Text UtilitiesText FormattersFree Tool
Rust Formatter
Apply basic bracket-based indentation to Rust code — not a real parser like rustfmt, so complex code may not indent perfectly.
How to Use Rust Formatter
- 1Paste your Rust code
- 2Click Convert
- 3Copy the re-indented output — use `cargo fmt` for real Rust projects
Frequently Asked Questions
It counts opening ({, [, () and closing (}, ], )) brackets per line and adjusts indentation depth accordingly — a simple heuristic, not Rust's real parser.
No — lifetime annotations and macro_rules! syntax aren't specially handled; only curly/square/round brackets affect indentation.
`rustfmt` (or `cargo fmt`) — the official Rust formatter, bundled with the standard toolchain.
No — the indentation pass runs entirely in your browser.
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