Convert HEIC to ICO

HEIC to ICO converter that runs entirely in your browser. 100% free, no signup, no upload — your files never leave your device. One-click batch conversion.

Conversions

Drop any file here or click to browse

All file types supported

About formats

HEIC

HEIC (High Efficiency Image Container) is Apple's implementation of the HEIF standard, using the HEVC codec. It stores images at roughly half the file size of JPEG at comparable quality. HEIC is the default photo format on iOS 11+ and macOS High Sierra+, and supports multiple images and depth data within a single file.

Developer: Apple / MPEG
Initial release: 2017
Compression: Lossy
Color depth: up to 16-bit HDR
Transparency: Yes
Animation: Yes

Best for

Saving iPhone photos
High-quality mobile photography
Reducing photo storage on iOS
HDR image capture
Efficient photo archival on Apple devices

Pros

+Roughly half the size of JPEG at comparable quality
+Supports transparency and animation
+Stores multiple images and depth data
+Default iOS photo format

Cons

−Limited support on older Windows and non-Apple platforms
−Requires newer software to decode
−Less universally supported than JPG
−No universal web browser support historically

ICO

ICO is the image container format used for Windows icons and favicons. A single ICO file can bundle multiple sizes and color depths so that the operating system can select the best resolution. ICO is still essential for desktop application icons and website favicons.

Developer: Microsoft
Initial release: 1985
Compression: Uncompressed
Color depth: up to 32-bit
Transparency: Yes
Animation: No

Best for

Windows application icons
Website favicons
Bundling multiple icon sizes
Desktop app icon resources
Browser tab favicon images

Pros

+Bundles multiple sizes and color depths in one file
+Essential for Windows app icons
+Supports transparency
+OS selects the best resolution automatically

Cons

−Limited to icon use cases
−Not suited for general photography
−Less universal outside Windows
−No modern compression

How to convert HEIC to ICO

1
Select HEIC files from your computer, Google Drive, Dropbox, a URL, or by dragging them onto the page.
2
Choose ico — or any other format you need as a result (more than 200 formats supported).
3
Let the file convert, then download your ico file right away.

HEIC vs ICO

Property	HEIC	ICO
Compression	Lossy	Uncompressed
Transparency	Yes	Yes
Animation	Yes	No
Color depth	up to 16-bit HDR	up to 32-bit
Open format	No	Yes

When to use HEIC vs ICO

HEIC

Saving iPhone photos
High-quality mobile photography
Reducing photo storage on iOS
HDR image capture
Efficient photo archival on Apple devices

ICO

Windows application icons
Website favicons
Bundling multiple icon sizes
Desktop app icon resources
Browser tab favicon images

Use cases for HEIC → ICO

Saving iPhone photos
High-quality mobile photography
Reducing photo storage on iOS
HDR image capture
Efficient photo archival on Apple devices
Windows application icons
Website favicons
Bundling multiple icon sizes
Desktop app icon resources
Browser tab favicon images

Frequently Asked Questions

Is converting HEIC to ICO free?

Yes. This HEIC → ICO converter runs entirely in your browser and is completely free — no account, no credits, no watermark.

Which devices and platforms can I use to convert HEIC to ICO?

Any modern device with a current web browser: Windows, macOS, Linux, Android, iPhone and iPad. There is nothing to install — the conversion happens locally.

Are my HEIC files uploaded to a server?

No. Files never leave your device. The entire HEIC → ICO conversion runs locally in your browser, so your data stays private.

Can I convert multiple HEIC files at once?

Yes — batch conversion is supported. Add as many HEIC files as you like and convert them to ICO in one pass, then download the results together.

What is the maximum file size?

There is no fixed server-side limit because the conversion happens in your browser. Practical limits depend on the available memory and CPU of your device.

Will converting HEIC to ICO lose quality?

No. ICO is a lossless format (or used in a lossless mode here), so the original data from your HEIC file is preserved bit-for-bit in the converted result.

Will transparency be preserved when converting HEIC to ICO?

Yes. Both HEIC and ICO support alpha-channel transparency, so transparent areas of your file are kept unchanged in the ICO output.

How will the file size change after converting HEIC to ICO?

Both formats use comparable compression, so the ICO output will be similar in size to your HEIC file — typically within 10–20% of each other.

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FREE

100% Free

No hidden fees, no subscriptions, and no limits. Enjoy complete access to all features gratis.

SIGNUP

No Signup Required

Start converting immediately without creating an account or sharing email address.

PRIVACY

Private & Secure

Your files never leave your device. All processing is completed locally for maximum privacy.

BATCH

Batch Conversion

Convert multiple files simultaneously to save time. Fast and efficient multi-file queue.

LOCAL

Runs in Browser

Utilizes advanced client-side WebAssembly technology to process files directly inside your tab.

FORMATS

200+ Formats

Supports a wide variety of formats including images, documents, audio, video, and more.

USER REVIEWS

Convert HEIC to ICO Quality Rating

4.8

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