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
Format, beautify, and minify XML with customizable indentation and real-time syntax highlighting.
XML ValidatorValidate XML data and detect syntax errors with detailed error messages and line numbers.
XML Viewer + Tree ViewView, parse, and explore XML data with syntax highlighting and interactive collapsible tree view.
XML EditorThe complete XML workspace — edit, format, minify, validate, and explore XML with interactive tree view, statistics, and syntax highlighting.
XML Tag Value ExtractorExtract all values of a specific XML tag. Enter a tag name and get all matching values in a clean list for copy or download.
XML StudioA full XML workspace with Monaco editor, tree view, XPath testing, statistics, namespace explorer, XSD validation, and format conversion. All in your browser.
Write or paste XML, watch the live preview update as you type, and copy or download the finished document. The editor runs entirely in your browser, and your work is saved to local storage so a refresh will not lose it.
Configuration files are edited more often than they are written from scratch, and this editor is built for that middle ground — quick edits, quick checks, quick fixes, all without opening a heavyweight desktop application. If you are adjusting a configuration file before a production deployment, testing an XML data structure for API development, or patching a syntax error in a document mid-project, the flow is the same: paste it in, make the change, and trust the live preview to confirm the structure held together.
The live preview is the defining feature. As you type, the formatted result updates in real time, so a missing closing tag or a broken nesting becomes visible the moment you create it rather than at validation time. Syntax highlighting keeps elements, attributes, values, and comments visually distinct, and error detection flags invalid XML as it appears. When you are done, the current content is saved to your browser's local storage automatically, which is a small mercy when an edit session spans a break.
Configuration files are where sensitive values collect: endpoints, keys, connection details, and the settings that make a system run. Editing one in a remote web editor means the file — including every secret it contains — passes through a third party's infrastructure while you work. That is a risk no convenience justifies.
This XML Editor runs entirely in your browser. Your document is edited, previewed, and stored locally in your browser's local storage, never uploaded to a server. Configuration work, however sensitive, stays on your own machine from the moment you open the file to the moment you deploy it.
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.
Practical examples to help you get the most out of XML Editor:
Input: <root><item>Value</item></root> Edit: Add a second item Output: <root><item>Value</item><item>New Value</item></root> Live preview updates in real-time.
Input: <root><item>Value</root> Error detected: missing closing </item> Fix: Add </item> before </root>
The live preview highlights syntax issues in real-time. Watch for red highlights or error indicators while typing to catch mistakes immediately.
Local storage can be cleared by browser settings or incognito mode. Download important XML files or copy them to a safe location when done editing.
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.
Yes. Use the upload button or paste your XML content directly into the editor.
Your current XML content is saved to your browser's local storage so it persists across page refreshes.
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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JSON Validator
Validate JSON data and detect syntax errors with detailed error messages and line numbers.
JSON Compare
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JSON Path Tester
Test JSONPath expressions against JSON data and see matched results.
JSON Query Tool
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CSV to JSON Converter
Convert CSV data to JSON format with support for headers and custom delimiters.