Developer tool
XML Formatter
Indent and prettify XML markup.
XML Formatter workspace
Workspace
XML Formatter
The guide
By the utils.sbs team · Reviewed November 2026 · How we build and review tools
Quick answer
XML Formatter is a free browser-based developer tool. Indent and prettify XML markup. It runs with JavaScript locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.
What is XML Formatter?
XML Formatter is a free browser-based developer tool from utils.sbs. Indent and prettify XML markup. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.
At a glance
| Category | Developer |
|---|---|
| Input | Plain text, code, markup or JSON |
| Output | A downloadable text or code file |
| Engine | JavaScript |
| Processing | In your browser |
| Price | Free |
| Account | Not required |
How XML Formatter works
Text is processed in the browser with JavaScript and downloaded from a local blob. Nothing is uploaded.
How to use XML Formatter
- 1Open XML Formatter and add your input.
- 2Use the default settings, or choose the format or detail level that matches your goal.
- 3Run the tool, check the preview or result, and download the output.
When to use XML Formatter
- Clean, transform or compare text before using it elsewhere.
- Convert markup, JSON or structured text between formats.
- Count, format or inspect content quickly in the browser.
Limitations
Very large inputs may be limited by the browser's available memory.
Privacy and accuracy
XML Formatter processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.
FAQ
XML Formatter questions
What can I do with XML Formatter?
Indent and prettify XML markup. XML Formatter is part of the Developer shelf on utils.sbs and is designed for quick, one-off tasks.
Is XML Formatter free to use?
Yes. XML Formatter is free, requires no account, and has no per-file or per-use charge.
Are my files uploaded when I use XML Formatter?
No. XML Formatter is designed to process your input locally in the browser. Files are not uploaded to a server for processing.
What formats does XML Formatter support?
It works with plain text, code, markup and structured text, and returns a downloadable text file.
Can I use XML Formatter on my phone?
Yes. XML Formatter is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.
Keep going
Related developer tools
- JSON FormatterPrettify JSON with configurable indentation.
- JSON MinifierStrip whitespace from JSON for production.
- JSON ValidatorCheck JSON syntax and locate the first error.
- JSON to TypeScriptGenerate TypeScript interfaces from sample JSON.
- JSON Key SorterRecursively sort object keys alphabetically.
- JavaScript MinifierLightweight whitespace and comment stripping for JS.