Understand Text with Open Source NLP

LibriText provides free, powerful tools for text analysis, sentiment detection, and natural language understanding. No API keys, no limits.

Try the Demo Documentation

$ libritext analyze "This product is amazing!"

Sentiment: Positive (0.94)

Entities: [product]

Keywords: amazing, product

50+

NLP Models

100+

Languages

1M+

API Calls/Day

Core Features

Powerful Text Analysis

Everything you need for natural language processing in one open-source platform

Sentiment Analysis

Detect emotions and opinions in text with state-of-the-art models. Understand customer feedback and social media at scale.

Named Entity Recognition

Extract people, places, organizations, and custom entities from unstructured text automatically.

Multi-Language Support

Process text in 100+ languages with automatic language detection and translation capabilities.

Text Summarization

Generate concise summaries from long documents while preserving key information and context.

Topic Modeling

Discover hidden themes and patterns in large text collections with unsupervised learning.

Keyword Extraction

Automatically identify the most important terms and phrases in your documents.

Try It Now

Online NLP Tools

Free browser-based tools - no installation required

Sentiment Analyzer

Analyze emotional tone of any text

Entity Extractor

Find names, places, and organizations

Summarizer

Create concise text summaries

Translator

Translate between 100+ languages

Why LibriText

Open Source NLP for Everyone

LibriText democratizes access to natural language processing. Built on open-source models and freely available to everyone, we believe powerful text analysis shouldn't require expensive API subscriptions.

                        # Install LibriText

                        pip install libritext

                        # Analyze sentiment

                        from libritext import analyze

                        result = analyze("I love this!")

                        print(result.sentiment)  # positive

Self-hostable with Docker
Privacy-first: your data stays local
Commercial-friendly Apache 2.0 license
Active community and regular updates

Get in Touch

Let's Connect

Questions about LibriText? Want to contribute or discuss a custom deployment? We'd love to hear from you.

Email

hello@libritext.org

Discord

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