ℹ️ All resizing happens in your browser. Your image is never uploaded to any server. Max file size: 5MB.
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Resize your images to the perfect dimensions for every social media platform — Instagram, Facebook, LinkedIn, Twitter, Pinterest, YouTube and more. Free and instant.
or click to browse your files
Choose ImageJPG, PNG, WebP · Max 5MB
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This tool resizes images to match the exact dimensions required by popular social media platforms — Instagram posts and stories, Facebook covers and posts, LinkedIn banners, YouTube thumbnails, Twitter/X images, and more — using built-in presets so you don't need to look up or remember each platform's requirements.
Every platform displays images differently, and uploading an image with the wrong dimensions can result in unwanted cropping, stretching, or the platform automatically resizing your image in ways you didn't intend — sometimes reducing quality or cutting off important parts of the image. Designing or resizing to the platform's actual specifications ahead of time gives you control over exactly how your image appears.
Resizing happens entirely in your browser — your image is never uploaded to a server.
Platforms occasionally update their recommended sizes, so if you need a dimension not listed among the presets, our Aspect Ratio Calculator combined with Image Resizer can achieve any custom size.
If your source image has a different aspect ratio than the target preset, the tool will need to either crop part of the image to fit, or add padding — the specific behaviour depends on the preset and tool configuration. For the most control over which part of your image is kept, cropping to the target ratio first with our Image Cropper before resizing can ensure the most important part of the image is preserved.
It's worth understanding that most platform "recommended dimensions" are exactly that — recommendations for the best display quality, not strict requirements that will reject your upload if not met exactly. Most platforms will accept a range of image sizes and resize or crop them automatically on their end. The reason to match the recommended dimensions yourself, rather than relying on the platform's automatic handling, is control: when a platform resizes your image automatically, it makes its own decisions about what to crop or how to scale, which may not match what you intended. Pre-sizing your image means the platform receives an image that's already correctly proportioned, so there's nothing left for it to decide.
When you know an image will be cropped to a specific ratio — for example, a square Instagram post cropped from a wider photo — it helps to think about composition with that crop in mind, ideally before the image is even taken or finalised. Important elements (faces, text, logos, focal points) placed too close to the edges of a wide image risk being cut off when cropped to a narrower or more square format. If you're working with an existing image rather than composing a new one, previewing the crop using Image Cropper before committing to the final social media size lets you adjust the crop position so the important content stays within frame.
If you're preparing several images for the same platform and content type — for example, a series of posts for a campaign — using the same preset for all of them ensures visual consistency in how they appear in a feed or grid. This matters particularly for platforms where images are displayed in a grid layout (like an Instagram profile grid), where inconsistent sizing or cropping between posts can make a profile look disorganised even if each individual image looks fine on its own.
Common presets cover Instagram, Facebook, LinkedIn, YouTube, Twitter/X and similar platforms across various content types like posts, stories, covers and thumbnails.
The image may be cropped to fit the target ratio. For more control, crop your image to the desired ratio first using Image Cropper.
Downscaling generally preserves quality well. If your source image is smaller than the target dimensions, upscaling may result in some softness.
Yes, platforms occasionally update recommended sizes. If a preset seems outdated, use Image Resizer with custom dimensions instead.
No, resizing happens entirely within your browser.