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10+ Helpful JavaScript Fuzzy Search Library 2024

Helpful JavaScript Fuzzy Search Library

Are you looking to add a Fuzzy Search in your project or Web App?  Whenever we talk about the term Fuzzy, it means something that is not clear or something relatable. Now, every Search Feature in a Web App must have a similar ability to show Fuzzy search results. Therefore, we have collected some of the best, most used, and developer-friendly JavaScript Fuzzy Search Libraries in this post.

These Fuzzy Search Libraries are mostly Open-Source and hand-picked by our developers. Furthermore, we have listed these Libraries based on the popularity of their GitHub stars. Also, before we directly jump onto our collection, it is very important that we first understand Fuzzy Search and the advantages of using JavaScript Fuzzy Search libraries in your project.

So, let’s get started!

How does Fuzzy Search Work?

Behind every Fuzzy Search function, there lies an algorithm. This algorithm searches a query’s phrases or words in a database and matches them with the meaning, and spellings. Based on it, if it finds any results it shows to the user.

What is a Fuzzy Search?

Fuzzy Search is a process in which you get a result that matches the query in the database that is appropriate to the string. Additionally, it shows you the result even if you mistyped your search query.

Fuzzy Search is used for?

– To Find Relevant Search Results
– It is very helpful in auto-completing to avoid spelling mistakes.
– Finding Search Results based on synonyms
– Let’s use Find Things Faster.
– Easy for Mobile Users
– Distinct Feature that Every user expects, and many more…

Fuzzy Search in Brief

Fuzzy Search in Brief | JavaScript Fuzzy Search Library

Whenever you open a Web App or a Browser you always look for a search bar for finding things you’re looking for. But sometimes, you get relevant results event after you mistype the query.

For example, when you mistakenly type “Stirng” in Google, it will show you the search results of “String”. This is how a Fuzzy Search works. It is an algorithm to find patterns in your search query and shows you the most relevant search results.

In Fuzzy Search, every query is modified with many operations like Transportation, in which the position of the characters is changed like the example we have seen above.

Then Insertion, which adds more characters to the query to find the possible string match For eg: “Themeselectio” is close to “Themeselection“. It also has operations like Substitution and Deletion in which it replaces or deletes the characters from the actual query.

Fuzzy Searching is very useful in researching and investigating when it comes to researching unfamiliar words or sophisticated terms. It helps online visitors to find the products without knowing the exact spellings or you can find the articles by knowing the titles.

Therefore, including a Fuzzy Search in your web app allows your visitors to find what they need and also it improves the user experience as well.

Why Should We Use JavaScript Fuzzy Search Library?

As we all know, the popularity of JavaScript and its best JavaScript Frameworks demand has never decreased. Besides. it is the most used scripting language among developers. The top-notch libraries of JavaScript are the main reason behind it. It not only saves your development time but it creates responsive, interactive, and versatile web apps/pages with a rich interface.

Now, for any web app or website creating your search bar and building all the algorithms from scratch will consume a lot of your time and effort. Hence, using a JavaScript Fuzzy Library will help you to add a Fuzzy Search in your web app.

These libraries provide you with pre-written code and algorithms for different types of operations that you can easily implement in your project with no hassle. For instance, you can also check the JavaSript Slider Carousel library to add interactive sliders to your web pages.

JavaScript Fuzzy Search Library

As we have cleared up how adding a Fuzzy search library will benefit you, let’s get started with our best Open Source JavaScript Fuzzy Search Library.

We also recommend using the best IDE in Programming to boost your workflow. IDEs can help you work effectively and also save you time by providing you with the best development environment.


Typheadjs Bloodhound

Twitter’s Autocomplete Search Functionality inspires Typehead. It is a Flexible JavaScript Library useful for building robust typeahead. Now, the library consists of two components and one of them is BloodHound the suggestion engine.

