✳ FREE, NO UPLOAD
X (Twitter) header image size
1500×500 pixels (3.00:1). The profile picture overlaps the lower-left corner of the header on every layout.
- Width
- 1500 px
- Height
- 500 px
- Recommended format
- JPEG or PNG
Resize your image to exactly this
Batch is unlimited and free - every image is processed on your device, so there is no queue and no daily cap.
Dimension guidance reviewed 12 September 2026 · how we check this
Frequently asked
What size should a X (Twitter) header image be?
1500×500 pixels. The profile picture overlaps the lower-left corner of the header on every layout.
What file format should I use?
JPEG for photographs and PNG where you need transparency or crisp text. This tool outputs JPEG at high quality.
Do I have to upload my image to use this?
No. The resize runs in your browser using the canvas API - the image never leaves your device, and there is no daily limit.
Koldflux exports covers and carousel slides already sized correctly for every channel you publish to.
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