UUIDジェネレーター
カスタムフォーマッティングオプションで一意のUUID（v1、v4）を生成。
Web MCP対応AIエージェントはページスクレイピングなしでこのツールを直接呼び出し可能
v1 & v4最大100個一括ローカルのみ
UUID v4（ランダム）
ランダム数に基づいてランダム生成されたUUID。？一意の識別子を生成するために最も一般的に使用されます。
UUID v1（タイムベース）
タイムスタンプとMACアドレスを使用して生成されたタイムスタンプベースUUID。空間と時間で一意性を保証。
Your data stays yours
100% local
Everything runs in your browser
Zero uploads
Files are never sent to a server
No sign-up
Free to use, no account needed
UUID Generator FAQ
Answers to the most common questions about using this tool.
What can this tool do?
It gives you: Support UUID v1 and v4; Generate multiple UUIDs at once; Custom formatting options; One-click copy. All processing happens instantly and locally.
Is this tool free to use?
Yes — every ConvTop tool is 100% free, with no sign-up, no limits and no watermark.
Is my data safe with this tool?
Yes. Everything runs locally in your browser — your input never leaves your device, so sensitive data stays private.
Related Tools
Password Generator
Generate secure random passwords with custom length and character sets
Diff Checker
Compare text and JSON differences with inline and side-by-side view
Code to Image
Convert code snippets to beautiful images with syntax highlighting
Cron Generator
Generate and parse cron expressions with human-readable descriptions
JWT Decoder
Decode and verify JWT tokens easily
Binary Converter
Convert text to binary and vice versa
Regex Tester
Test regular expressions with real-time match highlighting
Hash Generator
Generate MD5, SHA1, SHA256, SHA384, SHA512 hashes from text