Twitter/X Image Resizer
Resize images for Twitter/X Posts (1600x900), Header Photos (1500x500). Optimized for engagement.
Upload Images
Drag & drop images or click to browse
JPEG, PNG, WebP, HEIC supported • Ctrl+V to paste
How to Use Image Resizer
- 1 Upload your image
- 2 Select Post or Header
- 3 Position for best visibility
- 4 Download Twitter-ready image
What You Get
Twitter/X dimensions. Post (1600x900), Header (1500x500).
Input: Tweet image
Output: 1600×900 (16:9) best size for timeline visibility
Input: Header photo
Output: 1500×500 profile header size
Input: Wide infographic crop
Output: Optimized crop so text stays readable on mobile
What is the best Twitter/X image size?
1600x900 pixels (16:9) for single images. This displays fully expanded without cropping in the timeline. Smaller images work but may be upscaled and appear softer.
What size is a Twitter/X header image?
1500x500 pixels. The header displays at full size on desktop but gets cropped on mobile. Keep important content centered and avoid text near edges.
What is the Twitter/X profile photo size?
400x400 pixels recommended. Twitter displays profile photos as circles. Upload a square image with your subject centered for best results.
What size are Twitter/X card images?
Summary card: 120x120 minimum, 280x150 optimal. Large card: 800x418 (1.91:1). Cards display when sharing links with Twitter Card meta tags.
How many images can I post in a Twitter/X tweet?
Up to 4 images per tweet. With 2 images, each is 700x800. With 3-4 images, they display in a grid layout with varying crop dimensions.
Why does Twitter/X crop my image?
Twitter uses a 16:9 algorithm to determine crop focus. Faces and high-contrast areas are prioritized. Upload at 16:9 aspect ratio to control exactly what appears.
What size is a Twitter/X Spaces cover?
1500x500 pixels, same as the profile header. Spaces cover images appear when your Space is live and in the Spaces tab on your profile.
How do I resize for Twitter/X ads?
Promoted tweets: 1200x675 (1.91:1). Website cards: 800x418. App cards: 800x800 (1:1). Twitter Ads have specific requirements that differ from organic posts.
Related:
All resizing happens in your browser. Your images never leave your device.