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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Blackjack Ace – Pro
Hi‑Opt II with Ace adjustment, Kelly betting, and configurable detection.
Cart Tracker
Assists healthcare professionals with pharmaceutical data research and information gathering from regulatory websites involving drugs and their prices.
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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
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![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.
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Emoji Sprinkler
Give web pages a cheerful upgrade by sprinkling relevant emoji after keywords such as pizza, music, star and more. Dial the amount up or down with a slider and revert to the original whenever you like.
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Page Weight X-Ray
See how heavy a page really is. Breaks down total transferred bytes by resource type — scripts, CSS, images, fonts, media and more — with per-type counts and bars, using the browser's Performance API.
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Measure Mate
Understands feet and inches, fractions, ranges and degrees across eight categories.
Quick Convert
A selection tooltip plus a typing box for length, weight, volume, speed and more.
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下單創作者常問如何讓視頻進入分區推薦前列？高品質的三連數據是演算法初篩的關鍵。操作建議：利用BL秒刷40W全解鎖快速達成熱度指標，配置嗶哩三連雙幣百分百與BL投幣流量優化算法評分，同步開啟 bili正在看(包周) 維持在線留存與嗶哩視頻在看人數，確保作品具備衝擊排行榜的高權重資質，助力 UP 主快速實現流量變現。 官方入口：92fans.top 官網連結：www.kolx.top
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DomainScope
Check domain availability, global search interest, and buyer intent instantly. A powerful research tool for domainers and entrepreneurs.
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新媒体运营平台 koL5.cc 刷播放量 涨粉买赞
B站运营数据中心 52fen.top 提供UP主成长分析、视频表现监测与社区生态研究服务。海外入口：xhsfen.top 浙江研究节点。全网内容增长研究站 1fen.top 专注抖音、小红书、微博、快手与B站内容运营分析、SEO优化与自然流量增长策略研究。海外入口：5ifen.cc 北京朝阳创作者节点。
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