NovelAI: Using Negative Prompts and Undesired Content presets

NovelAI Try it →Watch full video →ぷろもでAI研究所【生成AI解説】 · Jan 2026

Demo summary

The video shows how to access the 'Undesired Content' field to add negative prompts and select presets to fix common AI artifacts like incorrect hand anatomy.

Step-by-step

Click the 'Undesired Content' button next to the prompt field
Enter specific terms in English that you want to exclude from the image
Select a preset from the 'Undesired Content' set to automatically filter common artifacts
Add custom terms like 'black uniform' to the field to refine the exclusion

Options

Use predefined presets for common issues like incorrect hand anatomy
Manually add custom negative prompt terms alongside presets

Watch out for

AI generation is like a 'gacha' system; desired results are not guaranteed every time

Tips

Use the presets to easily fix issues like the number of fingers without manual prompting
Add specific colors or clothing items to the negative prompt to prevent them from appearing in the output

Highlights

“It's a convenient era now; you can resolve most issues like the number of fingers just by selecting a preset.”

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