It is a Typehead.js suggestion engine that offers advanced functionalities such as prefetching, intelligent caching, fast lookups, and backfilling with remote data. Furthermore, it enables many useful and multiple functions to give you several options to configure in your search engine.

We at ThemeSelection, in our Bootstrap Admin Templatehave used this JavaScript Fuzzy Search library for adding a Search bar in our Templates. For instance, you can check the Demo page of Sneat Bootstrap 5 HTML Admin Template.

sneat bootstrap admin template

Working with JavaScript languages like React, and Vuejs it is advisable to use JavaScript debuggers to make your code error-free and save your time while coding or programming.




Fuse.JS is an open-source lightweight fuzzy search built on JavaScript with zero dependencies. Using Fuese.Js you do not need to set up a dedicated backend to handle the search. It’s a very simple JavaScript Fuzzy Search that gives out a very solid performance to your search feature.

It supports Logical Query Operators which are used to filter the data and get precise results. For $and operation, it Returns all documents that match the conditions of all clauses. Furthermore, you can also use Fuse.JS on the backend as it has no DOM dependencies.

In addition, Fuse.JS provides you with handy documentation to get you easily started with the library.



List.js JavaScript Fuzzy Search Library

List.js is a Perfect JavaScript Library to add not only Search but also ort, filters, and flexibility to tables, lists, and various HTML elements. It’s a very simple JavaScript Fuzzy search library that you can easily use on your project.

Now, the library size is only 5 kb minified & gzipped and built on completely JavaScript with no dependencies. In addition, it is designed in such a way that it can handle thousands of items very easily. It supports a simple templating system that adds the possibility to add, edit, and remove items.

Furthermore, it supports cross-browser compatibility in which your search feature will function across all the major browsers like Chrome, Safari, Firefox, and many more.



Flexsearch is the fastest and the most flexible full-text JavaScript Fuzzy Search library with zero dependencies. If you’re looking for raw search speed then FlexSearch is one of the best libraries out there. Moreover, it provides you with flexible search capabilities like multi-field search, phonetic transformations, or partial matching.

Furthermore, the open-source library supports a scoring algorithm called “contextual index” based on a pre-scored lexical dictionary architecture by which it performs queries significantly faster compared to other JavaScript Fuzzy search Libraries.

FlexSearch also provides a non-blocking asynchronous processing model and web workers to complete any updates or queries on the index in parallel through dedicated balanced threads.


  • Presets
  • Workers (Web + Node.js)
  • Contextual Indexes
  • Index Documents (Field-Search)
  • Suggestions, and many more…


Match Sorter

Match Sorter

Now, If you’re looking for Simple, expected, and deterministic best-match sorting of an array in JavaScript then Match Sorter is for you. If you have a list of hundreds, or thousands of items and want to filter and sort those items intelligently then Match Sorter comes to the rescue.

Moreover, based on the input given it filters and sorts them out by using its simple and sensible algorithm. Now, using these algorithms the items are ranked based on sensible criteria that result in a better user experience.

Apart from this, we also suggest using admin templates for a better user experience, Admin dashboard templates are a collection of web pages created with HTML, CSS, and JavaScript or any JavaScript libraries used to construct the backend user interface of an online application.


  • Min and Maximum Ranking
  • Supports Thresholds
  • Table Filtering
  • Uses Internal Sort Ranked Values
  • Strip diacritics before doing any comparisons, and many more…



uFuzzy JavaScipt Search Library

µFuzzy is a Fuzzy Search Library that enables you to match your short search phrase against your large list of short-to-medium phrases. It can be very useful if you’re list filtering, auto-complete/suggest, and title/name/description/filename/function searches.

It contains all the alpha-numeric characters in the same sequence so it’s a poor fit for applications like spellcheck or full text/document search. The Open-Source Library weighs only a minimum of 4KB Size.


