You can upload any image resolution.
The output resolution is limited based on your plan:
- Small Images: up to 0.25 megapixels (e.g. 625 × 400)
- Medium Images: up to 1.5 megapixels (e.g. 1500 x 1000)
- HD Images: up to 4 megapixels (e.g. 2500 × 1600)
- 4K Images: up to 10 megapixels (e.g. 4000 × 2500)