100% private & on-device
Social images,sized right.
Crop or fit one whole image for Instagram, YouTube, X, TikTok, LinkedIn, or your blog. Pick a preset and download the exact size.
- ✓14 useful size presets
- ✓Crop or keep the whole image
- ✓No uploads or account
- ✓JPG, PNG and WebP
Privacy you can verify
Never uploaded
Your image stays on your device from selection to download.
Responsive while resizing
Large image work does not freeze the rest of the page.
Preview disappears
Reset or close the page and the local preview is released.
Three simple steps
One image, the right shape
Choose an image
Select a JPG, PNG, or WebP file.
Pick a platform
Choose a ready-made post, cover, banner, or blog size.
Choose the layout
Position a crop or preserve the whole image, then download.
Questions
Social image resizer FAQ
Are my images uploaded?
No. The image is read and resized on your device. OnDeviceKit never receives the file.
Will the image be stretched?
No. Choose Crop to fill and use nine positions to control the crop, or choose Fit whole image to preserve everything with solid white space around it.
Which file types can I use?
You can use JPG, PNG, and WebP files up to 30 MB. The downloaded image keeps the same file type.