No signup, no cost. Use these tools right now to generate content, resize images, format posts, calculate engagement, and more — for every social media 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.
Calculate your social media engagement rate and compare it against industry benchmarks. Input your followers, likes, comments, shares, and saves for any platform.
Resize images to the perfect dimensions for any social media platform. Upload, pick a preset, and download — all in your browser, no server upload needed.
Format LinkedIn posts with bold, italic, and strikethrough text using Unicode. Preview the "see more" fold, use hook templates, and optimize post structure.
Split long-form content into a perfectly formatted Twitter/X thread. Smart splitting at sentence boundaries, auto-numbering, and per-tweet editing.
Generate the perfect social media bio for any platform with AI. Enter your role and traits, and get 5 unique bio variations tailored to your platform's character limit.
Turn blog posts and articles into social media content. Paste your text and get platform-adapted posts for Twitter, LinkedIn, Instagram, and Threads instantly.
Generate scroll-stopping hooks and compelling calls-to-action for any social media platform. Get 5 unique opening lines and 3 CTAs tailored to your topic.
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.