

Use this reference to prep images, videos, and captions that match each platform’s requirements—so uploads succeed and your posts look sharp everywhere.
Each social platform enforces its own supported formats, file size limits, aspect ratios, and caption limits. This guide consolidates key specs for the platforms supported by the BizStackPro Social Planner so you can design assets that upload quickly and render properly in feeds, stories, reels, and carousels.
Note: A multimedia post means mixing images and videos in a single post. Some platforms support this (often as a carousel), while others do not.
Heads up: X (formerly Twitter) integration is discontinued in the Social Planner. Historical specs may still be useful if you repurpose content for manual posting.
Video specs are not listed here. If you see an upload failure, try reducing file size, using MP4, and keeping clips short.
Each Story supports a single image or a single video:
If you want simple defaults for general social graphics (before platform-specific fine-tuning):
OG Meta Tags: Open Graph meta tags are available on most supported platforms except Instagram, TikTok, and YouTube.
Use these specs as your checklist so your images and videos upload cleanly, look sharp, and perform well across every platform you publish to.
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Use MP4 or MOV up to 1 GB for Facebook Pages and Groups.
Use PNG or JPG up to 8 MB. Recommended sizes: 1080Ă—566 (landscape), 1080Ă—1350 (portrait), 1080Ă—1080 (square).
Historically, up to 4 images per post, using PNG/JPG/GIF up to 5 MB each. (X integration is discontinued in the Social Planner.)
TikTok supports MP4 up to 50 MB, duration 3–60 seconds, minimum resolution around 540 px.
Facebook Page posts support up to 62,000 characters.
Pair this spec sheet with the BizStackPro Social Planner to streamline your workflow and avoid last-minute resizing or rejected uploads.
Faster uploads. Cleaner posts.
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