PNG, JPG, WebP, HEIC, GIF, BMP, SVG를 지원하는 무료 이미지 변환기. 아이폰 HEIC 변환, 이미지 용량 줄이기, 사이즈 조절을 브라우저에서 바로 처리합니다.
Your images are processed safely in your browser and never uploaded to a server
0
전체 누적 변환 횟수
task_alt0파일
compress0 KB절약
cloud_upload
이미지를 드래그하거나 클릭하세요
PNG, JPG, WebP, GIF, BMP, HEIC, SVG · 최대 100개
0개 파일 선택됨
tune출력 설정
85%
100%
link
92%
출력 크기: — × — px
75%
Processing...
check_circle변환 결과
menu_bookHow to use the image converter
Wellcoms free image converter converts PNG, JPG, WebP, HEIC, GIF, BMP and SVG, and reduces image file size — all 100% in your browser. Your images are never uploaded to a server, so your files stay private.
Supported formats
Input
Output
PNG
JPG, WebP, GIF
JPG
PNG, WebP, GIF
WebP
PNG, JPG, GIF
HEIC (iPhone)
JPG, PNG, WebP
GIF
PNG, JPG, WebP
BMP
PNG, JPG, WebP
SVG
PNG, JPG, WebP
Key features
Format conversion — batch-convert PNG to JPG, JPG to WebP and more.
Image compression — reduce file size by 60–80% with minimal quality loss. WebP output is 25–35% smaller and helps page speed and Google SEO.
Resize — enter custom dimensions or pick presets (profile, thumbnail, HD, FHD, 4K) with aspect-ratio lock.
Batch processing — up to 100 images at once, then download everything as a ZIP.
Note — animated GIFs are converted from the first frame.
Frequently asked questions
Are my images uploaded to a server?
No. Everything happens inside your browser; files are never sent to or stored on our servers.
Can I convert iPhone HEIC photos to JPG?
Yes. Drag and drop HEIC files and convert them to JPG, PNG or WebP — no app installation needed.
How much smaller will my files get?
At quality 75%, files typically shrink by 60–80% with little visible difference. Converting to WebP saves another 25–35%.