Your contract,
reviewed. Privately.
Instantly.
Upload any contract PDF and get an instant risk report — health score, red flags, plain-English summaries, and negotiation scripts. Zero API calls. Zero cloud. Zero cost.
Millions sign contracts they haven't read.
Rental agreements, employment offers, SaaS terms — dense documents hiding the clauses that actually matter. Law firms have Harvey and Ironclad, built on OpenAI, costing thousands per month, sending your contracts to the cloud. Everyone else is on their own.
Early Termination Traps
The clause that costs you 3 months' rent if you leave early — buried on page 14.
Auto-Renewal Locks
The clause that quietly renews your contract for another year without notification.
Arbitration Clauses
The clause that strips your right to take disputes to court — written in paragraph 22.
An instant risk report in seconds.
Seven deterministic stages — every output is auditable, every flag traces to a real clause.
Contract Health Score
A 0–100 severity-weighted score. Grade A to F. Instant at-a-glance signal before you read a word.
Risk Flag Detection
34 curated rules across rental and employment contracts. HIGH, MEDIUM, LOW severity with exact evidence quotes.
Negotiation Scripts
Ready-to-send scripts for every flagged clause. Know exactly what to ask for before you sign.
Plain-English Summary
Extractive summaries using real values from your contract — no hallucinated numbers, no invented clauses.
Semantic Search
FAISS + sentence-transformers for paraphrased clause detection. Regex for precision, embeddings for recall.
PDF Report Export
Download a branded PDF report with health score, all flags, evidence, and negotiation scripts in one document.
Built for clarity at every step.
From upload to full risk report — the entire flow runs in your browser, on your machine.
Your contract never leaves your machine.
Most contract AI tools send your document to OpenAI. ClauseLens never does. This isn't a feature — it's the architecture.
100% Local Processing
Every computation runs on your machine. Nothing transmitted, nothing logged.
Zero API Calls
No OpenAI. No Anthropic. No cloud LLMs. The model runs entirely offline.
Zero Hallucination
Rule-based engine. Every flag is auditable and traces to a specific text span.
Zero Persistence
Document lives in browser session only. Close the tab — it's gone. Nothing on disk.
Zero Telemetry
No analytics, no logging of contract content, no usage tracking of any kind.
Zero Cost
Open source, MIT licensed, free forever. No subscription, no freemium wall.
Built for the 99% that law firms ignore.
Anyone who signs contracts — which is everyone — can benefit from ClauseLens.
👤 Consumers & Renters
Before signing a lease or any personal agreement — know the red flags before you're locked in.
💼 Freelancers & SMBs
Review vendor agreements, SaaS terms, and client contracts without paying legal fees for every review.
🏢 HR & Legal Ops Teams
First-pass review of employment offers and vendor contracts — catch issues before they reach legal counsel.
🔒 Privacy-Sensitive Enterprises
Healthcare, finance, and defense — where contracts cannot be sent to third-party cloud APIs. Deploy in your own VPC via Docker.
Ready to read what you're signing?
ClauseLens is free, open source, and runs entirely on your machine. No account. No API key. No cloud. Just clarity.
ClauseLens is an automated analysis tool, not legal advice. Always consult a qualified attorney for decisions with legal or financial consequences.