browserutils

Java Formatter

Beautify and format Java code

Java Formatter is a free online tool from BrowserUtils that beautify and format java code. It runs entirely in your browser — your data never leaves your device. No account required.

How to use Java Formatter

  1. 1 Paste or type your input into the editor above.
  2. 2 The tool processes your data instantly — right in your browser, with nothing sent to a server.
  3. 3 Copy the result with one click or continue editing your input.

About Java Formatter

Free online Java formatter and beautifier. Format messy or minified Java code with proper indentation, brace style, and structure. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.

Java Formatter specs

Runtime
100% client-side (browser)
Cost
Free — no account, no rate limits, no usage caps
Browser support
Chrome 90+, Firefox 88+, Safari 14+, Edge 90+
Part of
299 developer tools on BrowserUtils (100% client-side)

Questions

What brace styles are supported?
Choose between same-line braces (K&R style, default for Java) or new-line braces (Allman style). The formatter also supports configurable indentation of 2 or 4 spaces.
Does it handle annotations and generics?
Yes, the formatter preserves Java annotations, generics, and other Java-specific syntax while applying consistent indentation and spacing.
Can I format Java record classes and sealed types?
Yes, the formatter handles modern Java features including records, sealed classes, text blocks, and pattern matching syntax introduced in recent Java versions.
Does the Java formatter work offline?
Yes, all formatting happens in your browser using client-side JavaScript. Once the page loads, you can disconnect and continue formatting Java code.
Embed this tool

Copy this code to embed the tool on your website. Adjust the height to fit your layout.

<iframe src="https://www.browserutils.dev/embed/java-formatter" width="100%" height="500" frameborder="0" title="Java Formatter"></iframe>

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