Image tools
Resize Image
Change image dimensions by width, height or percentage. Lock the aspect ratio or set exact pixels.
Files are processed in your browser and are not uploaded to our servers.
Common resize presets
- Email — 1200px wide keeps attachments light
- Website — 1920px for full-width images
- Social media — 1080px square-friendly width
- Thumbnails — 400px
Resizing vs compressing
Resizing changes the number of pixels. Fewer pixels usually means a smaller file. If you need a specific file size such as 100 KB, use the image compressor with a target size instead.
Supported formats and limits
JPG, PNG and WebP up to 10 MB, one image at a time. Very large dimensions may be slow on older phones.
Frequently Asked Questions
File size depends on content, not just dimensions. Use Compress Image with a 100 KB target — it reduces dimensions automatically if needed.
No. Making an image bigger than its original stretches the existing pixels and can look soft.
No. Conversion runs in your browser, so your images stay on your device.
Yes. It's free and doesn't need an account.