How do I convert AVIF to WebP?

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

WebP 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 WebP keep the transparent background?

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

AVIF compresses still images with the AV1 video codec. It usually produces smaller files than JPG and WebP at the same visual quality and supports HDR and transparency.

Is the AVIF to WebP 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 AVIF to WebP — Smaller Images for Faster Sites

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

Drop your AVIF file or click to browse

Why convert AVIF to WebP?

Transparent areas stay transparent: WebP supports smooth, partial transparency just like AVIF.
WebP is made for websites, online stores and blogs that need fast-loading images.

What to expect when converting AVIF to WebP

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

AVIF vs WebP

機能	AVIF	WebP
氏名	AV1 Image File Format	WebP
Origin	Released by the Alliance for Open Media in 2019	Released by Google in 2010
圧縮	Lossy or lossless	Lossy or lossless
Transparency	Yes — smooth, partial transparency	Yes — smooth, partial transparency
アニメーション	はい	はい
色	8, 10 or 12 bits per channel, including HDR	8 bits per channel
Where it opens	Current Chrome, Edge, Firefox and Safari 16+; fewer editing apps	All current browsers; some older desktop apps and upload forms reject it
こんな方に最適	the smallest high-quality images for websites and apps	websites, online stores and blogs that need fast-loading images
Main drawback	it is slow to create and many editing apps and older devices can’t open it	older apps and some upload forms don’t accept it

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

Frequently asked questions

How do I convert AVIF to WebP?: Upload your AVIF file above. It is converted to WebP 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 AVIF to WebP lose quality?: WebP 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 WebP keep the transparent background?: Yes. WebP supports smooth, partial transparency, so transparent areas stay transparent.
AVIF or WebP: which should I use?: Use AVIF for the smallest high-quality images for websites and apps. Use WebP for websites, online stores and blogs that need fast-loading images. Keep in mind the main drawback of WebP: older apps and some upload forms don’t accept it.
What is a AVIF file?: AVIF compresses still images with the AV1 video codec. It usually produces smaller files than JPG and WebP at the same visual quality and supports HDR and transparency.
Is the AVIF to WebP 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.

AVIF to WebP でできること

始める前に、主な機能を確認してください。

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

このツールを使用する

設定リファレンス

AVIF to WebP で使用可能なコントロール。

設定

出力形式ドロップダウン: Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.オプション: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
品質スライダーレンジ: 20–100 · デフォルト: 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.
ロスレスモードオン/オフ: For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
背景の塗りつぶしカラーピッカー: For JPG, BMP and image-to-PDF output, which can’t store transparency: the colour that fills transparent areas (white by default).