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Cybersecurity · head to head

Keygen vs Prettier

Keygen logo

Keygen

Cybersecurity

Open, source-available software licensing API

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: Keygen specific Active Licensed User (ALU) pricing not listed; requires interactive pricing calculator; 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 Keygen and Prettier actually diverge.

Attributes where Keygen and Prettier differ
AttributeKeygenPrettier
Pricing modelusage-basedfree
PlatformsWebCLI, Editor Plugins, Build Tools
CategoryCybersecurityDeveloper Tools
FoundedUnknown2016

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

What people use each for

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

Keygen

  • Software licensing and distributionnot Prettier
  • Product release managementnot Prettier
  • API-based license verificationnot Prettier

Prettier

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

Where each one falls short

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

Keygen

  • Specific Active Licensed User (ALU) pricing not listed; requires interactive pricing calculator
  • Whitelabel API add-on costs $995/year per domain

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

Keygen

Free
  • DevFree
    • Up to 100 Active Licensed Users
    • 10 product releases
    • Core licensing API only
  • Std$null/month
    • Scaling with licensing volume
    • Distribution API (OCI/Docker, npm, Rubygems, PyPI, Tauri)
    • Flat monthly/yearly fees
  • Enterprise$null/month
    • Audit logs
    • SAML/SSO
    • IP filtering

Prettier

Free

No published plan breakdown. See the Prettier review.

Which should you pick?

Choose Keygen if

  • You want to start without paying.
Keygen review

Choose Prettier if

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

Questions people ask

Is Keygen or Prettier better?
Neither clearly leads. Keygen 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, Keygen or Prettier?
Keygen starts at Free and Prettier at Free.
Does Keygen or Prettier run on more platforms?
Keygen runs on Web. Prettier runs on CLI, Editor Plugins, Build Tools.
Can I use Keygen for free?
Both have a free tier, so you can try either at no cost before committing.
What is Keygen best used for?
Keygen is most often used for software licensing and distribution, product release management, api-based license verification. Of those, software licensing and distribution and product release management are not what Prettier is typically brought in for.

Answered from the vendors’ own pages

Keygen: Does Keygen have a free tier?

Yes, the Dev tier is free and supports up to 100 Active Licensed Users with 10 product releases and core licensing API access.

Source
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
Keygen: How is Keygen pricing calculated?

Keygen uses scalable, flat monthly or yearly fees based on your licensing volume (Active Licensed Users). No revenue share or transaction fees are charged.

Source
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
Keygen: Does Keygen charge for additional features like SSO?

SAML/SSO is included in Enterprise tiers. Whitelabel API support costs $995/year per domain. Premium Support SLA is $995/month for Enterprise.

Source
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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