Paint Tool SAI 2 Wiki

Welcome to the comprehensive documentation for Paint Tool SAI 2. This wiki is based on the latest technical preview data (2024-11-23) and includes critical updates for both Version 1 and Version 2 users.

Important

Critical Bug Fix: If you are using SAI Ver.1.2.5 or earlier, please update to Ver.1.2.6-Beta.3 to prevent rare cases of data loss during saving.

Quick Navigation

Download & Setup

• Paint Tool SAI 2 Free Download 🆓 Get Full Version Paint Tool SAI
  • Interface: User-Centric Design Brilliance
  • Usability: Seamless Navigation and Features
  • Functionality: Comprehensive Artistic Tools
  • Support: Community and Assistance
  • Conclusion: A Digital Artist’s Ally
• Paint Tool SAI 2 Technical Preview
  • Current Version Information
  • Download Links
  • Installation Requirements
  • What’s New in Technical Preview
  • Installation Steps
  • License Activation
  • Troubleshooting
  • See Also
• SAI Ver.1 Critical Bug Fix
  • Overview
  • Affected Versions
  • What Is the Bug?
  • How to Update
  • Verification
  • Prevention Tips
  • Related Information
• Installation Guide (No Installer)
  • Before You Begin
  • Step-by-Step Installation
  • Folder Structure
  • Configuration Files
  • Updating SAI 2
  • Troubleshooting
  • Uninstallation
  • See Also
• License Activation & Transfer
  • Understanding SAI Licensing
  • License Types
  • First-Time Activation
  • Transferring Your License
  • Using Ver.1 License for Ver.2
  • Troubleshooting License Issues
  • Frequently Asked Questions
  • See Also

Technical Specifications

• System Requirements
  • Quick Reference
  • Operating System
  • Processor (CPU)
  • Memory (RAM)
  • Storage
  • Graphics
  • Input Devices
  • Performance Optimization
  • Compatibility Notes
  • See Also
• 32-bit vs 64-bit Canvas Limits
  • Quick Comparison
  • Understanding Canvas Limits
  • Memory Requirements by Canvas Size
  • Choosing the Right Version
  • Workflow Recommendations
  • Working with Large Canvases
  • Performance Considerations
  • Practical Limits
  • Migration Between Versions
  • See Also
• Bristle Bitmap Corrector
  • Background
  • Symptoms of Invalid Textures
  • Identifying Problem Files
  • Using the Bristle Bitmap Corrector
  • Manual Correction Methods
  • Creating Compatible Brush Textures
  • Common Issues and Solutions
  • Prevention
  • See Also

Feature Abstract

• Canvas and File Formats
  • Canvas Setup
  • Native SAI Format (.sai / .sai2)
  • Adobe Photoshop Format (.psd)
  • Image Formats
  • Export Settings
  • Working with Multiple Formats
  • Troubleshooting
  • See Also
• Layer Types and Properties
  • Layer Types Overview
  • Normal Layer
  • Linework Layer
  • Text Layer (Ver.2)
  • Shape Layer (Ver.2)
  • Blending Modes
  • See Also
• Perspective Rulers Guide
  • Creating Perspective Rulers
  • Using the Ruler
  • Tips
  • See Also
• Linework Tools
  • Creating Linework Layers
  • Linework Tools
  • Stroke Properties
  • Editing Tips
  • Converting to Raster
  • See Also

Core Technical Insights

Paint Tool SAI 2 is a significant evolution over the original version, offering professional-grade features while maintaining its lightweight performance.

• Advanced Canvas Limits: - 64-bit version: Supports up to 100,000 x 100,000px. - 32-bit version: Supports up to 10,000 x 10,000px.

• License Portability: Users with a SAI Ver.1 license can unlock save/load features in Ver.2 for free.

• New Layer Types: Native support for Text, Shape, and Linework layers with path editing.

• Perspective Rulers: Support for 1 to 3 vanishing points created as dedicated layer objects.

Essential User Guides

• Installation Guide (No Installer) - SAI 2 does not use a traditional installer. Learn how to extract and run sai2.exe directly.

• License Activation & Transfer - Step-by-step guide to downloading a new license certificate using your Ver.2 System ID.

• Bristle Bitmap Corrector - How to fix invalid brush textures that were rejected after the February 2024 update.

• Perspective Rulers Guide - Using the new PerspectiveRuler and PerspectiveGrid tools.

System Requirements

Ensure your PC meets these minimum specifications for a 2000px canvas:

• OS: Windows XP/Vista/7/8/8.1/10/11.

• CPU: Core 2 Duo 1.6GHz or better.

• RAM: Minimum 1GB (4GB+ recommended for 64-bit).

• Storage: 20GB+ free space for scratch disks.

• Input: Pen Tablet with WinTab or TabletPC API support.

History & Updates

Stay informed about the latest changes: * 2024-11-23: Latest Technical Preview for Ver. 2. * 2025-01-27: Critical Bug Fix for Ver. 1 (1.2.6-Beta.3). * 2024-02-22: New Bristle Loader security changes (requires Corrector tool for old brushes).