Guides
Short, practical guides on thumbnails, titles and descriptions.
Social media image sizes 2026: the complete cheat sheet
Every image size for YouTube, Instagram, Facebook, LinkedIn, X, Threads, TikTok, Pinterest, Snapchat and WhatsApp on one page, plus the character limits.
Read guideTikTok sizes, safe zones and text limits in 2026
The right TikTok video and photo size (1080×1920), where the app's buttons cover your video, and the caption, bio and username limits.
Read guideInstagram sizes and limits in 2026: posts, stories, grid and hashtags
The right image sizes for every Instagram format, how the new 3:4 profile grid crops your posts, and the current caption, bio and hashtag limits.
Read guidePinterest pin sizes and text limits in 2026
The best Pinterest pin size (1000×1500), long, square and video pin sizes, board covers, and the title, description and alt text limits, with tips for Pinterest SEO.
Read guideVideo thumbnail size and rules: the 2026 guide
The right size, shape, file type and file size for custom video thumbnails, plus design tips that help them stand out at small sizes.
Read guideHow to add chapters to your videos (and why they don't show up)
The four rules your timestamps must follow for chapters to appear, with a ready-to-copy example and fixes for the most common mistakes.
Read guideVideo titles and hashtags: length limits and what actually works
How long a video title can be, where it gets cut off, and how to use hashtags without getting them ignored.
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