Developer Tools · head to head
Prettier vs Semperis
Semperis
Cybersecurity
Identity threat detection and Active Directory forest recovery for AD, Entra ID and Okta, from a privately held US vendor.
- From
- On request
- Free plan
- No
The short version
- Only Prettier has a free tier, so it costs nothing to try first.
- Each has a real cost: Prettier inflexible style rules that cannot be customized significantly, forcing teams to accept opinionated defaults; Semperis scope is limited to Active Directory, Entra ID and Okta, so an organisation whose critical identity lives elsewhere gets little from it, and the recovery value declines in direct proportion to how much has already moved off on-premises AD.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Prettier and Semperis actually diverge.
Identical on both: 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 Prettier
Nothing recorded that Semperis does not also cover.
Only in Semperis
- Active Directory Forest Recovery
- Malware-free restore
- Replication-stream monitoring
- Automated rollback
- Attack indicator scoring
- Entra ID and Okta coverage
- Purple Knight
- Forest Druid
What people use each for
The jobs each tool is most often brought in to do.
Prettier
- Automatically formatting TypeScript files to project style standardsnot Semperis
- Enforcing consistent HTML indentation across component filesnot Semperis
- Removing style-related comments from pull request reviewsnot Semperis
- Formatting GraphQL queries with consistent indentationnot Semperis
Semperis
- An organisation that cannot answer an auditor or insurer asking how long it would take to rebuild Active Directory after a destructive attacknot Prettier
- Post-incident recovery where domain controllers are compromised and restoring from system-state backup would reintroduce the attacker's footholdnot Prettier
- Continuous detection of privileged group changes and directory-level tampering that domain controller security logs missnot Prettier
- Hybrid estates where AD, Entra ID and Okta all matter and no single tool currently shows changes across the threenot Prettier
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
Semperis
- Scope is limited to Active Directory, Entra ID and Okta, so an organisation whose critical identity lives elsewhere gets little from it, and the recovery value declines in direct proportion to how much has already moved off on-premises AD.
- The licence buys tooling, not a proven runbook: forest recovery is only worth what your last rehearsal demonstrated, and a plan that has never been executed end to end in a lab is an untested assumption regardless of what was purchased.
- It overlaps with backup and directory management products from Quest, Veeam, Commvault and others, so the buyer must argue internally why a dedicated product is needed alongside a backup contract that already claims to protect Active Directory.
- Running Directory Services Protector well requires someone who understands AD internals, replication metadata and Tier 0 attack paths, and without that person the alerts on privileged changes are either ignored or auto-reverted in ways that break legitimate administration.
- Licensing is driven by identity object counts, so directories carrying years of stale user accounts and service principals pay for objects that should have been deleted, and the cleanup project that would reduce the bill is the one nobody has time for.
Pricing, plan by plan
Prettier
FreeNo published plan breakdown. See the Prettier review.
Semperis
On requestNo published plan breakdown. See the Semperis review.
Which should you pick?
Choose Prettier if
- You want to start without paying.
- You work on CLI, Editor Plugins, Build Tools.
Choose Semperis if
- You need active directory forest recovery.
- You also want malware-free restore.
Questions people ask
- Is Prettier or Semperis better?
- Neither clearly leads. Prettier starts at Free and Semperis at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Prettier or Semperis?
- Prettier has a free tier; the other does not. Paid plans start at Free for Prettier and On request for Semperis.
- Does Prettier or Semperis run on more platforms?
- Prettier runs on CLI, Editor Plugins, Build Tools. Semperis runs on Web.
- Can I use Prettier for free?
- Yes. Prettier has a free tier, so you can try it without paying. Semperis starts at On request.
- What is Prettier best used for?
- Prettier is most often used for automatically formatting typescript files to project style standards, enforcing consistent html indentation across component files, removing style-related comments from pull request reviews, formatting graphql queries with consistent indentation. Of those, automatically formatting typescript files to project style standards and enforcing consistent html indentation across component files are not what Semperis is typically brought in for.
- What can Prettier do that Semperis cannot?
- Semperis covers Active Directory Forest Recovery, Malware-free restore, Replication-stream monitoring, Automated rollback.
Answered from the vendors’ own pages
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.
SourceSemperis: Does this replace my backups?
No. It replaces the Active Directory recovery procedure specifically. You still need backups for everything else, and the point of Semperis is that a generic system-state backup of a domain controller is a poor way to recover a forest because it restores the operating system along with whatever compromised it.
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.
SourceSemperis: Is it useful if we are cloud-only on Entra ID?
Partly. Directory Services Protector covers Entra ID and Okta for change tracking and posture, but the forest recovery product, which is the strongest reason to buy, applies to on-premises Active Directory. A genuinely cloud-only organisation should weigh it against Microsoft's own tooling.
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.
SourceSemperis: Are Purple Knight and Forest Druid really free?
Yes, both are free downloads with no licence requirement, and they are widely used by organisations that are not Semperis customers. They are also, transparently, the top of the sales funnel.
Semperis: How long does forest recovery actually take?
The honest answer is whatever your rehearsal took. The vendor's case is hours instead of days, and automation genuinely removes most manual steps, but the number that matters for your board is the one from a test in your own environment.
Semperis: Does it require agents on domain controllers?
It collects directory changes from the AD replication stream, which is what lets it see changes that bypass the security log. Deployment details vary by product and version, so confirm the exact architecture against your domain controller change-control rules.
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