在线字数与字符计数器
实时分析文本指标，智能测算阅读耗时、句子密度，并即刻校验 LinkedIn、X (Twitter)、Threads 与 Instagram 平台字数上限。
主流社交平台字数健康度监控
使用操作指南 — Text Metric Studio
简单 3 步，即可实现完美排版、精确把控动态折叠线并引爆内容传播。
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.
为什么专业团队选择本工具
专为在实战发布中决不能容忍排版折叠失误的内容从业者量身打造。
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.
专为高效创作者与增长团队量身定制
无论是个人创作者还是规模化营销机构，PreviewYourPost 都是帮助创作者最大化提升点击率与停留时长的必备模拟利器。
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.
✨探索更多创作者特殊符号与排版工具
一键复制特殊字符与 Unicode 排版工具，全面提升您的社交媒体内容质感。
常见问题解答
针对技术实现、排版规范与数据隐私的权权威答疑。
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.
发布前预览社交动态 全平台真实展示效果
专为创作者与增长团队打造的免费预览工作室。在正式发布前，真实模拟动态在 LinkedIn、Instagram、X 和 Threads 上的排版与截断。