01
JPG, PNGGo to uploadPick imageUpload
图片改尺寸
调整图片尺寸
改好尺寸后保存
改好尺寸后保存JPG, PNG, WEBP
02
改好尺寸后保存Go to uploadGet resultUpload, then save
01Pick image
UploadStart with one image
02Get result
Result workspaceSee the result here as you work.
Pending
Preparing resultWorking
Set values to prepare the result
Waiting for file512 × 512 · JPG
Save nowCheck after upload
Adjust options
Choose taskSize inputs
Numbers are editable
Editable size
Current inputsStarts at 512 × 512. You can edit the numbers below.
Direct pixel setupSet width and height
Set optionsSave setup
Set size and format
AdvancedAdjust only when neededOpen
图片改尺寸
调整图片尺寸
改好尺寸后保存
改好尺寸后保存JPG, PNG, WEBP
Last updated2026-04-09
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
Set values to prepare the result
Waiting for file512 × 512 · JPG
Save nowCheck after upload
Adjust options
Choose taskSize inputs
Numbers are editable
Editable size
Current inputsStarts at 512 × 512. You can edit the numbers below.
Direct pixel setupSet width and height
Set optionsSave setup
Set size and format
AdvancedAdjust only when neededOpen
Quick note about this tool
The tool name and page path are sent automatically.
调整图片尺寸What this tool is for
调整图片尺寸 accepts JPG, PNG, WEBP files, works in your browser, and prepares JPG, PNG, WEBP output. 直接在浏览器里调整图片宽度、高度或长边。无需打开复杂编辑器，就能保存一份新尺寸的图片。
The uploaded file is processed in the browser and only the resulting download is prepared.
直接在浏览器里调整图片宽度、高度或长边。无需打开复杂编辑器，就能保存一份新尺寸的图片。
适合这些场景
JPG, PNG, WEBP
当上传前必须满足固定宽高时。
当你只想先把长边缩小一点时。
当你要为网页、文档或社媒另存一个尺寸版本时。
Frequently asked questions
These short answers help search visitors confirm the tool fit without leaving the page.
会保持原始比例吗？
会。你可以只改宽、高或目标尺寸，同时保留原始比例。
能做精确像素尺寸吗？
能。适合网站、文档或模板要求固定宽高的情况。