  • Junk-free, high-quality results
  • Precise fuzziness control
  • Sorting you can reason about
  • A concise set of options
  • Fast with low resource usage
  • Micro, with zero dependencies



Fuzzyset.JS JavaScript Fuzzy Search Library

FuzzySet.JS is a fuzzy string set for JavaScript and a data structure that performs a full-text search to determine the misspellings and approximate string matching. Furthermore, it computes similarity scores to find likely misspellings in user input.

Its basic idea is to compare the search query with the available matches in the dictionary and then order them by a similarity score. According to the makers, the library’s functionality is broken into three parts First, it calculates similarity scores. Secondly, by storing the Dictionary on how they store the dictionary with the similarity score.

Lastly, Looking up matches on how they look up potential matches in that dictionary.


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Horsey.js JavaScript Fuzzy Search Library

Horsey is a progressive and customizable component and a reliable autocomplete library. It is a JavaScript Fuzzy Search library that is fast and easy to use. Furthermore, it can be easily integrated into any MVC framework which does not translate into a significant addition to a codebase.

Furthermore, it supports many popular configurations such as cache,limit, filter(query, suggestion),renderItem, renderCategory, and many more. Horsey is a completely open-source project under MIT License.


  • Small and focused
  • Natural keyboard navigation
  • Progressively enhanced
  • Extensive browser support
  • Fuzzy searching
  • Supports <input> and <textarea> elements


FZF for JavaScript

FZF is a command line-based Fuzzy Search Library built using Golang. It allows you to type a few characters that appear in a string you’re looking for and get that string from a list of strings quickly. Now, FZF for JavaScript lets you port these FZF algorithms to JavaScript so that you can use it in the browser.

It provides you support with many search features like HighlightChars, Case sensitivity, Non-string list, Tiebreakers, and many more.


  • Combination of fields to search
  • Smart Case Searching
  • Turn Off the Sorting Mechanism
  • Matching Backwards
  • Async Finder, and many more…



Bripkens Fuzzy

Fuzzy.Js by Bripkens is a JavaScript Fuzzy Search Library for approximate (fuzzy) string matching. Furthermore, you can change the character sequence that is used to highlight before and after the text.

You can also enable sub-term matches whenever the users search for any query. For eg showing the term ‘luja’ when you search for the query ‘Halleluja’. Moreover, It is an Open-source JavaScript Fuzzy Library under an MIT license.

Furthermore, if you want to improve your development workflow and save time, then we recommend using the best JavaScript Build Tools along with using a JavaScript Library.



Fuzzbunny is an open-source, fast, minified, and memory-efficient fuzzy string searching/matching/highlighting library that works well in a browser environment or Node.js. It is a human-friendly library in which the algorithm is designed in such a way that matches “human” searching patterns.

It gives out what you’re looking for with minimal keystrokes with the ultra-fast speed of millions of lines/second on a 2.4 GHz virtual core. Fuzzbunny has a straightforward API in which you can easily integrate this open-source library with any frontend library to build a great Search UI.

Furthermore, to create better UI for your apps, we suggest using UI kits while working on any web apps as UI kits are very helpful in creating appealing web apps. You can use the free UI kits as well.


Wrap Up

So, here are some of the Best JavaScript Fuzzy Search libraries that you might consider using in your next projects. There is no doubt, that these Libraries are open-source, easy to use, and developer friendly. Along with that, each library comes with a useful documentation guide to understand the library and get you started quickly.

Moreover, this documentation will help you to understand the operations and characters of the Fuzzy Search library. When you add a Fuzzy Search in your Web App you indirectly put expectations on your users that they will get what they want from here.

Therefore, choose a library that suits your project and your data to meet the user requirements. Now, if you want to add Tables in your Web apps then we recommend you to check our collection of the Best JavaScript Table Library and Plugins

Thank you for making it so far, we appreciate your time. If you like this post, then do share it with your community, friends, and colleagues.

Happy Coding! Cheers🥂!

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