01Pick image
UploadStart with one image
画像 圧縮
JPGを圧縮
JPGを軽く保存
JPGを軽く保存JPG
02Get result
Result workspaceSee the result here as you work.
Pending
Preparing resultWorking
Upload to prepare the compressed result
Waiting for fileJPG · Quality 80
Save nowCheck after upload
Adjust options
Choose taskCompression mode
Pick the compression mode
JPG compress
Compress JPG fastKeep quality, lighten JPG
Quality 80Quality and long edge together
Set optionsCompression setup
Set quality and format
JPGOnly JPG output here.
AdvancedAdjust only when neededOpen
Info
JPGJPGSupportedInput files
Next
Get resultJPGを軽く保存Browser onlyNext stepUpload, then save
画像 圧縮
JPGを圧縮
JPGを軽く保存
JPGを軽く保存JPG
Last updated2026-05-15
StabilityStable
Request tags linked to this page
01Pick image
UploadStart with one image
02Get result
Result workspaceSee the result here as you work.
Pending
Preparing resultWorking
Upload to prepare the compressed result
Waiting for fileJPG · Quality 80
Save nowCheck after upload
Adjust options
Choose taskCompression mode
Pick the compression mode
JPG compress
Compress JPG fastKeep quality, lighten JPG
Quality 80Quality and long edge together
Set optionsCompression setup
Set quality and format
JPGOnly JPG output here.
AdvancedAdjust only when neededOpen
Quick note about this tool
The feedback text, tool name, and page path may be stored for triage.
JPGを圧縮What this tool is for
JPGを圧縮 accepts JPG files, works in your browser, and prepares JPG output. JPGファイルをブラウザ内で圧縮し、アップロード前により軽く保存します。
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.
JPGファイルをブラウザ内で圧縮し、アップロード前により軽く保存します。
合うケース
JPG
JPGだけを素早く軽くしたいとき。
JPGが重くて提出やアップロードに通らないとき。
Frequently asked questions
These short answers help search visitors confirm the tool fit without leaving the page.
このページはJPG専用ですか？
はい。JPGだけを素早く圧縮したいとき向けです。
容量制限がある提出にも使えますか？
はい。JPGの容量を下げて再保存したいときに役立ちます。