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ERB Lint

Free#17 of 21 in Ruby Static Analysis Tools

ERB Lint: A free, self-hosted command-line linter focused on ERB and HTML templates. Ranked #17 of 21 in Ruby Static Analysis Tools by our editors (6.9/10); pricing: Free plan; best for teams linting ERB templates and embedded Ruby.

6.9/10Editor score
Visit ERB Lint
ERB Lint6.9 Visit ERB Lint

At a glance

  • Editor score
    6.9 / 10
  • Pricing
    Free plan
  • Best for
    Teams linting ERB templates and embedded Ruby
  • Free plan
    Yes
  • Paid from
    Free
  • Security analysis
    Yes
  • Facts checked
    26 Sep 2026

  • Where it wins

    • Checks template syntax, formatting, HTML conventions and accessibility-related attributes.
    • Runs RuboCop rules on Ruby statements and checks JavaScript interpolation safety.
    • Supports custom linters, per-rule configuration and autocorrection for supported rules.

  • Where it doesn't

    • Focuses on ERB and HTML templates rather than whole Ruby applications.
    • Requires a local gem installation and command-line workflow.
    • Support is documented through docs; no hosted-service option is described.

Our verdict on ERB Lint

ERB Lint is an open-source Ruby command-line tool for checking ERB and HTML templates. It is aimed at teams that want template-specific linting alongside their Ruby development workflow, including checks on Ruby statements embedded in ERB. Its built-in linters cover syntax, formatting, HTML conventions, accessibility-related attributes and script usage, giving template code its own review layer rather than treating it as ordinary Ruby files.

The feature depth is concentrated in templates: ERB Lint can run RuboCop rules against embedded Ruby, and its ErbSafety linter checks potentially unsafe Ruby interpolation in JavaScript contexts. Teams can enable, disable and configure individual linters, set file globs and exclusions, and use inline comments to disable rules where needed. Custom linter support provides a route for projects to add checks suited to their conventions. Autocorrection is available for supported rules, so the tool can apply some fixes rather than only report findings.

ERB Lint is free and self-hosted as a locally installed gem, with documentation as its stated support channel; the published plans do not describe a hosted service. That makes it a focused option for projects with ERB templates that are comfortable running command-line tools and maintaining configuration. It is less suitable as a stand-alone answer for teams seeking analysis across an entire Ruby application or a hosted service. Teams primarily concerned with template consistency and embedded-Ruby checks should consider it; those needing broader application-wide analysis should choose a tool with that scope.

Your product? Our editors can test ERB Lint in depth and publish a review, labelled as paid · from $149/mo →

ERB Lint pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on github.com

ERB Lint fact sheet

Free planYes
Paid fromFree
Security analysisYes
Type checkingNot verified
Automated fixesYes
Custom rulesYes
Hosted optionNot verified
Self-hosted optionYes
DeploymentSelf-hosted
SupportDocs
Built forSolo, Small business, Mid-market, Enterprise (editorial estimate)
PricingFree plan
Websitegithub.com
Facts checked26 Sep 2026

Alternatives to ERB Lint

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Featured on iTechGuides

Featured on iTechGuides — ERB Lint 6.9/10

ERB Lint is listed in our Ruby Static Analysis Tools directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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