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Best Code Formatters 2026
Code formatters arrange source code to a consistent style. This list helps you compare tools by language support, licence, cost and the way you can run them.
The finder puts newer releases before older ones and uses figures the makers publish. Check the tool's supported platform and access method before you choose.
02
Ruff
WebWindowsMac+2 Record5.0 Visit
03
Black
Black suits Python developers and teams who want a shared formatting style with limited configuration.
WindowsMacLinux+1 Record4.9 Visit
04
rustfmt
Rust developers who want consistent formatting in files, Cargo projects, or editor workflows may find rustfmt useful.
WindowsMacLinux Record4.9 Visit
05
Spotless
Spotless suits development teams that want automated formatting checks or fixes inside build workflows.
WindowsMacLinux Record4.9 Visit
8
gofmt
WindowsMacLinux Free plan Record4.7 Visit gofmt suits Go developers who want a command-line formatter or editor and version-control integrations.
12
CSharpier
WindowsMacLinux+1 Free plan Record4.6 Visit CSharpier suits developers who want opinionated C# and XML formatting in projects, editors, builds, or CI pipelines.
14
PHP CS Fixer
LinuxSelf-hosted Free plan Record4.4 Visit PHP developers and teams can use PHP CS Fixer to apply or check coding-style rules in a self-hosted workflow.
Before you choose
Check the cost model
A free plan is available from tools on this list. Deno lists a free plan and a Pro plan priced at $20 a month.
If a tool offers a free trial, use its terms to check what remains available after the trial ends.
Read the licence
Open-source code is available from tools on this list, including CSharpier and google-java-format. Review the licence before using a formatter in a project.
Match your platform
Tools on this list run on Linux, macOS, Windows, or a self-hosted setup. Choose a platform that fits your development environment.
Check the connection method
A formatter may be available through an API or an extension. Confirm that the access method fits the editor, build process or service where you plan to use it.
Questions
Are code formatters free?
A free plan is available from tools on this list. Deno also lists a Pro plan at $20 a month.
Can I find open-source formatters here?
Yes. Open-source code is listed for tools such as CSharpier and google-java-format.
Do these tools support different operating systems?
The listed platform options include Linux, macOS, Windows and self-hosted setups.
Can I connect a formatter through an API?
API access is one of the platform options represented on this list. Check the individual listing for its access method.
Are extensions available?
Extensions are one of the platform options represented on this list. Check the individual listing for compatibility details.
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