Will resizing reduce my HEIC photo's quality?

Reducing pixel dimensions necessarily discards sample data — that part is unavoidable. But the visible quality loss depends on the destination size. Going from 8064×6048 (48 MP) to 4032×3024 (12 MP) for screen viewing is essentially imperceptible on phone or laptop displays. Going from 4032×3024 to 800×600 will visibly soften detail when zoomed. Use the Very High quality preset (the default) and resize directly to your final target in one pass — never resize in steps and never resize a photo you've already downscaled.

Can I resize without converting away from HEIC?

Yes. The output container stays HEIC with HEVC compression. The only re-encoding is the resize itself; format-level metadata, color profile, and EXIF (date, GPS, camera model, exposure) are preserved. If you need a different format, use convert HEIC to JPG, HEIC to PNG, or HEIC to WebP instead.

Why is my 48 MP HEIC still huge after resizing 50%?

Halving each dimension produces a quarter of the pixel area (8064×6048 → 4032×3024 is 4× fewer pixels), but file size scales sub-linearly with HEVC because the encoder is already efficient on smooth regions. Expect roughly 35-50% file reduction at 50% resize, not 75%. To hit a hard byte target, switch the resize method to Specific file size — the tool auto-tunes both dimensions and quality to land at your number.

Does resizing strip Live Photo motion or depth data?

Yes. The Live Photo motion clip and Portrait mode depth map are stored as auxiliary streams inside the HEIC container. Re-encoding the still image at new dimensions writes a new container with only the still — motion and depth are not preserved on download. If you need those intact, share the original via AirDrop or iCloud Link and let the recipient resize on their end.

What's the maximum HEIC dimension I can resize to?

The 4320p preset (7680×4320, 8K UHD) is the upper bound in the Preset Resolutions dropdown. If your source is smaller — say a default 12 MP shot at 4032×3024 — upscaling to 8K won't add real detail; the encoder simply interpolates. Keep targets at or below the source resolution unless you specifically need to pad dimensions for a fixed-grid layout.

Can I batch-resize 100+ photos with one settings profile?

Yes. Drop in as many HEIC files as you want — there's no quantity cap. The same resize method, dimensions, and quality apply to all uploads, and they process in parallel on our servers. Download individually or pull a ZIP at the end. Ideal for an iPhone camera roll export where every photo needs the same treatment.

How do I resize HEIC for an Instagram, X, or Facebook upload?

Instagram tops out at 1080×1350 (4:5 portrait), 1080×1080 (square), or 1080×566 (1.91:1 landscape) — anything larger gets recompressed. X displays inline at 1200×675 max. Facebook's High Quality upload preserves up to 2048px on the long edge. Use Width = 1080 (Instagram), 1200 (X), or 2048 (Facebook) — height auto-calculates and the platform's lossy re-encode is skipped.

Should I resize first or compress first?

If your goal is to hit a target file size, do both in one operation here — set Specific file size and let the tool auto-balance dimensions and quality. If your goal is a specific viewing dimension (e.g. "exactly 1920px wide for my website"), resize first; downstream compression has more room to work on the smaller image. For format-only optimization without changing dimensions, use the dedicated HEIC compressor instead.

Will the resized HEIC open on Windows or Android?

Windows 10 and 11 open HEIC if the user has the free HEIF Image Extensions installed from the Microsoft Store (HEVC Video Extensions also required for hardware acceleration). Android 10+ opens HEIC natively in Google Photos and most viewers. For older Windows, older Android, or maximum compatibility, convert to JPG instead — JPG is universal but ~2× larger at equivalent visual quality.

Resize HEIC

Resize HEIC iPhone photos online. Scale by percentage, exact pixel dimensions, or resolution presets with quality control.

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