Social Media Image Sizes 2026: Cheat Sheet for Every Platform

Exact image dimensions for Instagram, X, LinkedIn, Facebook, Pinterest, TikTok, Threads, YouTube, and Bluesky — feed posts, stories, profile photos, and covers, in one table.

Social0 is a multi-platform social media scheduler for creators, founders, and AI agents. Compose once and publish or schedule to X (Twitter), LinkedIn, Instagram, TikTok, YouTube, Facebook Pages, Threads, Bluesky, and Pinterest from one dashboard - or automate the same pipeline with MCP, the REST API, and the social0 CLI. Start on the free plan; no credit card required.

Agent index: https://social0.app/llms.txt. Docs: https://docs.social0.app. OpenAPI: https://api.social0.app/openapi.json.