Guides
How to compare documents, read a redline and check what changed before you sign. Written and reviewed by EJ Archuleta.
Comparing documents
How to see exactly what changed between two files, in Word, PDF or plain text.
- How to compare two Word documentsCompare two Word documents with Word's built-in Compare or a free browser tool. Steps, settings, common problems, and how to get a numbered redline.
- Compare Two Texts Online, Word by WordCompare two texts online: paste both versions for a numbered, word-level redline that runs in your browser. Free HTML or Markdown reports, no account.
- How to Compare a Scanned PDF to a Word DocumentCompare a scanned or signed PDF to a Word document: how OCR works, how to tell OCR errors from real edits, and a step-by-step verification workflow.
- How to Ignore Formatting Changes in a Contract RedlineIgnore formatting changes in a contract redline: turn off formatting in Word Compare or compare text only, then triage material edits in 5 minutes.
- How to Detect Moved Text in a Contract RedlineLearn how to detect moved text in a redline: why moved clauses appear as deletions and insertions, how to verify each by hand, and where edits hide.
- Redline vs Blackline: What's the Difference?Redline vs blackline: both usually mean a marked comparison of two document versions. Learn where the terms came from and how to ask for the right one.
- How to Redline in Word (and Make a Clean Redline)How to redline in Word with Track Changes or Compare, then make a clean redline: normalize both files, use the right baseline, verify, and summarize changes.
Contracts and negotiation
Checking each turn of a draft, catching edits nobody marked, and confirming what you sign.
- How to Compare Two Versions of a Contract: A Step-by-Step WorkflowHow to compare two versions of a contract: confirm the baseline, run an independent comparison, triage numbered changes and write a cited change summary.
- How to Detect Untracked Changes in Word: Audit a Counterparty RedlineHow to detect untracked changes in Word: compare the returned draft against your last sent copy and get a numbered redline you can cite in your reply.
- Can you trust Track Changes? Where Word misses edits, and how to checkCan you trust Track Changes? Learn where Word Track Changes and Compare miss edits, and how to verify a counterparty draft with a numbered comparison.
- How to Compare Contract Drafts Across Negotiation RoundsCompare contract drafts during negotiation: snapshot what you send, compare each return against it, reply by change number and check the final copy.
- How to check if a contract was changed before you signCheck if a contract was changed before signing: compare the execution copy to the last agreed draft, get every difference numbered, and raise it first.
- Contract Review Checklist Before Signing (Plus Template Drift)Contract review checklist before signing: confirm the version, compare it to the agreed draft and template, and check terms, schedules and references.
- How to Compare NDA Drafts: A Clause-by-Clause Redline ChecklistHow to compare NDA drafts: run a word-level redline against your last version, then check each numbered change: definition, term, disclosures, remedies.
- How to Compare Lease Agreements and Review a Lease RedlineHow to compare lease agreements: run a numbered redline, then check rent, CAM, TI, assignment, renewal, deposits and exhibits so no change slips past you.
- How to Compare SaaS Agreement Drafts and MSAs Without Missing a ChangeHow to compare SaaS agreement drafts and MSAs clause by clause: pricing, SLAs, data, renewal, liability, order forms, definitions, and replying by change number.
- How to Compare Contract Amendments and Addenda Against the OriginalHow to compare contract amendments to the original: amended and restated agreements, standalone amendments with a conformed copy, and numbered redlines.
- How to Compare Settlement Agreement Drafts and Catch Late ChangesCompare settlement agreement drafts: check the signature copy against the last agreed draft and catch late edits to release, payment and confidentiality.
For legal teams
Choosing and using comparison software in a practice, and keeping documents private.
- Legal document comparison software: a practical buyer's guideHow legal document comparison software works, the four tool types, what to test with your own drafts, and how to match security and price to your practice.
- Document comparison for legal teams: a redline for every draftDocument comparison for legal teams: why to run your own redline on every draft, choose the right baseline, check PDFs and cite changes by number.
- Choosing a Document Comparison Tool for a Small Law FirmChoosing a document comparison tool for a small law firm? Use this checklist on accuracy, client privacy, reports, IT needs and transparent pricing.
- Can AI Redline a Contract? Probabilistic vs Deterministic ComparisonCan AI redline a contract? It can summarize changes but may miss or invent edits. See how deterministic redlines differ and run a 20-minute test yourself.
- Is Online Document Comparison Secure? How to Check Before You UploadIs online document comparison secure? See where your files go, what to ask vendors, and how to test whether a tool runs in your browser before uploading.
Alternatives
How DocxDiff compares with other document comparison tools, and when another tool is the better fit.
- A Litera Compare alternative for small firms and solo lawyersChoosing a Litera Compare alternative: when an enterprise suite is worth it, when a free or $12/month browser tool is enough, and how to test a switch.
- Workshare Compare and compareDocs Alternatives: What to Use NowNeed a Workshare Compare alternative? See the four realistic options, how to test each on your own documents, and how to migrate a small firm.
- Draftable Alternative: Free, Private Document ComparisonA Draftable alternative compared fairly: privacy, price, file types, redlines and PDF support. DocxDiff runs free in your browser; Pro is $12/month.
- DiffChecker for Legal Documents: Limits and What to Use InsteadUsing DiffChecker for legal documents? See where it falls short on contracts, how Word Compare and DMS tools fit, and when a word-level redline is better.