How to resize an image for social media

Every social media platform has specific required or recommended image dimensions. Posting the wrong size results in cropped thumbnails, blurry headers, or rejected uploads. This guide lists the most common social media image dimensions for 2026 and shows how to resize your image using the quickhelp.dev Image Resizer in under 30 seconds.

Step-by-step guide

1. Choose your target platform dimensions: Common sizes: Instagram post 1080×1080, Instagram story 1080×1920, LinkedIn banner 1584×396, Twitter/X post 1200×675, YouTube thumbnail 1280×720, Facebook cover 851×315.
2. Upload and resize: Open quickhelp.dev/image-resizer, upload your image, and enter the target dimensions in the Resize tab. Turn off aspect ratio lock for non-proportional platform sizes.
3. Export as JPEG or WebP: Select JPEG at quality 85–90 for photos (smaller file, good quality). Use PNG for graphics with text or transparent areas.

Frequently asked questions

What is the best format for Instagram uploads?

JPEG is recommended for photos (Instagram recompresses on upload anyway). PNG for graphics with sharp text or transparent elements.

Does aspect ratio matter for LinkedIn?

Yes — LinkedIn crops images to required ratios in previews. Resize to the exact dimensions before uploading to avoid unexpected cropping.