Kiritasu

Image annotation tool for AI chats. Use arrows, frames, and mosaics to visually guide AI's attention.

Make AI conversations smoother Keep your desktop clean, always All processing happens locally

The Problem with Traditional Workflows

Tired of file management hassles and desktop clutter every time you share screenshots with AI?

Traditional Workflow

  • Take screenshot
  • Save file to desktop
  • Open image editor
  • Add arrows and frames
  • Save file again
  • Attach to chat
  • Delete unwanted files
  • Clean up desktop
⏱️ Time-consuming and inefficient

Kiritasu Workflow

  • Take screenshot
  • Add annotations in Kiritasu
  • Drag & drop instantly to chat
  • Done (Desktop stays clean)
⚡ Completed in seconds, efficient

Key Features

Powerful features that dramatically improve AI communication

Visual Annotations

Use arrows, frames, and text to visually guide AI's attention. Simplify complex explanations.

Crop & Mosaic

Trim unnecessary parts and protect sensitive information with mosaics. Security guaranteed.

No File Saving Required

Share edited content directly to chat with drag & drop. Desktop stays clean always.

Fully Local Processing

All data processing happens locally, never sent externally. Privacy-first.

Time Saver

Save over 90% of time compared to traditional workflows. Smooth AI conversations.

Intuitive UI

Simple and user-friendly interface. Easy to use even for first-timers.

Workflow Comparison

Experience how Kiritasu streamlines your work

Traditional Method

1
Take screenshot
2
Save file to desktop
3
Open image editor
4
Add annotations
5
Save again
6
Attach to chat
7
Delete file
8
Clean up desktop
⏱️ About 2-3 minutes

Kiritasu

1
Take screenshot
2
Add annotations in Kiritasu
3
Drag & drop to share
4
Done!
⚡ About 10-15 seconds

Download Now

Available for Mac and Windows. Try the free version first.

Mac

Kiritasu for macOS
Download from App Store

Get on App Store

Windows

Kiritasu for Windows
Download from Microsoft Store

Get on Microsoft Store

💎 About Pro Version

Try basic features with the free version. The Pro version (one-time purchase) offers advanced features and customization options.

Privacy & Security

Protecting your data is our top priority

Fully Local Processing

All image processing happens on your device.

No External Transmission

Image data is never sent to external servers.

Sensitive Information Protection

Safely hide sensitive information with mosaic feature.

Privacy-First

No collection or tracking of personal information.

Frequently Asked Questions

Answers to common questions about Kiritasu

Yes, Kiritasu offers a free version with basic annotation features. The Pro version (one-time purchase) provides advanced features and customization options.

Kiritasu is compatible with all AI chat tools that support images, including ChatGPT, Claude, Gemini, and Copilot. Any tool that allows drag & drop image sharing will work.

All image processing happens locally on your device. By default, no file saving is required, but you can save locally if needed. Image data is never transmitted to external servers.

Both versions offer the same core features but are optimized for their respective operating systems. Mac version is available on App Store, Windows version on Microsoft Store.

Kiritasu has its own built-in screenshot functionality. It supports full screen, window, and area selection captures with hotkey support. You can also drag & drop images captured with your OS's standard screenshot tools, providing flexible workflow options.

Kiritasu provides annotation tools essential for AI communication, including arrows, frames (rectangles, circles), text, mosaics, and cropping.