File Convert

Convert FITS to HEIC

Free online FITS-to-HEIC converter — upload a FITS file and download a HEIC. Fast, private, no signup.

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How to convert FITS to HEIC

Upload your FITS file

Drag and drop your FITS into the converter above, or click to choose it. Large files upload straight to storage with a progress bar — and we detect the real format from the file's bytes, so even a mislabeled file works.

Convert to HEIC

HEIC is already selected as the target. Any options that apply to a HEIC — quality, resize, rotate and more — appear automatically; tweak them or leave the defaults, then start the conversion.

Download your HEIC

Your HEIC is ready in seconds. Download it, inspect or strip its metadata, or share it with a private link — your choice.

FITS vs HEIC

FITS

FITS — the Flexible Image Transport System used in astronomy; convert-from only.

About FITS

HEIC

HEIF/HEVC-compressed image; Apple's default photo format.

About HEIC

FITS to HEIC: frequently asked questions

How do I convert FITS to HEIC?

Drop your FITS file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a HEIC to download. No software to install.

Is the FITS to HEIC converter free?

Yes. Convert FITS to HEIC for free right in your browser, with no account needed to get started.

Is it safe and private?

Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.

What's the difference between FITS and HEIC?

FITS — the Flexible Image Transport System used in astronomy; convert-from only. HEIF/HEVC-compressed image; Apple's default photo format.

Related conversions

Convert FITS to: JPG · PNG · WEBP · GIF · AVIF · TIFF · APNG · BMP · DDS · EPS

Convert to HEIC from: APNG · AVIF · BMP · CUR · DDS · DPX · EPS · EXR · GIF · HDR

Browse all supported formats →