ELD

Efficient and accurate language detection in JavaScript.

GrowingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Cooling

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is ELD?

Fast and accurate natural language detection library written in JavaScript. ELD is designed for efficient language identification, making it suitable for applications requiring quick and precise language recognition.

Key differentiator

ELD stands out as a lightweight, fast JavaScript library for accurate language detection, ideal for web applications needing efficient language recognition.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

High accuracy in language detectionmedium

Efficient and fast processingmedium

Lightweight library suitable for various applicationsmedium

↓ Weaknesses

Limited language support compared to specialized NLP librarieshigh

Only supports a subset of languages, which may not be sufficient for globally diverse applications

Poor documentation and examplesmedium

Lack of comprehensive guides or tutorials on how to integrate ELD into different application scenarios

Performance degradation with large text inputshigh

Benchmark tests show significant increase in processing time for texts exceeding 10,000 characters

Small and less active communitymedium

Low number of contributors and infrequent updates to the project repository on GitHub

Fit analysis

Who is it for?

✓ Best for

Developers building web apps that require quick and accurate language detection for user inputs.

Projects needing efficient language recognition without significant computational overhead.

✕ Not a fit for

Applications requiring real-time streaming language processing

Scenarios where extremely high accuracy is critical over speed

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with ELD

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →