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Lunr.js

Small full-text search library for the browser

Search Engines ★ 9.2k stars Easy setup MIT

Lunr.js is a small, full-text search library for use in the browser that provides a simple search index without needing a backend service. It is commonly used to add offline search to static sites and documentation.

Official siteSource code

Key features

  • Browser-based search
  • No backend needed
  • Prebuilt index support
  • Tiny library size

Strengths

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • Mature project with 9.2k GitHub stars
  • Written in JavaScript

Is Lunr.js secure?

OSV.dev has no published security advisories for Lunr.js's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Lunr.js replaces

Self-hosted Algolia alternativesSelf-hosted Elasticsearch alternatives

Health badge

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SelfHostIndex: 29 · at risk

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