X 使用加權計數
在 X 上,連結有固定權重;可見字元與表情符號可能採用不同計數。
附來源的社群媒體字元限制、計數單位與文件狀態。
2026-09-11
輸入或選擇完成任務所需的資訊,檢查結果;工具提供時,你可以複製或下載結果。
| 平台 | 欄位 | 限制 | 計數單位 | 來源狀態 | 來源 | 複核日期 |
|---|---|---|---|---|---|---|
| X | Standard postX uses weighted counting; URLs count as 23 characters. | 280 | Weighted characters | Official | X Help | Sep 11, 2026 |
| X | Premium longer postThe How to Post article still contains both 4,000 and 25,000 instructions. | 25,000 | Characters | Official — caveat | X Help | Sep 11, 2026 |
| Feed / Reel caption (publishing API)The official page was rate-limited during the Sep 11 recheck; confirm in the live publishing flow. | 2,200 | Characters | Meta API reference — access-restricted | Meta for Developers | Sep 9, 2026 | |
| Post | 3,000 | Characters | Official | LinkedIn Help | Sep 11, 2026 | |
| Threads | Regular post | 500 | Characters | Official | Meta Newsroom | Sep 11, 2026 |
| Threads | Attached textAttached text is separate from the regular post body. | 10,000 | Characters | Official | Meta Newsroom | Sep 11, 2026 |
| TikTok | Video caption via Direct Post API | 2,200 | UTF-16 runes | Official API | TikTok for Developers | Sep 11, 2026 |
| TikTok | Photo post title | 90 | UTF-16 runes | Official API | TikTok for Developers | Sep 11, 2026 |
| TikTok | Photo post description | 4,000 | UTF-16 runes | Official API | TikTok for Developers | Sep 11, 2026 |
| YouTube | Video title | 100 | Characters | Official | YouTube Help | Sep 11, 2026 |
| YouTube | Video description | 5,000 | Characters | Official | YouTube Help | Sep 11, 2026 |
| Pin title | 100 | Characters | Official | Pinterest Help | Sep 11, 2026 | |
| Pin textbox | 250 | Characters | Official | Pinterest Help | Sep 11, 2026 | |
| Pin description | 800 | Characters | Official | Pinterest Help | Sep 11, 2026 | |
| Bluesky | Post textThe schema also defines an underlying maxLength of 3,000. | 300 | Graphemes | Official protocol | AT Protocol lexicon | Sep 11, 2026 |
| General post hard maximumNo current public hard maximum was located; the legacy 63,206 figure is not presented as verified. | Not verified | — | Not verified | Facebook Help | Sep 11, 2026 |
在 X 上,連結有固定權重;可見字元與表情符號可能採用不同計數。
同一平台的限制可能會因輸入欄位與發布入口而不同。
TikTok 的 UTF-16 限制只適用於表中註明的 API 情境。
如果未找到目前公開上限,表格會明確標記,而不是自行推測。
表格區分官方說明、開發者文件與未驗證資訊。實際平台頁面顯示的規則仍是最終依據。
是。ToolkitLoop 工具無需建立帳號即可使用。
每個頁面都會說明處理邊界。純瀏覽器工具會將工作資料留在瀏覽器中。
平台統計的欄位不同,有些還使用加權字元。請一律核對欄位和來源。
每張表均標示複核日期和來源;實際發佈或提交介面仍是最終依據。
免費使用此線上工具;無需帳號,盡可能直接在瀏覽器中私密處理。