Resize HEIC Images Online — Free & Instant
Need to resize a HEIC image? ImageSmith lets you compress and optimize HEIC images to precise file size targets — perfect for any platform's dimension requirements. High Efficiency Image Format — the default photo format on iPhones and modern Apple devices. Excellent compression. Process your HEIC files entirely in the browser — no server uploads, so your images stay on your device.
Resize HEIC Now
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Resize HEIC to Common Dimensions
✓Up to 50% smaller than equivalent JPEG at the same visual quality
✓Default format for all iPhone camera photos (iOS 11+)
✓Excellent quality preservation at small file sizes
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Reduce file size without quality loss — browser-based, instant, free.
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Resize HEIC Images — FAQ
Upload your HEIC image to ImageSmith and use the compression tool to reduce it to any target file size. The tool processes images entirely in your browser — no account or upload required.
The ideal size depends on your use case. For web: under 200KB. For social media: under 1MB. For email: under 100KB. ImageSmith helps you hit any target size while maximizing HEIC quality.
ImageSmith optimizes quality settings to minimize visible quality loss during HEIC file size reduction.
For Instagram: 1080×1080 (square) or 1080×1350 (portrait). For Twitter: 1200×675. For Facebook: 1200×630. ImageSmith compresses HEIC images to the file sizes required by each platform.