
PaintTool SAI
Drawing software
Graphic design software
Clothing design software
Garment designer software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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¥5,500 JPY per 1 software license
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- Arts, entertainment, and recreation
- Media and communications
- Accommodation and food services
What is PaintTool SAI
PaintTool SAI is a Windows-based raster drawing and painting application focused on line art, coloring, and illustration workflows using pen tablets. It is commonly used by digital artists and illustrators who want a lightweight interface and responsive brush/ink tools. The product emphasizes stabilizers for smooth strokes, simple layer-based editing, and a compact feature set compared with broader creative suites.
Responsive inking and stabilizers
PaintTool SAI is widely used for clean line art due to its stroke stabilization and pen-focused input handling. It supports pressure-sensitive tablets for variable line weight and opacity. For users prioritizing inking and flat-color illustration, the workflow can be faster than heavier, multi-discipline creative applications.
Lightweight, focused interface
The application keeps the UI and toolset relatively compact, which reduces setup and navigation overhead for common illustration tasks. It starts quickly and typically runs well on modest Windows hardware. This focus can benefit artists who do not need 3D, video, or extensive photo-editing features.
Layer-based raster workflow
SAI provides standard raster layers and blending modes suitable for sketching, line art, and coloring. It supports common canvas operations (transform, selection, basic filters) needed for illustration production. The file workflow is oriented toward iterative drawing rather than complex multi-asset project management.
Windows-only desktop support
PaintTool SAI is primarily a Windows desktop application, which limits use on macOS, iPadOS, and Android tablet ecosystems. Teams that standardize on cross-platform creative tools may need alternatives for non-Windows users. This can also complicate collaboration when artists use mixed devices.
Limited advanced design features
Compared with broader graphic design and illustration platforms, SAI has a narrower feature set for typography, layout, vector editing, and non-destructive adjustment workflows. It is not designed as a full graphic design suite for print-ready composition or brand asset management. Users often pair it with other software for finishing, text, and export preparation.
Not garment-specific tooling
While it can be used to draw apparel concepts, it does not provide dedicated clothing/garment design functions such as pattern drafting, grading, marker making, or tech-pack automation. There is no native support for fabric simulation or production-oriented measurement libraries. Apparel teams typically need specialized CAD or PLM tools for downstream manufacturing steps.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Software License (PaintTool SAI Ver.1) | ¥5,500 JPY (one-time, include sales tax) | 31-day trial available; perpetual license for current major version (no time limit for Ver.1.x.x); includes minor upgrades within Ver.1.x.x; major upgrades may incur a separate fee (official note: SAI Ver.2 was announced as a free upgrade); license is delivered as a digital certificate by email; payment via credit card (VISA/MasterCard/JCB via AXES Payment) or PayPal; license is non-returnable; single-user license may be installed on any of the user's own PCs; using by multiple people or multiple users requires additional licenses. |