Spellbook

Spellbook

Freemium

AI contract review and drafting platform that helps legal teams review contracts 10x faster in Microsoft Word.

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What is Spellbook?

Spellbook is the leading AI contract review and drafting platform built for transactional lawyers and in-house legal teams. It works directly inside Microsoft Word, using state-of-the-art LLMs including GPT-5 and Claude to redline contracts, draft from scratch or precedent libraries, compare agreements to market standards, and answer complex legal questions with verifiable citations. Trusted by 4,500+ legal teams in 80+ countries including Dropbox, eBay, Fender, and Crocs, Spellbook has accelerated over 10 million contracts. It is SOC 2 Type II, GDPR, HIPAA, and EU AI Act compliant, with zero data retention agreements preventing your data from training any external model. Spellbook also offers an agentic product called Associate for complex multi-document review and drafting workflows.

Key Features

AI Contract RedliningContract Drafting from ScratchMarket Standard ComparisonAI Legal Q&A with CitationsCustom Playbook EnforcementPrecedent Library IntegrationMulti-Document Agent (Associate)Contract Intake from Email & SlackSigned Contract Repository & SearchIndustry-Specific AI TuningGPT-5 and Claude PoweredZero Data RetentionSOC 2 Type II ComplianceHIPAA ComplianceWorks 100% in Microsoft Word

Integrations

Writing & Docs
Microsoft Word
CRM
SalesforceHubSpot
Communication
Slack

How to Use Spellbook

1Sign up for a 7-day free trial at spellbook.com
2Install the Spellbook add-in for Microsoft Word
3Open a contract in Word and click Review to get AI redlines
4Use the Draft feature to generate new clauses or documents
5Search your signed contracts for key terms using the Repository

✅ Best For

  • Transactional lawyers at law firms and in-house legal teams at mid-market companies who spend hours redlining contracts in Microsoft Word and want AI that works within their existing workflow without forcing them to adopt a new platform.
  • Legal counsel at companies with high contract volume across industries like energy, healthcare, financial services, or manufacturing who need to enforce their legal standards consistently at scale.

❌ Not For

  • Litigators and legal researchers who need a deep caselaw research tool rather than a contract review and drafting copilot focused on transactional work.
  • Teams that need a full-featured contract lifecycle management platform with approval workflows, obligation tracking, and renewal management, as Spellbook is strongest at the review and drafting stage of contracting.

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Pricing

BusinessCustom
  • ✓Full review
  • ✓draft
  • ✓and playbook features for teams
EnterpriseCustom
  • ✓Volume pricing
  • ✓SSO
  • ✓and dedicated support

Prompts to Try

Redline this service agreement based on our standard positions

Draft an IP assignment clause that protects our ownership of all work product

How does the indemnification in this contract compare to market standard?

What are the termination rights in this agreement and are they balanced?

Draft a master services agreement for a software implementation project

Use Cases

Todd, a partner at a boutique corporate law firm, uses Spellbook to review vendor agreements for clients, billing an extra productive hour per day by eliminating manual first-pass redlining that Spellbook now handles in minutes.
The Dropbox legal team uses Spellbook's playbooks to apply standard positions consistently across all supplier MSAs, enabling junior legal staff to handle first-pass review without partner oversight on routine contracts.
An energy sector GC uses Spellbook's industry-specific AI tuning to review power purchase agreements, catching non-standard force majeure clauses that a generalist AI would likely miss.
A procurement team manager at a retail company uses Spellbook Associate to review 50 vendor contracts simultaneously during a busy RFP season, extracting key terms into a comparison table in hours instead of weeks.
Jenny, an in-house counsel at a SaaS company, uses Spellbook's Market Compare feature to benchmark a counterparty's proposed limitation of liability against thousands of similar SaaS agreements and negotiate from an informed position.

Frequently Asked Questions