Axonix Tools

HTML/XML Formatter Online

The best free HTML formatter and beautifier. Perfectly indent XML and HTML markup instantly for better readability and debugging.

Minified / Messy Code

Beautified Output

Your formatted code will appear here...

HTML/XML Formatter

This HTML/XML Formatter handles the messy work so you don't have to. Everything runs in your browser — no installs, no accounts, no fine print. To get going: Copy your unformatted, minified, or messy HTML/XML from your source file.

No signup neededRuns offlineZero data collection

Blazing fast

No server round-trips. No loading bars. Just instant results.

Locked-down privacy

Your data stays in your browser. Period.

Zero friction

Open the page and go. No accounts, no upsells, no clutter.

Built for people who value their time

Content creatorsMarketing teamsDesignersDevelopers

The 30-second rundown

01

Drop it in

Paste text, upload a file, or enter your values.

02

Tweak if needed

Adjust a setting or two — most defaults just work.

03

Grab the result

Copy, download, or share. Done in seconds.

How This Works

Below is everything you need to get from zero to done. No fluff, just the steps and features that matter.

HTML/XML FormatterHTML/XML Formatter onlinefree html/xml formatterhtml/xml formatter tool
How to Use HTML/XML Formatter
  • 1Copy your unformatted, minified, or messy HTML/XML from your source file.
  • 2Paste the code into the left-hand editor panel labeled 'Messy Source'.
  • 3Click the 'Beautify Markup Now' button to run the structural analysis.
  • 4Review the cleaned, indented output in the right-hand panel.
  • 5Copy the formatted result back into your development environment.
Key Features
  • Smart Nesting Detection: Automatically calculates indentation levels for parent and child tags.
  • Standard Indentation: Applies a consistent 4-space tab rule for professional readability.
  • Multi-Format Support: Works perfectly for both modern HTML5 and strictly structured XML documents.
  • Instant Preview: Real-time beautification with a scrollable code terminal for large documents.
  • Security Focused: 100% browser-side processing; your sensitive markup never touches a server.

Making the Most of It

Good times to reach for this: Grab HTML/XML Formatter when a file needs a quick tweak — a conversion, resize, or cleanup — and you don't want to wait for some desktop monster to boot up.

Typical flow:

  1. Toss your content into the input — text, file, or whatever you're working with.
  2. Dial in the settings that match what you actually need.
  3. Glance over the output to confirm it looks right.
  4. Grab your result: copy, download, or send it along.

Easy traps to avoid:

  • Feeding in sloppy input and assuming the tool will magically sort out every edge case — always eyeball the output first.
  • Testing with toy data that looks nothing like your real workload, then getting caught off-guard in production.
  • Copy-pasting straight into a live project without a ten-second sanity check. That tiny pause saves hours of cleanup.

Your data stays yours: Your files never touch our servers for standard processing. They stay on your device from start to finish.

Questions That Usually Come Up

Dig Deeper

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