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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Quick Convert
A selection tooltip plus a typing box for length, weight, volume, speed and more.
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Dead Link Finder
Quickly audit a web page for dead and broken links. Checks every link's response, highlights errors and redirects with their status codes, and shows a clean summary you can filter.
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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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Bricks Breaker Game - By Mr.Bear
Classic brick breaker with honeycomb bricks! Break them all!
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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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B站三連雙幣播放量提升 66web.top 官網自媒體流量
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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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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Mock Forge
Forge mock data for testing and demos: random names, emails, usernames, phone numbers, UUIDs, IP and MAC addresses, dates, hex colors, integers and lorem text, in batches you can copy. Runs locally.
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Well-Known Ports Reference
A searchable reference of well-known and common ports with service names, protocols and descriptions, including many DevOps and database ports. Search by number or service. Offline.
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CSS Tweaks
Small style fixes per domain, with wildcards, on/off switches and JSON backup.
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Ping Sentry
Keep an eye on availability: background HTTP checks with timeouts, latency display and per-site uptime history.
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Tukang Parkir STIKOM
A developer extension to spoof & mock HTML5 Geolocation coordinates for testing location-based web apps with Google Maps link extraction.
Version Range Checker
Paste a list of versions and a range, and see at a glance which ones are accepted, which are rejected and which would be picked as the highest match.
