Markdown Editor

ヘルプ

Markdown Editor

URL: https://www.cp9.jp/markdown_editor/index.html

© 2026 Kusano Yuki All rights reserved.

【利用許諾契約書(EULA)】

本ソフトウェア(以下「本ソフトウェア」)は、以下の条件に基づき利用を許諾します。本ソフトウェアを使用することで、利用者は本契約書に同意したものとみなします。

■ 第1条(著作権)

本ソフトウェアの著作権は、著作者に帰属します。本ソフトウェアは著作権法その他の法律により保護されており、利用者は著作権者の権利を尊重しなければなりません。

■ 第2条(利用条件)

1. 本ソフトウェアは、個人・法人、また商用・非商用を問わず無償で利用できます。
2. 本ソフトウェアを使用して作成されたMarkdown文書やSVG画像については、利用者がすべての権利を有し、商用・非商用問わず自由に使用できるものとします。

【補足】法人の方が業務で利用される場合は、連絡用メールアドレスを添えて掲示板へご連絡いただけると助かります。(メールアドレスは表示されません)
連絡先:https://www.cp9.jp/markdown_editor/bbs/threads/1

■ 第3条(禁止事項)

次の行為を禁止します。
1. 本ソフトウェアの再配布(ただし、組織内での複製・配布は可能とします)
2. 本ソフトウェアのソースコードを利用して、別のソフトウェアを作成すること
3. 著作権表示および本利用許諾契約書を削除すること

■ 第4条(免責事項)

1. 本ソフトウェアは 「現状有姿(AS IS)」 で提供されます。
2. 本ソフトウェアの使用または使用不能により生じたいかなる損害についても、著作権者は一切の責任を負わないものとします。


【End User License Agreement (EULA)】

End User License Agreement (EULA)
This End User License Agreement (hereinafter referred to as this “Agreement”) governs the use of this software (hereinafter referred to as the “Software”).
By using the Software, you are deemed to have agreed to the terms of this Agreement.

Article 1 (Copyright)

The copyright of the Software belongs to the author.
The Software is protected by copyright laws and other applicable laws, and users must respect the rights of the copyright holder.

Article 2 (Terms of Use)

1. The Software may be used free of charge for both personal and commercial purposes.
2. Users retain all rights to the Markdown documents and SVG images created using the Software, and may use them freely for any purpose, whether commercial or non-commercial.

[Note] If you are a corporate user using the Software for business purposes, it would be highly appreciated if you could notify us on the bulletin board along with a contact email address. (Your email address will not be displayed to the public.)
Contact: https://www.cp9.jp/markdown_editor/bbs/threads/1

Article 3 (Prohibited Acts)

The following acts are prohibited:
1. Redistribution of the Software (However, copying and distributing within the same organization is permitted).
2. Creating other software using the source code of the Software.
3. Removing or altering copyright notices or this Agreement.

Article 4 (Disclaimer)

1. The Software is provided “AS IS”, without any warranty of any kind.
2. The author shall not be liable for any damages arising from the use or inability to use the Software.

© 2026 Kusano Yuki. All rights reserved.

使用ライブラリ / Third Party Licenses

CodeMirror 6

Copyright (C) 2018-2021 by Marijn Haverbeke <marijnh@gmail.com> and others

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
markdown-it

Copyright (c) 2014 Vitaly Puzrin, Alex Kocharin.

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
PrismJS

Copyright (c) 2012 Lea Verou

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
Mermaid

Copyright (c) 2014-2024 Knut Sveidqvist

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
DOMPurify

Copyright 2015 Mario Heiderich

Apache License 2.0

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
SVG.js & Plugins

Copyright (c) 2012-2021 Ulrich-Matthias Schäfer

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
html2canvas

Copyright (c) 2012 Niklas von Hertzen

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
jsPDF

Copyright (c) 2010-2021 James Hall, yWorks, and other contributors

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
docx

Copyright (c) 2017 Volkan Ozcelik and others

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Paper.js

Copyright (c) 2011, Juerg Lehni & Jonathan Puckey

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
KaTeX

Copyright (c) 2013-2023 Khan Academy and other contributors

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
markdown-it-texmath

Copyright (c) 2018 Stefan Goessner

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
opentype.js

Copyright (c) 2014 Frederik De Bleser

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
markdown-it-task-lists

Copyright (c) 2016 Revin Guillen

ISC License

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
markdown-it-emoji

Copyright (c) 2014-2015 Vitaly Puzrin, Alex Kocharin.

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

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