Free online XML code editor with syntax highlighting, line numbers, and real-time live preview. Write, edit, format, and validate XML effortlessly in a distraction-free interface. 100% client-side with no data uploads — your work stays completely private.
100% browser-based — your data never leaves your device
The complete XML workspace — edit, format, minify, validate, and explore XML with interactive tree view, statistics, and syntax highlighting.
Write and edit XML with real-time syntax highlighting and a live formatted preview. Your work is automatically saved to local storage.
Type or paste your XML code into the main editor area with syntax highlighting.
Make changes to your XML with instant visual feedback and syntax error detection.
Copy the edited XML to your clipboard or download it as a file when you're done.
Drop a file here or click to browse
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XML Editor is a free online xml tool that the complete xml workspace — edit, format, minify, validate, and explore xml with interactive tree view, statistics, and syntax highlighting. It works entirely in your browser — no downloads, no installations, and no server uploads required. enterprise developers, data engineers, integration specialists use XML Editor when they need a fast, privacy-respecting way to process xml data without installing additional software. It supports capabilities such as syntax highlighting, live preview, error detection. Additional features include copy & download. Common use cases include editing xml configuration files before deployment to production servers, writing and testing xml data structures for api development, quickly fixing syntax errors in xml documents during development. All processing happens locally using modern browser APIs, which means your data never leaves your device. This makes XML Editor ideal for working with sensitive data, proprietary code, or any situation where privacy matters.
XML Editor Online — Edit, Validate & View XML is a free online xml tool that helps you the complete xml workspace — edit, format, minify, validate, and explore xml with interactive tree view, statistics, and syntax highlighting. Key capabilities include syntax highlighting, live preview, error detection. All processing is done locally in your browser — no data is uploaded, stored, or shared with any server. There are no sign-ups, no file size limits, and no hidden charges. It is commonly used to editing xml configuration files before deployment to production servers.
Type or paste your XML code into the main editor area with syntax highlighting.
Make changes to your XML with instant visual feedback and syntax error detection.
Copy the edited XML to your clipboard or download it as a file when you're done.
| Category | Details |
|---|---|
| Input Limits | Maximum file size: Browser memory bound (~2 GB) |
| Node count: Unlimited (browser heap limit) | |
| Supported Formats | XML 1.0, XML 1.1, DTD, XSD, XSLT |
| Browser Engine |
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All operations run entirely in your browser using built-in XML APIs. No server uploads, no data storage, and no third-party requests.
XML Editor is ideal when you need to editing xml configuration files before deployment to production servers without installing software or uploading data to a server. Since everything runs in your browser, there is no setup time and no risk of your data being stored on external servers. For one-off tasks and quick processing, XML Editor is faster than setting up a local development environment or using a command-line tool.
No. XML Editor processes everything entirely in your browser using JavaScript. Nothing you type, paste, or upload is ever transmitted to any server. Your data never leaves your device.
This is a lightweight online XML editor for quick edits, validation, and formatting. For complex XML development, consider a desktop IDE.
The editor validates XML syntax but does not validate against XSD or DTD schemas. Use the Validator tool for syntax checking.
Elements, attributes, values, and comments are color-coded for easy reading and editing.
See a formatted preview of your XML update in real-time as you type or edit.
Invalid XML is highlighted with clear error messages to help you fix issues quickly.
Easily copy your edited XML to the clipboard or download it as a .xml file.
XML Editor Online — Edit, Validate & View XML is useful in a variety of scenarios across different workflows:
Editing XML configuration files before deployment to production servers
Writing and testing XML data structures for API development
Quickly fixing syntax errors in XML documents during development
The live preview shows your formatted XML as you type, making it easy to spot structural issues before copying the final result.
Content is saved to your browser's local storage, so refreshing the page won't lose your edits. Clear local storage to start fresh.
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