How do I convert JFIF to AVIF?

Upload your JFIF file above. It is converted to AVIF 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 AVIF lose quality?

AVIF is lossy by default, so some fine detail is discarded to make the file smaller. Raise the quality or switch on lossless in Settings for a closer copy.

JFIF or AVIF: which should I use?

Use JFIF for nothing a JPG can’t do — it holds the same image data. Use AVIF for the smallest high-quality images for websites and apps. Keep in mind the main drawback of AVIF: it is slow to create and many editing apps and older devices can’t open it.

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.

Is the JFIF to AVIF 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 AVIF — Smallest High-Quality Images

Convert JFIF to AVIF online for very small, high-quality web images. No software to install. Preview one free or batch-convert with Premium.

Drop your JFIF file or click to browse

Why convert JFIF to AVIF?

AVIF files are usually smaller than JFIF for the same picture, so pages load faster and uploads finish sooner.
AVIF is made for the smallest high-quality images for websites and apps.

What to expect when converting JFIF to AVIF

AVIF uses lossy compression by default; raise the quality or switch on lossless in Settings for a closer copy.
Your original JFIF file isn’t changed: you download a new AVIF copy.

JFIF vs AVIF

기능	JFIF	AVIF
성명	JPEG File Interchange Format	AV1 Image File Format
Origin	Defined in 1992 as the standard JPEG file layout	Released by the Alliance for Open Media in 2019
압축	Lossy (it is a JPEG)	Lossy or lossless
Transparency	아니요	Yes — smooth, partial transparency
애니메이션	아니요	예
색상	16.7 million colours (8 bits per channel)	8, 10 or 12 bits per channel, including HDR
Where it opens	Most image viewers, but many upload forms reject the .jfif extension	Current Chrome, Edge, Firefox and Safari 16+; fewer editing apps
다음에 가장 적합	nothing a JPG can’t do — it holds the same image data	the smallest high-quality images for websites and apps
Main drawback	upload forms and some apps reject the .jfif extension	it is slow to create and many editing apps and older devices can’t open it

In short: choose JFIF for nothing a JPG can’t do — it holds the same image data; choose AVIF for the smallest high-quality images for websites and apps.

Frequently asked questions

How do I convert JFIF to AVIF?: Upload your JFIF file above. It is converted to AVIF 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 AVIF lose quality?: AVIF is lossy by default, so some fine detail is discarded to make the file smaller. Raise the quality or switch on lossless in Settings for a closer copy.
JFIF or AVIF: which should I use?: Use JFIF for nothing a JPG can’t do — it holds the same image data. Use AVIF for the smallest high-quality images for websites and apps. Keep in mind the main drawback of AVIF: it is slow to create and many editing apps and older devices can’t open it.
What is a JFIF file?: 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.
Is the JFIF to AVIF 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.

JFIF to AVIF로 할 수 있는 일

시작하기 전에 주요 기능을 검토하세요.

Convert JFIF files to AVIF online
Choose AVIF quality or switch to lossless
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

JFIF to AVIF에 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: For JPG, BMP and image-to-PDF output, which can’t store transparency: the colour that fills transparent areas (white by default).