01Pick image
UploadStart with the source file
HEIC JPG 変換
JPGをAVIFに変換
JPG→AVIF
JPG→AVIFJPG -> AVIF
02Get result
Result workspaceSee the result here as you work.
AVIF
Preparing resultWorking
Upload to prepare the converted file
Waiting for fileDownload right after conversion
Next fileConvert another file with the same flow
Adjust options
Choose taskSave format
Check the output format
AVIF
JPG -> AVIFConvert in one step
JPG -> AVIFUpload once and create the new format
Set optionsOutput setup
Choose the output format
Save as this formatThis page saves as AVIF.
Source detailsOpen only for source detailsOpen
Info
JPGJPG -> AVIFSupportedInput files
Next
Get resultJPG→AVIFBrowser onlyNext stepUpload, then save
HEIC JPG 変換
JPGをAVIFに変換
JPG→AVIF
JPG→AVIFJPG -> AVIF
Last updated2026-04-10
StabilityStable
Request tags linked to this page
01Pick image
UploadStart with the source file
02Get result
Result workspaceSee the result here as you work.
AVIF
Preparing resultWorking
Upload to prepare the converted file
Waiting for fileDownload right after conversion
Next fileConvert another file with the same flow
Adjust options
Choose taskSave format
Check the output format
AVIF
JPG -> AVIFConvert in one step
JPG -> AVIFUpload once and create the new format
Set optionsOutput setup
Choose the output format
Save as this formatThis page saves as AVIF.
Source detailsOpen only for source detailsOpen
Quick note about this tool
The feedback text, tool name, and page path may be stored for triage.
JPGをAVIFに変換What this tool is for
JPGをAVIFに変換 accepts JPG files, works in your browser, and prepares AVIF output. ブラウザ内でJPGをAVIFに変換します。より小さい最新のWeb向け形式が必要なときに使います。
The uploaded file is processed in the browser and only the resulting download is prepared.
Files and tool inputs are processed in your browser and are not kept in default file storage.
Visitor analytics may count page views, searches, and download events through Plausible or first-party events, and may use a localStorage visitor ID to reduce duplicate counts.
When you submit feedback, the feedback text, tool name, and page path may be stored so the issue can be triaged and followed up.
ブラウザ内でJPGをAVIFに変換します。より小さい最新のWeb向け形式が必要なときに使います。
合うケース
JPG -> AVIF
JPGを受け付けないサイトやフォームに合わせたいとき。
より小さい最新のWeb向け形式のためにAVIFが必要なとき。
ブラウザ内でJPGからAVIFへ手早く変換したいとき。
Frequently asked questions
These short answers help search visitors confirm the tool fit without leaving the page.
JPGをAVIFに変換は何をしますか？
ブラウザ内でJPGをAVIFに変換します。より小さい最新のWeb向け形式が必要なときに使います。
JPGをAVIFに変換はどんなときに使いますか？
JPGを受け付けないサイトやフォームに合わせたいとき。