HTML Entity Encoder
Convert reserved characters such as ampersands, angle brackets, and quotation marks into HTML entities. This is useful when displaying markup as text or preparing content for an HTML context.
Local Processing
Your tool input is processed locally in your browser and is not sent to DevToolsLabs servers.
How to use this tool
- Paste the text or markup you want to encode.
- Choose the available encoding option when needed.
- Run the encoder and inspect the converted entity output.
- Copy the encoded value into the intended HTML context.
Example Usage
<button title="Save & close">
<button title="Save & close">
When to use this tool
- Displaying HTML source code as visible text.
- Escaping reserved characters in documentation examples.
- Preparing text for insertion into an HTML text context.
Frequently Asked Questions
Does entity encoding make all HTML safe?
No. Correct escaping depends on context. Attribute, URL, CSS, and JavaScript contexts can require different security controls.
Is the input sent to a server?
No. Encoding runs locally in your browser.
Built by Developers, For Developers
DevToolsLabs is maintained as an open-source collection of focused developer utilities. Most transformations run locally in your browser; tools that require a network service disclose the destination beside the tool. Each utility is built around a concrete development workflow and can be reviewed in the public source repository.