nekzuk Software

AI Paint Cleaner

Image editing & finishing

Fix the details,
all in one app.

A Windows image editor for touch-ups and finishing, with AI inpainting, AI correction, background removal, and tag generation. It also works for fine touch-ups after AutoMosaic.

$18 USDWindows 10 / 11
Try it freeBuy Now

Trial: no saving · no batch processing

v3.30 released Sep 2, 2026
Examples
Left: input image with a yellow carp streamer; right: the area filled in to match the surrounding scenery
Select an area. No prompt needed—it fills in to match the surroundings.Before → After
Left: input image; right: the selected clothing redrawn as a sailor uniform
Redraw clothing or accessories with a prompt.Before → After
Left: input image; right: output with AI auto color correction
Correct colors automatically with AI.Before → After
Left: input image; right: output with the background removed by AI
Remove the background with AI.Before → After
Core features run on your PCCode-signedGUI & CLIEnglish / Japanese / Chinese / Korean

01 Features

Fix, finish, and process in batches.

Tools for image editing and finishing, together in one app.

AI-assisted cleanup

Fix problem areas right where you see them.

  • AI inpaintingTwo kinds: lightweight inpainting that fills from the surroundings, and generative inpainting that redraws from a prompt (see below)
  • Diff replacementFor fixing fine details
  • Mosaic / blurAdjust or add mosaics after AutoMosaic
  • Editing toolsSAM2 auto masks, pen, eraser, fill, text / speech bubbles, asset insertion

Correct and convert

Improve color and quality, then export as needed.

  • AI correction & color adjustmentAutomatic AI correction and manual color adjustment
  • Image quality fixesDenoise, deblur, and fix artifacts and color fringing
  • AI upscaling & resizing
  • Background removal
  • Format conversion & PDF export

Sort, organize, and batch

Handle large numbers of images at once.

  • Browse, sort & bookmarkReview images in a folder one by one and sort them
  • Tags & captionsGenerate tags and natural-language captions, and bulk-edit tags
  • View / remove metadata
  • Batch processing & CLIProcess a whole folder at once. Background removal, AI correction, conversion, and tags / captions also run from the command line

Two kinds of inpainting, for different goals.

Choose between quickly filling a selected area and redrawing it from a prompt.

Lightweight inpainting

Fill in from the surroundings

How
Just select an area (no prompt needed)
Speed
A few seconds or less
Best for
Removing unwanted objects, text, and specks; repairing missing areasSome methods draw new content to match the surroundings
Runs on
Choose from 6 methodsMost methods work without a GPU

Generative inpainting

Redraw from a prompt

How
Describe the change in a prompt
Speed
About 10–60 secondsDepends on your GPU
Best for
Changing clothing or accessories, adding details
Runs on
Your PC (NVIDIA GPU required) or cloud AI (API key required)
Image formats
JPG / PNG / BMP / GIF / WebP / TIFF, plus PDF export
UI languages
English / Japanese / Chinese (Simplified & Traditional) / Korean
Where it runs
Core features run on your PCCloud AI features send images to the relevant service for processing
Updates
Get notified of new versions and update from within the app

Works together with AutoMosaic for automatic mosaic processing.

02 Correction examples

Restore images degraded by shooting or compression.

Before on the left, after on the right. Click an image to enlarge it.

Denoise: before and after
DenoiseSmooth out grain and noise.
Deblur: before and after
DeblurCorrect camera shake and motion blur.
Defocus correction: before and after
Defocus correctionSharpen soft focus.
Low-light enhancement: before and after
Low-light enhancementBrighten dark images for easier viewing.
JPEG artifact removal: before and after
JPEG artifact removalRemove block noise from compression.
Moiré removal: before and after
Moiré removalRemove stripe patterns, such as from photographing screens.
AI Paint Cleaner / Interface
AI Paint Cleaner English interface, light themeAI Paint Cleaner English interface, dark theme

Click to enlarge

03 How it works

Open, browse, and finish.

Step through the images in a folder and edit them as you go.

  1. 1

    Open an image

    Open a file or drag & drop it.

  2. 2

    Edit as you browse

    Switch through images in the folder and edit.

  3. 3

    Batch process as needed

    Apply changes to all images in the folder.

Feature overview videoWatch on YouTube

04 Requirements

Check your PC.

It runs without a GPU, but some AI processing will be limited.

OS
Windows 10 / 11 64bit
Memory
8 GB or more recommended
Application size
About 9 GB
GPU
NVIDIA GPU with CUDA support 8 GB or more VRAM recommended
Network
Core features run on your PCUsed for cloud AI features (API key required), update checks and downloads, and additional model downloads

05 Try & buy

Trial version

Try it on your own images.

AI Paint Cleaner / Windows

  • Editing features available
  • Images cannot be saved
  • Batch processing cannot be run
Download trial version

v3.30 · ZIP file

Usage notes
  • Processing time depends on your PC and GPU specifications.
  • Always review the processed images.
  • Cloud AI image editing requires an API key for each service and an internet connection.
Read the terms of use →

Buyer reviews

Read full reviews ↗

Highlights summarized from published user reviews.

More review highlights
  • Mosaic work takes less time than with previously used tools
  • The controls make it easier to produce natural-looking mosaic edges
  • AI-assisted pen correction and other editing tools are included without usage fees
  • Image conversion, upscaling, and metadata removal are available in one application

Updates

Latest version v3.30
Released Sep 2, 2026

Improved UI and enhanced AutoMosaic integration.

  • UI improvements
  • Enhanced AutoMosaic integration
  • User-requested improvements and bug fixes
Read the release notes ↗See upcoming updates ↗
Version history

Image preview