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Best Fantomas Alternatives in 2026

Free#21 of 34 in Code Formatting Tools

The top Fantomas alternatives are dprint, Prettier and Spotless: 15 code formatting tools our editors would look at instead of Fantomas, in our ranking order.

7.2/10Editor score

Visit Fantomas

Fantomas7.2 Visit Fantomas

15 alternatives
Updated Oct 2026
Our Fantomas verdict

Fantomas: A focused open-source formatter for F# projects across .NET editors and CI workflows. Where it falls short: focused on f# rather than multi-language formatting.

Switching from Fantomas? For most code formatting tools buyers the best Fantomas alternative is dprint, built for teams formatting many languages.

Why People Look for a Fantomas Alternative

Focused on F# rather than multi-language formatting
Platform coverage is limited to web and self-hosted use
Editor support depends on the listed integrations

Quick Picks by What You Need

Best overalldprint9.4
Teams formatting many languages
Visit dprint
Best free optiondprint9.4
Has a free plan
Visit dprint

All 15 Fantomas Alternatives, Ranked

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

1
dprint
Best forTeams formatting many languages
- Better than Fantomas:
- Editor score 9.4 vs 7.2
A broad, editor-friendly formatter for multilingual repositories and changed-file workflows.
- Changed-lines formatting
- Ignore files
- Library API
Open source Our dprint verdict → Visit dprint
9.4/10★★★★★
Visit dprint
2
Prettier
Best forWeb development teams
- Better than Fantomas:
- Editor score 9.2 vs 7.2
A broad, open-source formatter for web-language teams across editors and workflows.
- Ignore files
- Library API
- Editor integration
Open source Our Prettier verdict → Visit Prettier
9.2/10★★★★★
Visit Prettier
3
Spotless
Best forJVM build-driven projects
- Better than Fantomas:
- Editor score 9.0 vs 7.2
A build-focused formatter for JVM projects that need broad language coverage and automation.
- Changed-lines formatting
- Ignore files
- Library API
Open source Our Spotless verdict → Visit Spotless
9.0/10★★★★☆
Visit Spotless
4
clang-format
Best forC and C++ projects
- Better than Fantomas:
- Editor score 8.9 vs 7.2
A flexible open-source formatter suited to C and C++ projects with broad workflow support.
- Changed-lines formatting
- Ignore files
- Library API
Free plan Our clang-format verdict → Visit clang-format
8.9/10★★★★☆
Visit clang-format
5
Biome
Best forWeb teams wanting lint and format
- Better than Fantomas:
- Editor score 8.8 vs 7.2
An open-source web toolchain combining formatting, linting, fixes, and editor support.

Free plan Our Biome verdict → Visit Biome
8.8/10★★★★☆
Visit Biome
6
Black
Best forPython formatting with stable conventions
- Better than Fantomas:
- Editor score 8.7 vs 7.2
A focused open-source formatter for consistent Python style and smaller diffs.
- Changed-lines formatting
- Ignore files
- Editor integration
Free plan Our Black verdict → Visit Black
8.7/10★★★★☆
Visit Black
7
Ruff
Best forPython teams needing lint plus format
- Better than Fantomas:
- Editor score 8.6 vs 7.2
A focused Python tool that combines formatting, linting, autofixes, and CI support.

Free plan Our Ruff verdict → Visit Ruff
8.6/10★★★★☆
Visit Ruff
8
Scalafmt
Best forScala projects using build tools
- Better than Fantomas:
- Editor score 8.5 vs 7.2
A configurable, open-source formatter for Scala code, scripts, and build files.
- Changed-lines formatting
- Ignore files
- Library API
Free plan Our Scalafmt verdict → Visit Scalafmt
8.5/10★★★★☆
Visit Scalafmt
9
CSharpier
Best forC# teams across major IDEs
- Better than Fantomas:
- Editor score 8.4 vs 7.2
Open-source C# and XML formatting with broad editor support and detailed configuration.
- Ignore files
- Library API
- Editor integration
Open source Our CSharpier verdict → Visit CSharpier
8.4/10★★★★☆
Visit CSharpier
10
PHP CS Fixer
Best forPHP standards enforcement
- Better than Fantomas:
- Editor score 8.3 vs 7.2
A configurable, open-source PHP formatter for local development and CI.
- Changed-lines formatting
- Ignore files
- Library API
Free plan Our PHP CS Fixer verdict → Visit PHP CS Fixer
8.3/10★★★★☆
Visit PHP CS Fixer
11
google-java-format
Best forJava teams following Google style
- Better than Fantomas:
- Editor score 8.2 vs 7.2
A focused open-source formatter for consistent Google-style Java code.
- Changed-lines formatting
- Library API
- Editor integration
Open source Our google-java-format verdict → Visit site
8.2/10★★★★☆
Visit site
12
shfmt
Best forShell scripting teams
- Better than Fantomas:
- Editor score 8.1 vs 7.2
A configurable open-source formatter for shell scripting teams and automated workflows.
- Ignore files
- Library API
- Editor integration
Open source Our shfmt verdict → Visit shfmt
8.1/10★★★★☆
Visit shfmt
13
rustfmt
Best forRust projects using Cargo
- Better than Fantomas:
- Editor score 8.0 vs 7.2
A focused Rust formatter with Cargo, CI, configuration, and editor support.
- Ignore files
- Library API
- Editor integration
Open source Our rustfmt verdict → Visit rustfmt
8.0/10★★★★☆
Visit rustfmt
14
js-beautify
Best forJavaScript and markup beautification
- Better than Fantomas:
- Editor score 7.9 vs 7.2
A flexible, free formatter with broad language coverage and editor integrations.
- Library API
- Editor integration
Free plan Our js-beautify verdict → Visit js-beautify
7.9/10★★★★☆
Visit js-beautify
15
goimports
Best forGo teams needing import cleanup
- Better than Fantomas:
- Editor score 7.8 vs 7.2
A focused Go formatter that cleans imports and supports editor save workflows.
- Ignore files
- Library API
- Editor integration
Open source Our goimports verdict → Visit goimports
7.8/10★★★★☆
Visit goimports

