Professional Corpus Linguistics Analysis in Your Browser

Build, search, and analyze text corpora with research-grade tools. No installation required. Powered by AI for deeper insights.

No credit card required • Free plan available

Research-Grade Analysis Tools

Everything you need for professional corpus linguistics research

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Advanced Full-Text Search

FTS5-powered search with Boolean operators, NEAR/n proximity, wildcards, and regex patterns.

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KWIC Concordance

Key Word in Context analysis with sortable columns, adjustable context windows (25-200 chars).

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18 AI-Powered Features

Classification, themes, summaries, sentiment analysis, semantic similarity, diachronic change detection powered by GPT-5.1.

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Statistical Analysis

Readability indices (Free tier), lexical diversity measures like TTR and MTLD (Researcher+), keyness analysis (Professional+), plus frequency lists, collocations, and n-grams.

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NLP Processing

Comprehensive linguistic analysis with sentence segmentation, noun chunks, morphological features, lemma frequencies, stopword filtering, POS tagging, dependency parsing, and NER for 8 languages: English, Spanish, Russian, French, German, Chinese, Japanese, and Arabic.

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Multi-Format Support

Upload TXT, CSV, PDF, Word (DOCX), and JSONL files. Batch upload supported.

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Visualizations

Word clouds, frequency charts, lexical dispersion plots for visual insights.

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Collaboration

Multi-user access, role-based permissions, annotations, version snapshots.

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REST API

Programmatic access with API keys for automation and custom integrations.

Who Uses CorpusCraft?

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Academic Researchers

Conducting corpus linguistics studies and publishing research papers

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Graduate Students

Analyzing textual data for dissertations and thesis projects

👨‍🏫

Language Teachers

Creating authentic teaching materials from real-world corpora

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Digital Humanities Scholars

Studying historical texts and literary works at scale

⚖️

Forensic Linguists

Examining legal documents and authorship attribution

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Content Analysts

Analyzing customer feedback, social media, and market research

How It Works

1

Upload Your Texts

Drag & drop documents or batch upload. Support for TXT, PDF, Word, CSV, and JSONL formats. Automatic language detection included.

2

Search & Analyze

Run KWIC concordances, generate frequency lists, discover collocations, get AI insights. All with a simple, intuitive interface.

3

Export & Share

Export results to PDF, Word (DOCX), Excel (XLSX), or CSV. Collaborate with your team using role-based access. Create version snapshots for reproducibility.

Choose Your Plan

Professional corpus linguistics tools for every researcher

Free

$0/mo

Perfect for getting started

  • 10 documents (50K tokens)
  • Search & KWIC
  • Frequency analysis
  • NLP processing
  • AI features
Get Started
Academic

Academic

$99/year

For verified academics

  • 500K tokens corpus
  • 25 AI analyses per month
  • 5 advanced GPT-5.1 queries
  • NLP processing
  • Requires verification
Verify & Start

Researcher

$39/mo

For individual researchers

  • 500K tokens corpus
  • 55 AI analyses per month
  • 5 advanced GPT-5.1 queries
  • NLP processing
  • Collaboration (3 users)
Subscribe Now

Professional

$99/mo

For active researchers

  • 2M tokens corpus
  • 220 AI analyses per month
  • 20 advanced GPT-5.1 queries
  • Priority processing
  • Collaboration (10 users)
Subscribe Now

Institution

$249/mo

For departments & teams

  • 10M tokens corpus
  • 1100 AI analyses per month
  • 100 advanced GPT-5.1 queries
  • REST API access
  • Unlimited collaborators
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Get Started with CorpusCraft

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