Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Head-to-head · Code Formatting Tools

Prettier vs Ruff

  • Updated Sep 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Prettier #2 in Code Formatting Tools 8.2/10 Open source ✓ 3 of 4 features Visit Prettier
Ruff #7 in Code Formatting Tools 6.8/10 Free plan Free plan✓ 0 of 4 features Visit Ruff

Prettier leads on 3 checks, Ruff on 1, and 0 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePrettier · 8.2/10
  • Free planonly Ruff
  • Most featuresPrettier · 3 of 4

Prettier scores higher on our rubric for code formatting tools: 8.2 against 6.8 out of 10; our editors rank them #2 and #7.

Ruff offers free plan; Prettier doesn't publish it. Prettier offers editor integration; Ruff doesn't publish it. Prettier offers ignore files; Ruff doesn't publish it. Prettier offers library api; Ruff doesn't publish it.

Prettier is the better fit for web development teams. Ruff is the better fit for python teams needing lint plus format.

  • Prettier fits best

    Web development teams

  • Ruff fits best

    Python teams needing lint plus format

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Prettier 8.2/10 Visit ↗ Ruff 6.8/10 Visit ↗
At a glance
Editor score 8.2 6.8
Ranking #2 in Code Formatting Tools #7 in Code Formatting Tools
Best for Web development teams Python teams needing lint plus format
Pricing model Free Free
Starting price Not published Not published
Free plan Not published ✓ (best)
Free trial — —
Deployment Self-hosted Self-hosted
Platforms Web Web, Windows, macOS, Linux
Support Docs Docs
Integrations 7 integrations 10 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Prettier 3/4 · Ruff 0/4
Editor integration ✓ (best) Not published
Ignore files ✓ (best) Not published
Changed-lines formatting Not published Not published
Library API ✓ (best) Not published
Specs
Supported languages JavaScript, JSX, Angular, Vue, Flow, TypeScript, CSS, Less, SCSS, HTML, Ember/Handlebars, JSON, GraphQL, Markdown, GFM, MDX v1, YAML, LWC, MJML Not published
Supported platforms Browser and JavaScript API Not published
License model Open_source Not published
Our review
Pros
  • Covers JavaScript, TypeScript, CSS, HTML, JSON, GraphQL, Markdown, and YAML
  • Works across major editors, command line, CI, pre-commit hooks, and JavaScript APIs
  • Supports ignore rules, formatting checks, and plugins for additional languages
  • More than 900 built-in lint rules with automatic fixes
  • Built-in formatting for Python files and Jupyter Notebooks
  • Integrates with major editors, CI systems, pre-commit, and Docker
Cons
  • Self-hosted deployment requires teams to manage how it runs
  • Support is provided through documentation
  • Does not include AI features
  • Supports one programming language: Python
  • Custom lint rules and third-party plugins are not supported
  • No AI features for teams seeking AI-assisted development
Our verdict

Prettier is an open-source code formatter for teams that want a consistent style across web-language source files. It parses and reprints supported files, including JavaScript, JSX, Angular, Vue, Flow, TypeScript, CSS, Less, SCSS, HTML,…

Read the review →

Ruff is an open-source Python linter and code formatter from Astral. It is designed for developers and teams that want lint checks, supported automatic fixes, formatting, and editor or CI integration in one focused tool. The ruff check…

Read the review →
  1. PrettierCode Formatting Tools 8.2Open source
  2. RuffCode Formatting Tools 6.8Free plan

Strengths and trade-offs

  • Prettier — where it wins

    • Covers JavaScript, TypeScript, CSS, HTML, JSON, GraphQL, Markdown, and YAML
    • Works across major editors, command line, CI, pre-commit hooks, and JavaScript APIs
    • Supports ignore rules, formatting checks, and plugins for additional languages

    Where it doesn't

    • Self-hosted deployment requires teams to manage how it runs
    • Support is provided through documentation
    • Does not include AI features

  • Ruff — where it wins

    • More than 900 built-in lint rules with automatic fixes
    • Built-in formatting for Python files and Jupyter Notebooks
    • Integrates with major editors, CI systems, pre-commit, and Docker

    Where it doesn't

    • Supports one programming language: Python
    • Custom lint rules and third-party plugins are not supported
    • No AI features for teams seeking AI-assisted development

More comparisons

All code formatting tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update