How do I convert WebP to AVIF?

Upload your WebP 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 WebP 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.

Will the AVIF keep the transparent background?

Yes. AVIF supports smooth, partial transparency, so transparent areas stay transparent.

Will the animation be kept?

Nej. AVIF kan ikke rumme animation, så en animeret WebP gemmes som sit første billede.

WebP or AVIF: which should I use?

Use WebP for websites, online stores and blogs that need fast-loading images. 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.

WebP was designed by Google for the web. Google measured lossy WebP files at 25–34% smaller than comparable JPGs, and WebP also handles transparency and animation.

Is the WebP 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 ”WebP til AVIF”

Convert WebP to AVIF — Smallest High-Quality Images

Convert WebP to AVIF online for very small web images that keep transparency. No software to install. Preview one free or batch-convert with Premium.

Drop your WebP file or click to browse

Why convert WebP to AVIF?

AVIF files are usually smaller than WebP for the same picture, so pages load faster and uploads finish sooner.
Transparent areas stay transparent: AVIF supports smooth, partial transparency just like WebP.
AVIF is made for the smallest high-quality images for websites and apps.

What to expect when converting WebP to AVIF

AVIF kan ikke indeholde denne animation, så en animeret WebP gemmes som sit første billede.
AVIF uses lossy compression by default; raise the quality or switch on lossless in Settings for a closer copy.

WebP vs AVIF

Funktion	WebP	AVIF
Fulde navn	WebP	AV1 Image File Format
Oprindelse	Released by Google in 2010	Released by the Alliance for Open Media in 2019
Komprimering	Med eller uden tab	Med eller uden tab
Gennemsigtighed	Yes — smooth, partial transparency	Yes — smooth, partial transparency
Animation	Ja	Ja
Farve	8 bit pr. kanal	8, 10 or 12 bits per channel, including HDR
Hvor den kan åbnes	All current browsers; some older desktop apps and upload forms reject it	Current Chrome, Edge, Firefox and Safari 16+; fewer editing apps
Bedst til	websites, online stores and blogs that need fast-loading images	the smallest high-quality images for websites and apps
Største ulempe	ældre apps og nogle uploadformularer accepterer den ikke	det er langsomt at oprette, og mange redigeringsapps og ældre enheder kan ikke åbne det

In short: choose WebP for websites, online stores and blogs that need fast-loading images; choose AVIF for the smallest high-quality images for websites and apps.

Frequently asked questions

How do I convert WebP to AVIF?: Upload your WebP 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 WebP 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.
Will the AVIF keep the transparent background?: Yes. AVIF supports smooth, partial transparency, so transparent areas stay transparent.
Will the animation be kept?: Nej. AVIF kan ikke rumme animation, så en animeret WebP gemmes som sit første billede.
WebP or AVIF: which should I use?: Use WebP for websites, online stores and blogs that need fast-loading images. 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 WebP-fil?: WebP was designed by Google for the web. Google measured lossy WebP files at 25–34% smaller than comparable JPGs, and WebP also handles transparency and animation.
Is the WebP 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 WebP til AVIF

Gennemgå de vigtigste funktioner, før du begynder.

Convert WebP files to AVIF online
Choose AVIF quality or switch to lossless
Switch to any other output format in Settings
Batch-convert many WebP files into one ZIP
Preview the result before you download

Brug dette værktøj

Indstillingsreference

Tilgængelige kontroller til WebP 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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