Image
Twitter Header Size
Twitter Header Size helps you complete image editing quickly with instant results in your browser. No upload is required and your data stays on your device.
- Header image1500 × 500 px
- In-stream photo (16:9)1200 × 675 px
- Square post1080 × 1080 px
This tool runs entirely in your browser. Your files and text are never uploaded to our servers.
Your input is processed locally in the browser under normal use.
How to use
- Open Twitter Header Size and enter or paste your input.
- Adjust options to match your scenario.
- Copy the result and continue your work.
FAQ
How do I use Twitter Header Size?
Enter your input above, review the live result, then copy or reuse the output in your workflow.
Is Twitter Header Size safe for sensitive data?
Yes. Processing runs in your browser whenever possible, so content is not sent to a remote server in normal use.
Data & context
Image format & platform guide
Twitter Header Size processes raster images locally without server upload.
Format comparison
| Format | Best for | Notes |
|---|---|---|
| JPEG | Photos | Lossy, no transparency |
| PNG | UI, logos | Lossless, transparency |
| WebP | Web delivery | 25–35% smaller vs JPEG |
| GIF | Simple animation | 256 colors |
| SVG | Icons, logos | Vector, scalable |