Julia Code Formatter

Julia Code Formatter

Paste any Julia (.jl) source and get instantly reformatted output following the conventions used by the wider Julia scientific-computing community. The tool runs entirely in your browser — no Julia runtime, no server round-trip — so even confidential research or proprietary code can be cleaned up safely.

The formatter mirrors the default style of JuliaFormatter.jl: four-space indentation, consistent spacing around binary operators, tight type annotations such as x::Int und T <: Real, preserved juxtaposition multiplication like 2π, and a configurable soft line-length warning at 92 characters.

Nutzung

1. Paste your Julia code into the Julia Code textarea, or click Probieren Sie ein Beispiel aus to load a sample module.
2. Wählen Sie ein Einrückungsstil — four spaces is the JuliaFormatter default, two spaces and tabs are also available.
3. Passen Sie die Zeilenlänge slider if your team uses a width other than 92 characters. Long lines are reported but never broken automatically, so the result stays syntactically equivalent.
4. Umschalten spacing around binary operators, tight type-annotation spacing, preserve commentsund collapse multiple blank lines to taste.
5. Klicken Sie auf Format. Copy the result with the clipboard button or download it as a .jl Datei.

Funktionen

• JuliaFormatter default style – four-space indentation, blank-line conventions, and consistent operator spacing out of the box.
• Block-aware indentation – correctly handles function, if/elseif/else, for, while, try/catch/finally, let, begin, do, module, struct, quote, macround abstract type/primitive type declarations.
• Unicode-aware tokenizer – recognises Greek-letter and other Unicode identifiers such as π, α, θund Δ.
• Juxtaposition multiplication preserved – numeric coefficients written as 2π oder 0.5x stay tight, while explicit 2 * π stays spaced.
• Tight type annotations – x::Int, T <: Realund Vector{<:Shape} remain compact.
• Comments and strings respected – line comments (#), nestable block comments (#=…=#), triple-quoted strings, prefixed strings (r"…", raw"…"), char literals, and string interpolation are left intact.
• Soft line-length report – exceeding lines are counted so you can refactor manually without the formatter breaking semantics.
• Einfacher Kopieren und Herunterladen as formatted.jl.
• 100% clientseitig – nothing leaves your browser.