Using the wrong image size on social media causes cropping, blurry thumbnails, and low-quality previews. Every platform has specific requirements, and they change regularly. This is the complete 2025 guide, updated for the latest platform dimensions.
Instagram image sizes 2025
| Format | Dimensions | Ratio |
|---|---|---|
| Square post | 1080×1080px | 1:1 |
| Portrait post | 1080×1350px | 4:5 |
| Landscape post | 1080×566px | 1.91:1 |
| Story / Reel | 1080×1920px | 9:16 |
| Profile picture | 320×320px | 1:1 |
Facebook image sizes 2025
| Format | Dimensions |
|---|---|
| Cover photo | 820×312px |
| Shared post image | 1200×630px |
| Profile picture | 170×170px |
| Story | 1080×1920px |
Twitter / X image sizes 2025
| Format | Dimensions |
|---|---|
| In-stream photo | 1200×675px |
| Header / Banner | 1500×500px |
| Profile picture | 400×400px |
LinkedIn image sizes 2025
| Format | Dimensions |
|---|---|
| Post image | 1200×628px |
| Personal banner | 1584×396px |
| Company logo | 300×300px |
| Company cover | 1128×191px |
YouTube image sizes 2025
| Format | Dimensions |
|---|---|
| Thumbnail | 1280×720px |
| Channel art / Banner | 2560×1440px |
| Profile picture | 800×800px |
How to resize your image to these dimensions
Use ImageZen4u's Resize Image tool. Enter the exact width and height, enable the aspect ratio lock if needed, and download. For batch resizing multiple images to the same size — for example resizing 20 product photos to Instagram's 1080×1080px — use the Batch Resize tool and download all as a ZIP.
Why browser-based tools are better for privacy
Traditional online tools upload your files to a remote server, process them there, and send the result back. This means your files — which may contain sensitive personal, financial, or confidential information — pass through and are temporarily stored on a computer you do not control. Browser-based tools like the ones covered here work entirely on your own device. Your files never travel across the internet, which eliminates the privacy risk completely.
What to look for in a free online tool
When choosing a free tool, check three things. First, does it upload your files or process them locally? Local processing is always more private. Second, does it add watermarks or impose daily limits? Genuinely free tools do not. Third, does it require an account? The best tools let you start immediately without signing up. A tool that processes files in your browser, adds no watermarks, and needs no account gives you the most freedom and privacy.
Tips for the best results
For the highest quality output, always start with the highest quality source file you have. Avoid repeatedly processing the same file through multiple tools, as each step can compound small quality losses. When a tool offers quality or compression settings, experiment with them to find the right balance between file size and visual quality for your specific needs. And always keep a backup of your original file before making changes.
Resize your images for social media now
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