The Posted Once Blog
Practical guides on scheduling, posting at the right time, and growing on every platform.
YouTube About Section Limit 2026 (1,000)
YouTube's channel About section caps your description at 1,000 characters, separate from the 5,000-character video description limit. Full breakdown.
3 min read
YouTube Hashtag Limit 2026 (Max 60)
YouTube allows up to 60 hashtags per video across the title and description. Go over that and YouTube ignores every hashtag, not just the extras.
3 min read
YouTube Shorts Length Limit 2026 (3 Min)
YouTube Shorts can run up to 3 minutes long, raised from 60 seconds in October 2024. Here's the current max, the old limit, and the best length to actually use.
3 min read
YouTube Thumbnail Size Guide 2026
YouTube recommends 3840x2160 thumbnails at 16:9, with a 2MB limit on mobile uploads and 50MB on desktop. Full verified specs, formats, and file size rules.
3 min read
YouTube Upload File Size Limit 2026
Verified YouTube accounts can upload up to 256GB or 12 hours, whichever comes first. Unverified accounts are capped at 15 minutes. Full breakdown here.
3 min read
Pinterest Character Limit Guide 2026
Pinterest pin descriptions run up to 500 characters, titles up to 100. Here's the full breakdown of every Pinterest text field and where each one cuts off.
3 min read