Image Resizer
Resize images to any dimension
100% free. Runs entirely in your browser - your files and data never leave your device and nothing is uploaded to any server.
LinkedIn Post selected — upload an image to apply it.
Drag & drop files here
or browse to upload
Supports PNG, JPG, WebP up to 20MB
Processed in your browser - your file never leaves this device.
About this tool
LinkedIn Post Image is 1200 x 1200 pixels - a square 1:1 frame. Drop any image in and it is resized to exactly that, with a live preview so you can see the crop before you commit to it. Square posts take more vertical space in the feed than landscape ones, which matters on mobile. Square posts take more vertical space in the LinkedIn feed than landscape ones, which is worth more than the extra width. The image never leaves your computer - the resize runs in the browser, which also means there is no queue and no file-size cap. Cropping to 1:1 from another shape removes part of the image by definition. The preview makes that visible before you download rather than after.
How to use this tool
- Drop your image inAny JPG, PNG or WebP. Nothing is uploaded - your browser reads the file directly.
- It resizes to 1200 x 1200 pixelsThe LinkedIn Post Image preset is already selected on this page, so there is nothing to type in.
- Check the preview and downloadThe preview shows the exact crop. Reposition if you need to, then save as JPG, PNG or WebP.
Key features
- Live preview, so you see the crop before downloading instead of after.
- No limit on how many images you resize.
- Export as JPG, PNG or WebP, whichever the platform prefers.
- Resizes to exactly 1200 x 1200 pixels, the current LinkedIn Post Image size.
- Runs in your browser - no upload, no account, no watermark.
Common uses
- Preparing a batch at 1200 x 1200 pixels before a scheduled post.
- Fixing an image a platform rejected for being the wrong dimensions.
- Sharing an image to the LinkedIn feed.
- Getting a correctly sized image without opening a full editor for a 30-second job.
- Resizing on a phone without installing an editing app.
Tips for better results
- PNG keeps text and sharp edges crisp at this size; JPG is smaller for photographs.
- Square posts take more vertical space in the LinkedIn feed than landscape ones, which is worth more than the extra width.
- Start from the largest original you have. Scaling up to 1200 x 1200 pixels from something smaller looks soft, and nothing undoes that.
- Crop to 1:1 before resizing when the subject matters - then you choose what is lost rather than the tool.
Mistakes to avoid
- Assuming another platform at the same pixel size behaves identically. Square posts take more vertical space in the LinkedIn feed than landscape ones, which is worth more than the extra width.
- Re-saving the same JPG over and over. Each save loses a little more detail, permanently.
- Putting important detail near the edges of a 1:1 frame. Platforms crop again for thumbnails and previews.
- Letting the image stretch instead of keeping the ratio. A squashed face is more obvious than a tight crop.
Frequently asked questions
1200 x 1200 pixels - a square 1:1 frame, 1.4 megapixels.
Drop it onto this page. The LinkedIn Post Image preset is already selected, so it resizes straight to 1200 x 1200 pixels and shows the crop before you download.
JPG for photographs, PNG when there is text or transparency, WebP when the platform accepts it and you want the smallest file.
Square posts take more vertical space in the LinkedIn feed than landscape ones, which is worth more than the extra width.
No. The resize uses your own device image engine, so files never leave your computer.
No. It keeps the 1:1 ratio and shows what will be cropped, so you can reposition before downloading rather than finding a bad crop afterwards.
Yes. It runs in the browser, so it works on iPhone and Android as well as desktop, with no app to install.
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