NLP Compromise
Natural Language Processing in the browser for JavaScript.
Pricing
Free tier
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is NLP Compromise?
NLP Compromise is a lightweight natural language processing library designed to run directly in web browsers, making it easy to integrate NLP capabilities into client-side applications without requiring backend support.
Key differentiator
“NLP Compromise stands out for its lightweight nature and ability to run entirely on the client side, making it ideal for web applications that need basic NLP capabilities without backend support.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
NLP Compromise lacks advanced features such as named entity recognition beyond basic entities and complex sentiment analysis.
Processing extensive text data in the browser can lead to significant performance degradation due to limited client-side resources.
The project has a small contributor base, resulting in infrequent updates and limited feature expansion over time.
Fit analysis
Who is it for?
✓ Best for
Web developers looking for a lightweight NLP solution that can run entirely on the client side.
Projects requiring real-time text processing without the need for server-side infrastructure.
✕ Not a fit for
Applications needing advanced or specialized NLP capabilities not covered by Compromise.
Scenarios where heavy computational tasks are required, as it runs in the browser and may impact performance.
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
Alternatives
Next step
Get Started with NLP Compromise
Step-by-step setup guide with code examples and common gotchas.