🖼️ Universal Thumbnail Generator
🖼️ Universal Thumbnail Generator
📊 Generated Thumbnail
Preview
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Upload an image and generate a thumbnail
ℹ️ Thumbnail Information
No thumbnail generated yet. Upload an image and select a platform to get started.
📱 Social Media Size Guide
YouTube
• Standard: 1280×720 (16:9)
• Channel Art: 2560×1440 (16:9)
• Profile: 800×800 (1:1)
• Small: 640×360 (16:9)
• Channel Art: 2560×1440 (16:9)
• Profile: 800×800 (1:1)
• Small: 640×360 (16:9)
Instagram
• Post: 1080×1080 (1:1)
• Story: 1080×1920 (9:16)
• Reels: 1080×1920 (9:16)
• Profile: 320×320 (1:1)
• Story: 1080×1920 (9:16)
• Reels: 1080×1920 (9:16)
• Profile: 320×320 (1:1)
Twitter/X
• Header: 1500×500 (3:1)
• Profile: 400×400 (1:1)
• Card Image: 1200×628 (≈1.91:1)
• Tweet Image: 1200×675 (16:9)
• Profile: 400×400 (1:1)
• Card Image: 1200×628 (≈1.91:1)
• Tweet Image: 1200×675 (16:9)
Other Platforms
• Facebook Cover: 820×312 (≈2.63:1)
• TikTok: 1080×1920 (9:16)
• Twitch Banner: 1200×480 (2.5:1)
• LinkedIn Banner: 1584×396 (4:1)
• TikTok: 1080×1920 (9:16)
• Twitch Banner: 1200×480 (2.5:1)
• LinkedIn Banner: 1584×396 (4:1)
Best Practices:
• File Size: Keep under 5MB for web performance
• Resolution: Use 72 DPI for web, 300 DPI for print
• Format: JPEG for photos, PNG for graphics with transparency
• Colors: Use sRGB color space for consistent web display
• Aspect Ratio: Always maintain the recommended ratio
• File Size: Keep under 5MB for web performance
• Resolution: Use 72 DPI for web, 300 DPI for print
• Format: JPEG for photos, PNG for graphics with transparency
• Colors: Use sRGB color space for consistent web display
• Aspect Ratio: Always maintain the recommended ratio
💡 Pro Tip: All image processing happens locally in your browser. Your images are never uploaded to any server, ensuring complete privacy and security. This tool uses HTML5 Canvas for processing, which works entirely offline.