文字数・単語数カウンター
読了目安時間、文の密度、LinkedIn、X、Threads、Instagramの文字数制限をリアルタイムで瞬時に計測・診断。
SNSプラットフォーム文字制限チェック
使い方ガイド — Text Metric Studio
完璧なレイアウト、適切な表示幅、最高の反響を得るための3ステップ。
Paste or Type Text
Input your article, essay, social post, or email into the live text analyzer.
Inspect Real-Time Metrics
Review live stats: words, characters (with/without spaces), sentences, paragraphs, and estimated reading time.
Check Social Platform Limits
Track progress bars against LinkedIn (3,000), X (280), Threads (500), and Instagram (2,200) character caps.
多くのクリエイターに選ばれている理由
タイムラインでの表示崩れを絶対に避けたいプロフェッショナルのための設計。
Live Social Character Caps
Color-coded visual limit bars for LinkedIn, X (Twitter), Meta Threads, and Instagram captions.
Reading & Speaking Time
Calculates precise reading time (at 200 WPM) and speaking presentation time (at 130 WPM).
Detailed Density Metrics
Breaks down character count with spaces vs without spaces, total sentences, and paragraph density.
1-Click Copy & Clear
Quick action buttons to copy your text to clipboard or reset the editor with instant confirmation.
Zero Lag Local Processing
Runs 100% client-side in pure JavaScript with zero network overhead or latency.
Private & Confidential
Your sensitive drafts, essays, and business copy are never sent to external servers or stored in cookies.
成果を求めるクリエイターとグロースチームのために設計
ソロプレナーから大規模エージェンシーまで、PreviewYourPostは投稿のクリック率と閲覧完了率を最大化するクリエイターのための必須ツールです。
Content Writers & Copywriters
Keep blog posts, ad copy, and landing page headlines within strict word count guidelines.
Social Media Managers
Verify character limits across multiple platforms before scheduling social campaigns.
Students & Researchers
Ensure academic essays, thesis submissions, and college applications meet strict word count requirements.
SEO Specialists
Optimize meta titles (<60 chars) and meta descriptions (<160 chars) for Google search snippets.
Public Speakers & Presenters
Estimate keynote speech duration and script pacing using our speaking time calculator.
Email Marketers
Craft punchy email subject lines (<50 chars) and concise body copy that prevents subscriber fatigue.
✨特殊記号・装飾ユーティリティ一覧
ワンクリックでコピペできる記号とUnicode装飾ツールで投稿のクオリティをアップ。
よくある質問
仕様、フォーマット、安全性に関する疑問にわかりやすくお答えします。
Reading time is calculated based on the average adult silent reading speed of 200 words per minute (WPM).
Publishing platforms and academic papers often specify limits either with or without whitespace. Social platforms (like X and LinkedIn) count spaces as characters.
LinkedIn posts allow 3,000 chars; X / Twitter allows 280 chars; Meta Threads allows 500 chars; Instagram captions allow 2,200 chars.
No. All counting and analysis execute locally inside your browser. Nothing is ever sent to any remote server or third-party service.
投稿の見え方を事前チェック 主要SNSのプレビューを網羅
クリエイター＆マーケターのための無料プレビューツール。LinkedIn、Instagram、X、Threadsで投稿がどう表示されるか事前に完全再現。