Frequently Asked Questions

htmltool.online is an online HTML tools collection website offering a variety of practical features such as code preview, formatting, conversion, color checking, and security checks, helping users quickly handle web-related tasks.

No. All functions are completed in the browser without downloading or installing additional software, you can use them directly by opening the webpage.

HTMLTool is compatible with major browsers, including Chrome, Firefox, Edge, and Safari, and supports both desktop and mobile access.

No. All operations are performed in the user's local browser. The website does not collect, store, or share user code and files, ensuring privacy and security.

Yes, most features of the website are free to use, and you can experience them directly without registering an account.

Currently, the website relies on online access and does not support offline mode, but in the future, PWA (Progressive Web App) support may be introduced for offline use.

Absolutely. The website provides visual tools, live previews, and formatting features to help beginners understand the relationship between HTML code and webpage effects more quickly.

No. Users can access all public features without registering or logging in; registration may be used in the future to save personal preferences.

Yes. Users can export processed code, images, or color schemes for direct use in projects.

The website offers various practical tools such as HTML live preview, formatting, compression, image conversion, color reference, character escaping, and security checks to help users efficiently handle web-related tasks.

The main focus is on HTML, but some tools are also compatible with CSS and JavaScript, such as preview, compression, and formatting features.

Most tools run locally in the browser without requiring file uploads, so there is virtually no size limit.

Yes. The website will continually add new HTML tools and optimize existing features to meet more user needs.

Yes. HTMLTool is optimized for mobile devices, allowing users to use it normally on smartphones and tablets.

Users can submit questions and suggestions through the contact or feedback channels provided on the website. Please refer to the About Us page for details to help us improve our services.

The website is currently completely free. Even if premium features are introduced in the future, most free tools will remain available to ensure users can always access core functionality.