Resize image for X (Twitter) Post (1600×900)
X displays single in-feed images at a 16:9 ratio by default. Uploading at 1600×900 keeps your image at full-bleed in the timeline without any awkward crop boxes.
Your files never leave your device. No upload. No sign-up.
Drop an image to resize to 1600×900
JPG or PNG
X Post tip: match the 16:9 in-feed crop exactly
X auto-crops other ratios to 16:9 in the timeline preview; users have to tap to see the full image. Resize first to guarantee your composition stays intact.
Twitter / X Post size FAQ
- Will my image look the same on mobile and desktop?
- Yes. 16:9 is the in-feed standard across both platforms — no surprise crops.
- Is there a higher resolution I should use?
- X re-encodes images server-side at around 4096px on the long edge. 1600×900 is the sweet spot for clarity without bloating file size.
- What's the file-size limit?
- X accepts images up to 5 MB. A 1600×900 JPG is typically 200–500 KB.