Free HTML Entity Encoder & Decoder
HTMLエンティティを即座にエンコード/デコードします。
Frequently Asked Questions
Is the HTMLエンコーダー/デコーダー free to use?
Yes, the HTMLエンコーダー/デコーダー on Allio Tools is completely free with no sign-up or registration required. It works directly in your browser.
How does the HTMLエンコーダー/デコーダー work?
HTMLエンティティを即座にエンコード/デコードします。 No data is sent to a server — everything runs locally in your browser for maximum privacy and speed.
Do I need to install anything to use the HTMLエンコーダー/デコーダー?
No installation needed. The HTMLエンコーダー/デコーダー runs entirely in your web browser on any device — desktop, tablet, or mobile.
Is my data safe when using the HTMLエンコーダー/デコーダー?
Completely safe. The HTMLエンコーダー/デコーダー processes everything locally in your browser. No input data, results, or usage information is ever transmitted to or stored on any server.
Does the HTMLエンコーダー/デコーダー work offline?
After the page loads for the first time, the HTMLエンコーダー/デコーダー works without an internet connection for all client-side processing. Tools that fetch live external data (such as DNS or WHOIS lookups) require an active connection.
Can I use the HTMLエンコーダー/デコーダー output in commercial projects?
Yes. The HTMLエンコーダー/デコーダー is a utility tool and its output carries no licensing restrictions. You are free to use results in any project, commercial or personal.