Fantomas Alternatives: Common Questions

What is the best alternative to Fantomas?

dprint: #1 in our Code Formatting Tools ranking, with an editor score of 9.4 out of 10. A broad, editor-friendly formatter for multilingual repositories and changed-file workflows.

Is there a free alternative to Fantomas?

Yes. dprint, Prettier, Spotless, clang-format and Biome have a free plan or a free tier (15 of the 15 alternatives on this page).

Why do people look for Fantomas alternatives?

Focused on F# rather than multi-language formatting; Platform coverage is limited to web and self-hosted use; Editor support depends on the listed integrations.

How do I switch from Fantomas?

Export your data from Fantomas (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Fantomas.

How to Switch from Fantomas

Export your data from Fantomas (most tools have an export in their settings).
Sign up for the alternative; start on its free plan or trial if it has one.
Import your export and set up the integrations your team relies on.
Run both side by side for a short while, then cancel Fantomas.

Fantomas vs Each Alternative

#	Tool	Paid from	Supported languages	Supported platforms	Editor integration	Ignore files	Score
21	Fantomas	Free	F#	web, self_hosted	Yes	Yes	7.2
1	dprint	Free	TypeScript, JavaScript, JSX, TSX, JSON, JSONC, Markdown, TOML, CSS, SCSS, Sass, Less, Dockerfile, C#, VB, Python, Jupyter, Go, Swift, HTML, Vue, Svelte, Astro, Angular, Jinja, Twig, Nunjucks, Vento, GraphQL, YAML, PHP, Quarto, Pandoc, R Markdown, LaTeX, BibTeX, R, Julia	Windows, macOS, Linux, WSL, Node.js, Deno	Yes	Yes	9.4
2	Prettier	Free	JavaScript, JSX, Angular, Vue, Flow, TypeScript, CSS, Less, SCSS, HTML, Ember/Handlebars, JSON, GraphQL, Markdown, GFM, MDX v1, YAML, LWC, MJML	Browser and JavaScript API	Yes	Yes	9.2
3	Spotless	Free	ANTLR, C, C#, C++, CSS, Flow, GraphQL, Groovy, HTML, Java, JavaScript, JSON, JSX, Kotlin, Less, Markdown, Objective-C, Protobuf, Python, Scala, SCSS, Shell, SQL, TypeScript, Vue, YAML, Gherkin, Go, RDF, Anything	Gradle, Maven, SBT, other build systems	Yes	Yes	9.0
4	clang-format	Free	C, C++, Java, JavaScript, JSON, Objective-C, Protocol Buffers, C#, TableGen, TextProto, Verilog	Windows, macOS, Linux	Yes	Yes	8.9
5	Biome	Free					8.8
6	Black	Free	Python	Windows, macOS, Linux, local HTTP API	Yes	Yes	8.7
7	Ruff	Free					8.6
8	Scalafmt	Free	Scala 2, Scala 3, sbt, Scala scripts	CLI, editors, build tools, standalone library	Yes	Yes	8.5
9	CSharpier	Free	C#, XML	Windows, macOS, Linux	Yes	Yes	8.4
10	PHP CS Fixer	Free	PHP		Yes	Yes	8.3
11	google-java-format	Free	Java	JVM command line; IntelliJ IDEA; Android Studio; Eclipse; Visual Studio Code	Yes		8.2
12	shfmt	Free	POSIX Shell, Bash, Zsh, mksh, and Bats	Linux, Windows, macOS	Yes	Yes	8.1
13	rustfmt	Free	Rust	Windows, macOS, Linux, API	Yes	Yes	8.0
14	js-beautify	Free	JavaScript, JSON, React.js, HTML, CSS, SCSS, SASS	Web browser, Node.js, Python	Yes		7.9
15	goimports	Free	Go	web, windows, macos, linux	Yes	Yes	7.8

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update