Alta vs ALTtext.org
| Alta | ALTtext.org | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Web, macOS, iOS |
| Free plan | Yes | Yes |
| Bulk processing | Yes | Yes |
| CMS plugins | No | — |
| Image formats | PNG, JPEG, WebP, GIF | JPEG, PNG |
| Publishing workflows | Yes | Yes |
| API access | — | Yes |
Both are listed in Best AI Alt Text Generators. On Samsung Mobile US Press, ALTtext.org scores higher on our published basis.