Crop for Twitter / X Header
Lock to Twitter's wide 3:1 header aspect (1500×500). Switch to 16:9 for in-feed images or 1:1 for profile pictures via the dropdown.
Drop a photo to start
JPG, PNG, WebP, HEIC up to 40 MB · stays in your browser
Never uploaded · 100% browser-side
How it works
- 1
Drop your photo
Drag & drop or browse to upload. JPG, PNG, WebP, HEIC up to 40 MB.
- 2
Pick the Twitter preset
3:1 banner (header), 16:9 in-feed image, or 1:1 profile picture. The crop window locks to your choice.
- 3
Download or open in editor
Save the cropped result, or open it in our AI editor for more changes.
Why use this online tool
Live preview
See exactly what the cropped result will look like as you drag the crop box.
Aspect-locked drag
The crop window snaps to the chosen ratio so you don't have to eyeball pixel dimensions.
100% browser-side
Your photo never leaves your device. No upload, no server-side processing.
Free, no watermark
Unlimited crops, no signup, no overlay on the output.
When to use it
- Profile header banners at 1500×500 - the headline visual on every visitor's first click
- In-feed image attachments at 16:9 for promo posts and announcement tweets
- Profile pictures at 1:1 (the avatar - displayed as a circle in most clients)
- Re-cropping wide landscape photos into Twitter's narrow banner format
- Header redesigns that need consistent ratio without manual pixel math
Frequently asked questions
- Does this upload my photo to a server?
- No. The crop runs entirely in your browser using the Canvas API. Your image data never leaves your device, so the tool works offline once the page is loaded and there's no privacy risk.
- What's Twitter's exact header size?
- 1500×500 pixels - that's 3:1. Twitter scales the header down to fit the user's viewport on mobile and desktop, so cropping at the native 3:1 keeps the banner edge-to-edge without padding.
- How is the profile picture overlaid on the header?
- The circular profile picture sits in the bottom-left of the header, covering roughly the lower-left quadrant on desktop and a smaller patch on mobile. Avoid placing critical text or faces there - test before publishing.
- Does the header look the same on mobile and desktop?
- Mobile crops the header tighter (more letterboxing on the left/right) while desktop shows nearly the full 3:1. Keep important content centered to survive both layouts.
- Will I lose quality after cropping?
- No. Cropping is a pure pixel-removal operation - the kept pixels stay byte-identical. JPG re-encoding can introduce minor compression, so we encode at high quality (≥0.92) by default.
Related free tools
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Crop to Square (1:1)
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Compress Image Online
Shrink your photo's file size without losing visible quality. Compare before/after sizes in real time. Browser-side, no upload.
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