Quick reference for hashtag limits, character counts, and visible text thresholds on each major social platform.
Quick reference for hashtag limits, character counts, and visible text thresholds on each major social platform.
| Element | Limit | |---------|-------| | Max hashtags | 5 (official limit) | | Recommended hashtags | 3 – 5 | | Max caption chars | 2,200 | | Visible before "more" | ~125 chars |
| Element | Limit | |---------|-------| | Max hashtags | No official limit | | Recommended hashtags | 1 – 2 | | Max post chars | 63,206 | | Ideal for engagement | 40 – 80 chars |
| Element | Limit | |---------|-------| | Max hashtags | 5 (since August 2025) | | Recommended hashtags | 3 – 5 | | Max caption chars | 4,000 | | Visible before "more" | ~150 chars |
| Element | Limit | |---------|-------| | Max hashtags | No official limit | | Recommended hashtags | 3 – 5 | | Max post chars | 3,000 | | Visible before "more" | ~210 chars |
| Element | Limit | |---------|-------| | Max hashtags | No official limit | | Recommended hashtags | 1 – 2 | | Max tweet chars | 280 (standard) / 25,000 (Premium+) | | Visible before "more" | Full tweet (280 standard) |
| Element | Limit | |---------|-------| | Max hashtags | 15 (exceeding this causes YouTube to ignore ALL hashtags) | | Recommended hashtags | 3 – 5 | | Max title chars | 100 (visible before truncation: ~70) | | Max description chars | 5,000 | | Visible before "Show more" | ~100 chars |
The first 3 hashtags in the description automatically appear above the title as clickable links. For Shorts, use 1 – 5 hashtags.
| Element | Limit | |---------|-------| | Max hashtags | 20 per pin | | Recommended hashtags | 2 – 5 | | Max pin title chars | 100 | | Max description chars | 500 | | Visible before "More" | ~50 chars (desktop) |
Pinterest has deprioritized hashtags. Focus on keywords as natural sentences within the description for better SEO instead of relying on hashtags.
| Element | Limit | |---------|-------| | Max hashtags | 1 per post (topic tag) | | Recommended hashtags | 1 | | Max post chars | 500 | | Max with text attachment | 10,500 (500 + 10,000 expandable) | | Visible without expanding | First ~1 – 2 lines |
Threads limits topic tags to one per post. The platform is not hashtag-driven — the algorithm prioritizes content from followed accounts mixed with recommendations.