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Comparison

JSONLints vs Prettier

JSONLints and Prettier both land on Worth it.

Prettier

prettier.io

Worth it
Confidence: High

If your team writes JavaScript/TypeScript and wants style debates gone, Prettier is the free de facto standard.

Read the full report

JSONLints versus Prettier
CompareJSONLintsPrettier
VerdictWorth itWorth it
Best forQuick JSON payload checksJS/TS teams tired of style debates
Who it's not forCompliance teams needing audited security evidenceSpeed-critical repos . Biome formats far faster
PrivacyNo known public vulnerabilities found in the sources reviewed.¹Core prettier package unaffected, but two ecosystem plugins (eslint-config-prettier, eslint-plugin-prettier) were compromised via npm in July 2025 (CVE-2025-54313); fixed versions shipped.
Support qualityEmail-only; 24-48h response is a claim.Community-maintained OSS; no support evidence found.
Public sentimentIndependent user evidence is thin: a single Reddit share describes it as a simple validate-parse-reformat tool.⁴Sentiment favors consistency and ending debates, with recurring complaints about speed, rigid style, and a minority switching to lighter tools.14
Biggest gotchaSite is ad-funded; expect ads around your paste workflow⁵CVE-2025-54313: eslint-config-prettier hijacked July 2025; only 10.1.6+ is safe . audit lockfiles.

Pick JSONLints when

  • Quick JSON payload checks
  • Fixing malformed JSON fast
  • Diffing two JSON snippets
  • Pasting sensitive data (stays client-side)

When JSONLints is not a fit

  • Compliance teams needing audited security evidence
  • Ad-free tooling buyers
  • Bulk or automated JSON processing in pipelines
  • Anyone wanting guaranteed support SLAs

Pick Prettier when

  • JS/TS teams tired of style debates
  • Large codebases needing one enforced style
  • Mixed-language repos via plugins
  • VS Code users wanting format-on-save

When Prettier is not a fit

  • Speed-critical repos . Biome formats far faster
  • Teams folding formatting into ESLint stylistic rules
  • Devs wanting per-developer custom styles . it's opinionated by design
  • Teams still running compromised pre-10.1.6 plugin versions

Sources

  1. JSONLints - Free Online JSON Validator, Auto-Repairjsonlints.com
    official
  2. Contact JSONLints - Developer Support & Feedbackjsonlints.com
    official
  3. How to Fix Common JSON Syntax Errorsjsonlints.com
    official
  4. Simple online tool to validate, parse and reformat jsonreddit.com
    review
  5. Should I Use Jsonlint? Honest Review, Pricing & Gotchasshouldiuse.io
    review
  6. Security pagejsonlints.com
    security
  7. Architecture, Privacy & Engineering Philosophyjsonlints.com
    official
  8. Prettier · Opinionated Code Formatterprettier.io
    official
  9. prettier on npmnpmjs.com
    official
  10. Prettier Rationaleprettier.io
    official
  11. Prettier - Code formatter (VS Code)marketplace.visualstudio.com
    official
  12. Prettier for Enterprise (Tidelift)prettier.io
    official
  13. Why I don't use Prettierantfu.me
    review
  14. Those who stopped using prettier, why? (Reddit)reddit.com
    review
  15. I don't like prettier (Reddit)reddit.com
    review
  16. Prettier formatting differs across setups (Stack Overflow)stackoverflow.com
    review