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.

Forhåndsvisning af resultatet fra ”JFIF til AVIF”

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.
Din originale JFIF-fil ændres ikke: du downloader en ny AVIF-kopi.

JFIF vs AVIF

Funktion	JFIF	AVIF
Fulde navn	JPEG File Interchange Format	AV1 Image File Format
Oprindelse	Defined in 1992 as the standard JPEG file layout	Released by the Alliance for Open Media in 2019
Komprimering	Med tab (det er en JPEG)	Med eller uden tab
Gennemsigtighed	Nej	Yes — smooth, partial transparency
Animation	Nej	Ja
Farve	16,7 millioner farver (8 bit pr. kanal)	8, 10 or 12 bits per channel, including HDR
Hvor den kan åbnes	Most image viewers, but many upload forms reject the .jfif extension	Current Chrome, Edge, Firefox and Safari 16+; fewer editing apps
Bedst til	intet, som en JPG ikke kan — den indeholder de samme billeddata	the smallest high-quality images for websites and apps
Største ulempe	upload forms and some apps reject the .jfif extension	det er langsomt at oprette, og mange redigeringsapps og ældre enheder kan ikke åbne det

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.
Hvad er en JFIF-fil?: 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.

Hvad du kan gøre med JFIF til AVIF

Gennemgå de vigtigste funktioner, før du begynder.

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

Brug dette værktøj

Indstillingsreference

Tilgængelige kontroller til JFIF til AVIF.

Indstillinger

Resultat formatRullemenu: Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.Indstillinger: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
KvalitetSkyderRækkevidde: 20–100 · Standard: 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.
Tabsfri tilstandTil/fra: For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
BaggrundsfyldFarvevælger: Til JPG, BMP og billede-til-PDF, som ikke kan gemme gennemsigtighed: farven, der udfylder gennemsigtige områder (hvid som standard).

Tilstand

Enkelt fil / batchRullemenu: Behandle én fil eller en batch med delte indstillinger. Batchresultater downloades som én ZIP.Indstillinger: Enkelt filFlere filer

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