XML Formatter
Pretty-prints XML with adjustable indentation, making deep configuration files or API payloads easier to inspect. Users can format any valid XML by pasting it into the tool's interface, which then outputs a neatly structured version with customizable tab sizes for better readability. Ideal for developers, system administrators, and anyone working with complex XML data who needs to quickly...
- 02FreeFormatterfreeformatter.com
Pretty-prints XML with adjustable indentation, useful for inspecting deep configuration files or API payloads.
- 03IT Toolsit-tools.tech
Pretty-prints XML with configurable indentation and line breaks, and reports any well-formedness errors.
Side by side
XML Formatter options compared
| Tool | Best for | Strengths | Limitations |
|---|---|---|---|
| DevBolt devbolt.dev | Developers needing fast, private formatting |
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| FreeFormatter freeformatter.com | Quick XML pretty-printing |
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| IT Tools it-tools.tech | Developers who want validation alongside formatting |
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Buyer's guide
How to choose a xml formatter
When picking an XML formatter, first decide whether privacy matters — browser-based tools like DevBolt keep your data on your device, while server-based options may transmit your content. Then look for validation features if you need to catch structural errors early, and check if the tool lets you adjust indentation size to match your team's style guides.
Questions
XML Formatter FAQ
- Can I format large XML files without slowing down my browser?
- DevBolt processes everything in your browser, so very large files may use more memory, but most configuration files and API payloads format quickly without issues.
- Does the tool check for XML errors or just make it pretty?
- DevBolt validates your XML structure in real time, highlighting unclosed tags or mismatched elements, while IT Tools also reports well-formedness errors for correction before implementation.
- Can I customize how the output is indented?
- DevBolt offers indent options of 2 spaces, 4 spaces, or Tab, while IT Tools and FreeFormatter both provide adjustable spacing controls to match your readability preferences.
- Is my XML data sent to a server when I use these tools?
- DevBolt runs entirely in your browser, so your data never leaves your device. The other tools' server status isn't confirmed in the available material.
- Which tool should I use if I need to both format and compress XML?
- DevBolt includes a minify mode to compress XML for efficient data transfer, whereas the other tools focus on pretty-printing and validation.


