Social Media Image Resizer — Instagram, Facebook, Twitter & More
Resize images for social media free — preset dimensions for Instagram posts and stories, Facebook cover, Twitter header, LinkedIn banner, YouTube thumbnail and more. No sign-up, download instantly.
Last updated: June 2026
Drop an image here or click to upload
JPG, PNG, WebP · processed locally, never uploaded
Choose a size
X / Twitter
YouTube
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About this tool
The right size for every platform
Each social network displays images at its own aspect ratio, and uploading the wrong size means awkward cropping, blurry rescaling or wasted space. This social media image resizer takes the guesswork out: drop in a photo, pick a platform preset, and the tool instantly crops and resizes it to the exact pixel dimensions that Instagram, YouTube, LinkedIn, X and Facebook recommend.
It covers the sizes you actually use — Instagram square, portrait, landscape and story/reels; YouTube thumbnails and channel art; LinkedIn posts and covers; X posts and headers; and Facebook posts, covers and profile pictures. Each preset uses a fixed aspect ratio and centre-crops the overflow so your image fills the frame cleanly, exactly as the platform will show it.
Best of all, the entire process happens in your browser using the HTML canvas — your photo is never uploaded and nothing is stored, so you can resize private or unpublished images with confidence. Download the result as a high-quality PNG and post it straight away. If you also need a smaller file size, run the output through our image compressor. It's fast, free and requires no account.
How it works
Three quick steps — no account, nothing uploaded to a server.
Upload an image
Drag in or select a JPG, PNG or WebP — it stays local.
Pick a preset
Choose the platform and size you need.
Download
Get a perfectly cropped PNG to post.
FAQ
Frequently asked questions
What are the correct image sizes for social media in 2026?
Common recommended sizes are: Instagram feed square 1080×1080, portrait 1080×1350 and story/reels 1080×1920; X post 1200×675 and header 1500×500; LinkedIn post 1200×627 and cover 1584×396; YouTube thumbnail 1280×720 and channel art 2560×1440; Facebook post 1200×630 and cover 851×315. This tool has a one-click preset for each.
Does the resizer upload my image?
No. Your photo is read and resized entirely in your browser using the HTML canvas — it never leaves your device and nothing is stored on a server. You can resize private images safely.
How does the cropping work?
Each preset has a fixed aspect ratio. The tool scales your image to fill that ratio and centre-crops the overflow, so the result fills the frame with no letterboxing. This matches how the platforms display images, so what you see is what your followers see.
What format is the downloaded image?
The resized image downloads as a PNG, which preserves quality and supports transparency. PNG is widely accepted by every social platform. If you need a smaller file for photos, you can run the result through our image compressor.
Will resizing reduce my image quality?
Resizing to the recommended dimensions keeps quality high, especially when your original is larger than the target. If your source image is smaller than the preset, it will be scaled up and may look softer — for best results, start with a high-resolution photo.
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