising platforms.
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Gratuity Calculator UAE
Quick UAE Gratuity Calculator as per latest MOHRE rules 2026. Calculate your end-of-service benefits instantly for all Emirates including Dubai, Abu Dhabi and Sharjah.
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Cron Explainer
Paste a cron expression and instantly see a plain-English description plus the next upcoming run times. Supports ranges, steps, lists, names and @shortcuts. Offline.
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HTTP Status Reference
A searchable reference of HTTP status codes with names, plain-English meanings and categories. Look up by code or keyword like timeout or gateway. Offline.
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Page Sonification
Listen to the shape of a web page. Headings, links and images are mapped to musical tones — play the whole structure as a short sequence, or switch on live mode to hear elements as you scroll past them.
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History Roulette
Take a nostalgic spin through your browsing history. One click pulls up a random page you once visited, filtered by age, so you can revisit old finds you'd otherwise forget.
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Cart Tracker
Assists healthcare professionals with pharmaceutical data research and information gathering from regulatory websites involving drugs and their prices.
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Nightfall Dark Mode
Give every website a beautiful dark theme. Nightfall darkens pages across the web with adjustable brightness and contrast, a one-tap per-site switch, and an automatic sunset-to-sunrise night mode.
ins tiktok 自媒体涨粉助手 - 24小时自助下单平台
专业的自媒体流量服务平台，提供 tiktok流量、fb芬丝 直播、ins 等平台的涨粉、点赞、评论服务。 【自媒体涨粉助手 - 24小时服务平台】v1.0 - 新增：一键直达流量服务中心， tiktok流量、fb芬丝 直播、ins 等平台的涨粉、点赞、评论服务。 - 新增：SEO优化服务入口。 - 优化：界面美观，操作简便，24小时在线服务。 - 修复：兼容 Firefox 内容安全策略，提升扩展稳定性。
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Meneame LinkBack
Recupera la funcionalidad de ir a la noticia desde el enlace del título en la portada
0 users
![Search Geo & Settings Tuner[sham.si]](https://addons.mozilla.org/user-media/addon_icons/2983/2983096-64.png?modified=a9fdbfc0)
Search Geo & Settings Tuner[sham.si]
Customise Google search by setting location, language, currency & other parameters via a handy popup Compatible with Firefox desktop & Android
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DevVault
All the dev tools you usually paste your secrets into — running 100% offline in your browser.
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Dade Toggle
Adds a toolbar button to toggle dark mode on all active tabs using CSS filter inversion. Version 1.0: Basic toggle using invert and hue-rotate filters.
0 users
