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Clausul
Audit the redline.·clausul.com
Clausul is a redline audit tool for legal teams. Users upload the version of a contract they sent and the draft they received back, and Clausul identifies tracked changes, untracked drift not represented as Word tracked changes, and the outcome of each proposal sent (accepted, rejected, modified, or unresolved). It outputs a Word-native file with the counterparty's markup preserved, and includes AI-written notes linked to the exact edit for verification.
What it's for
Compare a sent contract draft against the version received backDetect edits the counterparty made without Track Changes onClassify each sent proposal as accepted, rejected, modified, or unresolvedFilter out formatting noise from substantive changesExport the received draft as a Word file with markup preservedDraft a reply with AI-generated tracked changesTransfer negotiated redlines to a structurally different documentCarry forward negotiated positions into a refreshed draft
Features 18
- AES-256 encryption at rest, TLS 1.2+ in transit
- AI legal-impact triage with notes linked to exact edits
- Audit logging
- Carry-Forward Redlines: apply prior-round edits to a refreshed draft
- Detection of silent rejections that produce no redline difference
- Documents auto-deleted after 14 days
- DOCX Revision API
- Formatting noise separated from substantive changes
- Keyboard-first audit navigation (j/k, severity filters)
- Moved text detection (reported as moves, not delete+insert)
- No training on customer documents
- Proposal-outcome classification (accepted, rejected, modified, unresolved)
- Reply feature: drafting instructions produce native Word tracked changes
- Self-serve signup, no sales calls
- Side-by-side comparison view
- Tracked vs untracked change detection
- Transfer Redline: apply negotiated changes to a structurally different document
- Word-native download with counterparty markup preserved
Pricing
Team or firm pricing is available by contacting the company directly.
Free trialFree
Full redline with tracked changes, AI change summaries, Word export
14 days, no credit card required
Monthly$29/user/mo
Annual$20.75/user/mo · billed annually
Save $99/year versus monthly billing
billed yearly, per user