Frontend Frameworks

NLP Compromise

Natural Language Processing in the browser for JavaScript.

Status
Generally available
Last checked
Checked · Oct 16, 2026
License
Open source
Pricing
Free tier · from $0

What it is

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.

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.

When it fits — and when it doesn’t

A good fit 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.

Look elsewhere if

  • 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.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited functionality compared to comprehensive NLP libraries

    NLP Compromise lacks advanced features such as named entity recognition beyond basic entities and complex sentiment analysis.

  2. 02

    Performance issues with large text inputs

    Processing extensive text data in the browser can lead to significant performance degradation due to limited client-side resources.

  3. 03

    Small community and slow update cycle

    The project has a small contributor base, resulting in infrequent updates and limited feature expansion over time.

What it does well

  • Runs directly in the browser without backend dependencies.

  • Lightweight and easy to integrate into web applications.

  • Supports a variety of NLP tasks including entity recognition, sentiment analysis.

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up NLP Compromise

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
Get the badge

A small badge for NLP Compromise’s README or site: its name, “Tracked on AI Navigator”, and the availability status and check month from this page. It updates as the catalog does.

NLP Compromise — tracked on AI Navigator

Markdown

[![NLP Compromise — tracked on AI Navigator](https://navigateaitools.com/badge/nlp-compromise.svg)](https://navigateaitools.com/explorer/tool/nlp-compromise)

HTML

<a href="https://navigateaitools.com/explorer/tool/nlp-compromise"><img src="https://navigateaitools.com/badge/nlp-compromise.svg" alt="NLP Compromise — tracked on AI Navigator" height="58"></a>