How do I convert JFIF to ICO?

Upload your JFIF file above. It is converted to ICO automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.

Does converting JFIF to ICO lose quality?

Each icon size is scaled down from your image and stored without further compression, so small sizes stay crisp.

JFIF or ICO: which should I use?

Use JFIF for nothing a JPG can't do — it holds the same image data. Use ICO for website favicons and Windows app or shortcut icons. Keep in mind the main drawback of ICO: icons are square and at most 256 × 256 pixels.

JFIF 파일이란 무엇인가요?

A .jfif file is a JPEG with an unusual extension; Windows and some browsers save web images this way. The picture is identical to a .jpg, but many sites and apps refuse the .jfif name.

What sizes does the ICO file include?

The standard icon sizes of 16, 32, 48, 64, 128 and 256 pixels, skipping any larger than your image. Browsers and Windows pick the best size automatically.

Is the JFIF to ICO converter free?

Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

Convert JFIF to ICO — Favicons and Windows Icons

Convert JFIF to ICO online to make a favicon or Windows icon in several sizes. No software to install. Preview one free or batch-convert with Premium.

Drop your JFIF file or click to browse

Why convert JFIF to ICO?

One ICO bundles the standard 16 to 256 px icon sizes (up to the size of your image), ready for a favicon.ico or a Windows shortcut.
ICO를 favicon.ico로 저장하면 브라우저가 사이트의 탭 및 북마크 아이콘으로 표시합니다.

What to expect when converting JFIF to ICO

아이콘은 정사각형이므로 정사각형이 아닌 이미지는 투명한 정사각형의 가운데에 배치됩니다. 이미지보다 큰 크기는 생성되지 않으므로 최소 256 × 256픽셀 이미지로 시작하세요.
원본 JFIF 파일은 변경되지 않으며, 새 ICO 사본을 다운로드하게 됩니다.

JFIF 대 ICO

기능	JFIF	ICO
성명	JPEG File Interchange Format	Windows 아이콘
개발 주체	Defined in 1992 as the standard JPEG file layout	Created by Microsoft for Windows icons
압축	손실 압축(JPEG 형식)	Lossless images at several sizes
투명도	아니요	Yes — smooth, partial transparency
애니메이션	아니요	아니요
색상	1,670만 색상(채널당 8비트)	투명도를 지원하는 풀 컬러
지원 프로그램	Most image viewers, but many upload forms reject the .jfif extension	Browsers (as favicon.ico), Windows and icon editors
다음에 가장 적합	JPG로 할 수 없는 것은 없음 — 같은 이미지 데이터를 담고 있음	website favicons and Windows app or shortcut icons
주요 단점	upload forms and some apps reject the .jfif extension	icons are square and at most 256 × 256 pixels

In short: choose JFIF for nothing a JPG can't do — it holds the same image data; choose ICO for website favicons and Windows app or shortcut icons.

Frequently asked questions

How do I convert JFIF to ICO?: Upload your JFIF file above. It is converted to ICO automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.
Does converting JFIF to ICO lose quality?: Each icon size is scaled down from your image and stored without further compression, so small sizes stay crisp.
JFIF or ICO: which should I use?: Use JFIF for nothing a JPG can't do — it holds the same image data. Use ICO for website favicons and Windows app or shortcut icons. Keep in mind the main drawback of ICO: icons are square and at most 256 × 256 pixels.
JFIF 파일이란 무엇인가요?: A .jfif file is a JPEG with an unusual extension; Windows and some browsers save web images this way. The picture is identical to a .jpg, but many sites and apps refuse the .jfif name.
What sizes does the ICO file include?: The standard icon sizes of 16, 32, 48, 64, 128 and 256 pixels, skipping any larger than your image. Browsers and Windows pick the best size automatically.
Is the JFIF to ICO converter free?: Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

JFIF를 ICO로로 할 수 있는 일

시작하기 전에 주요 기능을 검토하세요.

Convert JFIF files to ICO online
Bundle standard icon sizes from 16 to 256 px in one file
Switch to any other output format in Settings
Batch-convert many JFIF files into one ZIP
Preview the result before you download

이 도구를 사용하세요

설정 참고

JFIF를 ICO로에 사용 가능한 제어 기능입니다.

설정

출력 형식드롭다운: Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.옵션: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
품질슬라이더범위: 20–100 · 기본값: 90: For JPG, WebP, AVIF and image-to-PDF output: higher keeps more detail but makes a bigger file; 60–80 suits most photos. Documents (Publisher, XPS, EPS…) become PDFs with every page and sharp text, with no quality setting.
무손실 모드켜기 / 끄기: For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
배경 채우기색상 선택기: 투명도를 저장할 수 없는 JPG, BMP, 이미지-PDF 출력용: 투명한 영역을 채울 색상(기본값은 흰색).