Localized image editing

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AI Mask Edit — Precision Region Editing for Product Images

Reviewed by Jianchao Ci, CEO & CTO

Paint a mask over the area you want to modify, describe the change in plain text, and the model applies the edit only within that region. Everything outside the mask stays locked — the product, the background, the surrounding detail.

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Use cases

  • Changing product surface colors or materials for variant photography
  • Swapping out background elements within a scene without regenerating
  • Adjusting label details or surface finishes on product packaging
  • Fixing specific areas of an AI-generated product image
  • Creating regional color or material variations for ecommerce SKUs
  • Editing props or surface textures in lifestyle product shots

How it works

  1. Select an image where most of the content is already correct
  2. Use the brush tool to paint a mask over the specific area you want to change
  3. Describe the edit in plain text — the model applies the change only within the masked region

FAQ

How do I edit one specific part of a product image without affecting the rest?

Editing one specific part of a product image without affecting the rest is exactly what KrafLayer's AI Mask Edit is for, since the tool applies a change only inside a painted region. Brush a mask over the area to modify, describe the desired result in plain text, and the model edits within that boundary while locking everything outside. For example, masking only a product label lets the model restyle the label while the bottle, surface, and background stay untouched. Mask Edit reads the surrounding pixels to match lighting and texture at the mask edge, so the change blends rather than patches. Additionally, describing the end state — 'matte white surface' — works better than describing a process. Sellers fix one detail at a time on Amazon and Shopify imagery with Mask Edit, avoiding a full regeneration of an otherwise finished product photo inside the KrafLayer workspace.

Can I use this to change a product color for a variant without regenerating?

Yes. Creating a color variant is a primary use of KrafLayer's AI Mask Edit, because the tool changes a masked surface while preserving the composition. Mask the product surface, describe the new color or material in the instruction, and the model recolors only that region. For example, a single navy handbag shot becomes a burgundy variant without re-photographing the bag or regenerating the full scene. The background, props, shadows, and product shape stay identical, so the variant set looks consistent across a listing. Matched lighting at the mask boundary keeps the new color believable rather than flat. Additionally, repeating the edit with different instructions builds a full color range from one base image. In practice, ecommerce teams generate SKU color variants for Amazon and Shopify from a single packshot instead of staging a shoot for every option.

What's the difference between Mask Edit and Erase?

Mask Edit and the Object Eraser both work inside a painted mask, but the two tools do opposite jobs. KrafLayer's AI Object Eraser removes content from the masked region and fills the gap using surrounding context. Mask Edit instead replaces content in the masked region from a text instruction, so the user describes what should appear there. For example, deleting a stray prop is an erase task, while turning a surface matte white is a Mask Edit task. Choose Erase to make something disappear and Mask Edit to change something into a described result. Both tools lock everything outside the mask, keeping the rest of the product photo intact. In practice, sellers chain the two — erase a distraction, then Mask Edit a color — to finish an Amazon or Shopify image without a full regeneration.

Does the edit blend naturally at the edge of the mask?

Yes. Natural blending at the mask edge is a core behavior of KrafLayer's AI Mask Edit, because the model reads surrounding image context to match lighting, texture, and color at the boundary. A localized edit fails when the changed region shows a visible seam, so the tool samples the area just outside the mask to align tone and surface detail. For example, recoloring part of a glossy product keeps the highlight gradient continuous across the mask line. Tight masks that follow the object edge blend most cleanly, since loose masks include unrelated surface that complicates the match. Additionally, describing the end state clearly helps the model resolve the boundary. In practice, sellers paint precise masks and write result-oriented instructions, producing edits on Amazon and Shopify imagery that read as native to the original photo rather than pasted in.

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