Compress HEIC Images for Ghost
Ghost is a professional publishing platform focused on performance. Optimized images are critical for Ghost sites to achieve excellent Core Web Vitals scores and SEO rankings. High Efficiency Image Format — the default photo format on iPhones and modern Apple devices. Excellent compression. Use ImageSmith to compress your HEIC images to the ideal file size for Ghost — target under 2,000KB for optimal performance. Processing is fully browser-based — no server uploads.
Recommended format
WebP
Max file size
2,000KB
Dimensions
1200×900 for post feature images, 600px wide for inline
✓Ghost natively supports WebP — use it for 25–35% smaller files
✓Feature images display prominently — use high-quality source files
✓Target under 200KB for article images and under 100KB for thumbnails
✓Ghost generates responsive image srcsets automatically from your uploads
Compress HEIC for Other Platforms
Compress HEIC for Ghost — FAQ
Ghost works best with images under 2,000KB. Recommended dimensions: 1200×900 for post feature images, 600px wide for inline. ImageSmith can compress HEIC images to any target size in seconds.
Ghost primarily supports JPEG, PNG, WEBP, GIF. Converting to WebP is recommended for best compatibility.
Upload your HEIC image to ImageSmith, set a target size under 2,000KB, and compress. Ghost natively supports WebP — use it for 25–35% smaller files
WebP is the recommended format for Ghost as the platform fully supports it and generates responsive variants automatically. Target feature images under 500KB for fast page loads.