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Last updated: April 2026

DISCLAIMER: Use of this geodetic conversion service is entirely at your own risk. This tool is provided "as is" without warranty of any kind.

1. Service Scope

座標変換ツール provides automated geographic coordinate conversion, datum shifts, and spatial reference tools exclusively for informational, educational, and high-level workflow support purposes.

2. Free Access & API Usage

All web interface tools are provided free of charge without paywalls. If utilizing any batch endpoints, you agree to fair use limits to ensure stability for all global users.

3. Accuracy & Professional Liability

Conversion outputs inherently vary depending on the mathematical geodetic model applied (e.g., WGS84 vs NAD83 standard vs NAD83 HARN).
The outputs of this platform do not substitute for certified land boundary surveys conducted by a licensed Professional Land Surveyor (PLS).
You are strictly responsible for independent verification of coordinates before relying on them for legal boundaries, aviation, maritime navigation, or life-safety operations.

4. Acceptable Use

You agree not to reverse engineer the computational algorithms, deploy malicious automated scraping bots against the platform, or attempt to disrupt the core spatial routing services.