No signup, no cost. Use these tools right now to check character limits, preview posts, find optimal posting times, and get the right image sizes for every platform.
Generate platform-optimized social media posts with AI. Enter your idea, choose a platform and tone, and get multiple unique post variations in seconds.
Generate relevant, targeted hashtags for any platform. Get a smart mix of broad, mid-range, and niche hashtags tailored to your content topic.
Check your post length against every platform's character limit in real time. Supports Twitter (280), LinkedIn (3,000), Instagram (2,200), Facebook, TikTok, YouTube, Pinterest, and Threads.
See exactly how your content will appear on Twitter, LinkedIn, and Instagram before you publish. Catch formatting issues and optimize your posts visually.
Find the optimal time to post on each social media platform. Select your platform and timezone to see data-backed recommendations.
Complete 2026 reference for social media image dimensions. Profile photos, cover images, post images, stories, and video sizes for every major platform.
These free tools help you optimize. PostCraze goes further — generating unique, platform-native content for all 8 platforms from a single idea.
PostCraze generates AI-powered content, schedules posts, and tracks analytics across all platforms.