The Posted Once Blog
Practical guides on scheduling, posting at the right time, and growing on every platform.
TikTok Bio Character Limit 2026 (80)
TikTok's bio character limit is 80 in July 2026, the tightest bio cap of any major platform, which changes how you should write yours entirely.
3 min read
TikTok Hashtag Limit 2026 Explained
TikTok has no official hashtag limit in July 2026. The real ceiling is the shared 2,200 character caption cap that every hashtag eats into fast.
3 min read
TikTok Video Dimensions 2026 (9:16)
TikTok video dimensions for July 2026: 1080x1920 vertical is the standard, and horizontal footage uploaded as-is gets boxed in black bars instead.
3 min read
TikTok Upload File Size Limit 2026
TikTok's video file size limit scales with how you upload: roughly 72MB on Android, 288MB on iOS, and up to 4GB through the web uploader instead.
3 min read
TikTok Video Length Limit 2026 (Up to 60 Min)
TikTok's video length limit in July 2026: 10 minutes recorded in-app, 60 minutes uploaded as a file, a gap worth knowing before you hit record.
3 min read
Twitter (X) Bio Character Limit 2026 (160)
The X (Twitter) bio character limit is still 160 in July 2026, unchanged since long before the rebrand, making it the most stable spec on the platform.
3 min read
Twitter (X) Hashtag Limit 2026 Explained
X has no hard hashtag cap in July 2026, but posts with more than 2 hashtags reportedly see meaningfully less engagement than lighter tagging.
3 min read
Twitter (X) Image Size Guide 2026
The X (Twitter) image size guide for July 2026: 1200x675 for in-feed posts, plus profile, header, and multi-image dimensions that keep crops clean.
4 min read
Twitter (X) Upload File Size Limit 2026
X's video file size limit in July 2026: 512MB on a free account, up to 16GB for Premium subscribers on web and iOS, but not on the Android app.
3 min read
Twitter (X) Video Length Limit 2026 (140s)
X's video length limit for free accounts is a hard 140 seconds in July 2026, a number most people only learn once they hit it mid-upload live.
3 min read
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