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Cybersecurity · head to head

Authelia vs Prettier

Authelia logo

Authelia

Cybersecurity

Open-source authentication and two-factor portal for reverse proxies

From
Free
Free plan
Yes
Full reviewWebsite
Prettier logo

Prettier

Developer Tools

Opinionated code formatter

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Authelia depends on a reverse proxy: it is not a standalone identity provider; Prettier inflexible style rules that cannot be customized significantly, forcing teams to accept opinionated defaults
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Authelia and Prettier actually diverge.

Attributes where Authelia and Prettier differ
AttributeAutheliaPrettier
Pricing modelOpen source, no licence feefree
PlatformsDocker, Kubernetes, Linux, Self-hostedCLI, Editor Plugins, Build Tools
CategoryCybersecurityDeveloper Tools
FoundedUnknown2016

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Authelia

  • Reverse proxy integration
  • Two-factor authentication
  • Access control rules
  • Lightweight backends

Only in Prettier

Nothing recorded that Authelia does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Authelia

  • Putting a login and 2FA in front of self-hosted services that have nonenot Prettier
  • Adding SSO across a small set of internal tools without a full identity platformnot Prettier
  • Home and small-team infrastructure behind a single reverse proxynot Prettier

Prettier

  • Automatically formatting TypeScript files to project style standardsnot Authelia
  • Enforcing consistent HTML indentation across component filesnot Authelia
  • Removing style-related comments from pull request reviewsnot Authelia
  • Formatting GraphQL queries with consistent indentationnot Authelia

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Authelia

  • Depends on a reverse proxy: it is not a standalone identity provider
  • Configuration is YAML-first with no administrative interface, so changes mean editing files
  • Not a full IAM: user management, provisioning and federation are limited compared with Keycloak
  • Scales poorly as an organisation-wide identity solution, which is not its target

Prettier

  • Inflexible style rules that cannot be customized significantly, forcing teams to accept opinionated defaults
  • Developers must format entire files rather than selective line ranges in some contexts
  • Limited language support compared to some alternatives, though it covers major languages

Pricing, plan by plan

Authelia

Free
  • AutheliaFree
    • Full functionality
    • No usage limits
    • Community support

Prettier

Free

No published plan breakdown. See the Prettier review.

Which should you pick?

Choose Authelia if

  • You need reverse proxy integration.
  • You want to start without paying.
  • You work on Docker, Kubernetes, Linux, Self-hosted.
  • You also want two-factor authentication.
Authelia review

Choose Prettier if

  • You want to start without paying.
  • You work on CLI, Editor Plugins, Build Tools.
Prettier review

Questions people ask

Is Authelia or Prettier better?
Neither clearly leads. Authelia starts at Free and Prettier at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Authelia or Prettier?
Authelia starts at Free and Prettier at Free.
Does Authelia or Prettier run on more platforms?
Authelia runs on Docker, Kubernetes, Linux, Self-hosted. Prettier runs on CLI, Editor Plugins, Build Tools.
Can I use Authelia for free?
Both have a free tier, so you can try either at no cost before committing.
What is Authelia best used for?
Authelia is most often used for putting a login and 2fa in front of self-hosted services that have none, adding sso across a small set of internal tools without a full identity platform, home and small-team infrastructure behind a single reverse proxy. Of those, putting a login and 2fa in front of self-hosted services that have none and adding sso across a small set of internal tools without a full identity platform are not what Prettier is typically brought in for.
What can Authelia do that Prettier cannot?
Authelia covers Reverse proxy integration, Two-factor authentication, Access control rules, Lightweight backends.

Answered from the vendors’ own pages

Authelia: Is Authelia free?

Yes, open source with no licence fee.

Prettier: Is Prettier free and open source?

Yes, Prettier is completely free and open source, available as an npm package with no licensing costs or subscriptions.

Source
Authelia: Does Authelia need a reverse proxy?

Yes. It integrates through forward authentication with Nginx, Traefik, Caddy or HAProxy rather than sitting in front of traffic itself.

Prettier: Can Prettier be integrated with ESLint?

Yes, Prettier integrates with ESLint by disabling ESLint formatting rules via eslint-config-prettier, allowing both tools to work together with Prettier handling formatting and ESLint handling code quality.

Source
Authelia: Authelia or Keycloak?

Authelia is far lighter and aimed at protecting self-hosted services behind a proxy. Keycloak is a full identity and access management platform, and much more to run.

Prettier: Does Prettier support configuration customization?

Prettier is intentionally opinionated with limited configuration options to enforce consistency. You can create a .prettierrc file for basic customization, but Prettier does not support extensive rule customization like ESLint.

Source
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