Thumbnail & Social Media Preview Tool – YouTube, Instagram, TikTok, Facebook, Pinterest 🎥 Thumbnail & Social Media Previewer Pro YouTube • Instagram • TikTok • Facebook • TkTok 🌙 📖 How To Use This Tool 1 Upload your thumbnail or social media image using the file picker below — PNG, JPG, WEBP all supported. 2 Type your title or caption text — the character limit checker will show you if it fits each platform's limit. 3 Select a platform button (YouTube, Instagram, TikTok, Facebook, Twitter/X, Pinterest) to see the exact live preview. 4 Toggle between Mobile and Desktop view to check how your content looks on different devices. 5 Check your CTR Score and follow the tips to improve your thumbnail's click-through potential. 6 Use A/B Compare tab to upload two different thumbnails side by side and decide which one performs better. 7 Download yo...