Any image.
Every platform.
One click.
Free browser-based image resizer. Nothing leaves your device.
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Step 1 · Upload
Drop your image here
JPG · PNG · WEBP · HEIC — processed locally
Step 2 · Choose platforms
Social
Ads
Logos & Branding
Crop mode
Fill crops to exact size · Fit pads to preserve full image
Format
PNG for logos · JPG for photos · WEBP for web
Step 3 · Download
Live preview
Your preview will appear here
1080 × 1080 px
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01
Upload anything
Drop a JPG, PNG, WEBP or HEIC. Stays on your device.
02
Pick your platform
Choose one preset — or many. We resize them all at once.
03
Download instantly
One file, or a tidy ZIP, named for every platform.
Works with every platform you use
Instagram
TikTok
Facebook
LinkedIn
Pinterest
YouTube
𝕏Twitter/X
Meta
Google Display Rectangle
Website Logo
App Icon
Email
About Gitsize
Gitsize is a free tool built for creators, marketers, and businesses who need the right image size — instantly. No uploads to servers. No signup. No nonsense. Just resize and download.