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Multi-column viewer for X.com ▎ Monitor multiple X keyword streams side by side in real time — a free multi-column dashboard built into your browser. When you're tracking multiple keywords, topics, or hashtags at once, X forces you to jump between searches — losing context every time. X Deck solves that by displaying all your streams simultaneously in a clean, multi-column layout. How it works: Open x.com/x-deck in your browser and add any keyword or hashtag as a column. Each column shows a live search feed. Add as many as you need, side by side. Features: - Real-time multi-column keyword monitoring - Drag & drop to reorder columns - Adjustable column widths - Dark / light theme - Hide X's search bar and menu bar for a focused view - Japanese / English UI - Your regular X experience stays completely untouched Privacy-first: X Deck is entirely local. No account, no subscription, no data collection — nothing leaves your browser. --- Built for journalists, researchers, community managers, traders, and anyone who needs to track multiple topics on X without losing focus.
InfoSE
Quickly access relevant information for selected word Introducing "InfoSE," the ultimate extension for lightning-fast access to relevant information right at your fingertips. With InfoSE, effortlessly explore top relevant results for selected word, neatly organized within accordion-style panels, each offering a concise summary for quick insights. Key Features: Effortless Access: Simply highlight any word or phrase on your browser, and InfoSE springs into action, fetching relevant information instantaneously. Accordion Interface: InfoSE presents search results in a sleek accordion format, allowing you to expand and collapse each panel effortlessly. This intuitive design enables efficient browsing without cluttering your screen. Comprehensive Summaries: Dive into succinct summaries within each accordion panel, providing essential details without overwhelming you with excessive information. Whether it's definitions, explanations, or background context, InfoSE delivers the highlights at a glance. Wikipedia Integration: Seamlessly explore Wikipedia entries directly within InfoSE. With a single click, delve into comprehensive articles, gaining in-depth understanding on your chosen topic without leaving your browsing session.
Prompt Engineer: AI Prompt Optimizer
Rewrite and improve prompts in AI chat apps with one-click clarity, tone, and structure upgrades. Prompt Engineer helps you write clearer, stronger prompts directly inside supported AI chat apps. Turn rough ideas into polished prompts faster with AI-guided enhancement, one-shot prompt generation, and a streamlined sidebar workflow.
Yameen — AutoRTL
Automatically fixes Arabic (RTL) text direction in input fields, textareas, and contenteditable elements across all websites. AutoRTL automatically detects Arabic, Persian, and Urdu text and fixes the text direction to RTL (right-to-left) across all websites — instantly, with no configuration needed. Works on input fields, textareas, contenteditable elements, and displayed text (paragraphs, headings, lists). Features: - Smart detection — only activates when Arabic script is detected - Handles dynamic content (React apps, chat platforms, SPAs) via MutationObserver - 3 modes: Auto (default), Force RTL, Force LTR - 10 built-in Arabic fonts (Cairo, Amiri, Tajawal, Noto Naskh, and more) - Premium popup UI with live preview and stats - Zero performance impact — lightweight and efficient - Works on ChatGPT, Claude, WhatsApp Web, Google Docs, and every website Perfect for Arabic, Persian, and Urdu speakers who are tired of reversed text in input fields and misaligned content on websites.
SlackUtils
Tools to help you use Slack [^1]: 概ね [Formatting text for app surfaces | Slack](https://api.slack.com/reference/surfaces/formatting) に記載のSlack API向け記法である mrkdwn (!= Markdown) と同等に見えるが、リンクの記法やリストのマーカーが微妙に異なるため mrkdwn でもないようで、特別な呼称はつけられていないようだ。またよく知られたMarkdown (CommonMarkやGFMなど) の記法とも割と異なるので、ここでは「SlackのMarkdown風記法」と呼称する。 [^2]: [メッセージの書式設定を行う | Slack](https://slack.com/intl/ja-jp/help/articles/360039953113-%e3%83%a1%e3%83%83%e3%82%bb%e3%83%bc%e3%82%b8%e3%81%ae%e6%9b%b8%e5%bc%8f%e8%a8%ad%e5%ae%9a%e3%82%92%e8%a1%8c%e3%81%86) を参照。なお補足として、当該ページにはなぜか記載がないが、Slackの環境設定で「マークアップでメッセージを書式設定する」を「無効」（メッセージをリッチテキストで編集する最近のデフォルト設定）にした場合の利用方法を説明していると思われる [メッセージの書式設定 | Slack](https://slack.com/intl/ja-jp/help/articles/202288908-%e3%83%a1%e3%83%83%e3%82%bb%e3%83%bc%e3%82%b8%e3%81%ae%e6%9b%b8%e5%bc%8f%e8%a8%ad%e5%ae%9a?_gl=1*1qri8ym*_gcl_au*MTE1NDM0MDE0My4xNjg5NDk0MjQ0*_ga*NTIyNTAzNTAuMTY0NDkxMjMxMA..*_ga_QTJQME5M5D*MTY5MTk5NjY5Mi4yOS4wLjE2OTE5OTY2OTIuNjAuMC4w#u12510u12540u12463u12450u12483u12503) に記載のあるOrdered listやBulleted listも実際には使える。 [^3]: [メッセージの書式設定を行う | Slack](https://slack.com/intl/ja-jp/help/articles/360039953113-%e3%83%a1%e3%83%83%e3%82%bb%e3%83%bc%e3%82%b8%e3%81%ae%e6%9b%b8%e5%bc%8f%e8%a8%ad%e5%ae%9a%e3%82%92%e8%a1%8c%e3%81%86) にも「メッセージのコピーと貼り付けを行う時には、プレーンテキストとして表示されます。」と制限事項が記載されている。
