AI citation verification · live

Every cite.
Verified.

Upload any brief. briefcheckr extracts every citation in order, fetches each source, pulls the exact verbatim CTRL+F quote, and delivers a one-click interactive checklist.

Verify your brief
📄
Click or drag your brief PDF or DOCX here
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How it works

Four steps.
One file.

The same work a senior associate runs manually — automated, verified, done in 90 seconds.

01
📤
Upload brief PDF
Any federal brief. Text extracted in reading order.
pdfplumber
02
🧠
Claude reads it
Every rule, statute, case, docket ref, date, and quote — in exact brief order.
Claude Sonnet
03
🔍
Sources verified
Each URL fetched. Claude reads the real page, pulls the exact CTRL+F phrase.
Claude Haiku
04
✅
Interactive HTML
Click any highlight → source opens → CTRL+V → Y or N. One file, works offline.
Self-contained
briefcheckr — pipeline output
$ briefcheckr process motion_to_compel.pdf
✓ Extracted 2,847 lines from PDF
→ Claude Sonnet: extracting citations in order...
✓ Found 93 verifiable items
→ Fetching 34 source URLs...
✓ law.cornell.edu/rules/frcp/rule_72 → "serve and file objections to the order within 14 days"
✓ law.cornell.edu/uscode/text/28/636 → "hear and determine any pretrial matter"
✓ courtlistener.com/opinion/104357/ → "Mutual knowledge of all the relevant facts"
... 31 more verified
✓ brief_verified.html ready — 87 seconds · $0.09
Pricing

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3 free scans every 24 hours. No credit card required. Upgrade for unlimited access.

Free
$0
3 scans per day, resets midnight UTC
  • Full AI citation extraction
  • Source URL verification
  • Exact verbatim CTRL+F quotes
  • Interactive HTML checklist
  • Works with any federal brief
Pro
$49/mo
Unlimited scans, priority processing
  • Everything in Free
  • Unlimited daily scans
  • Priority queue — no waiting
  • Judge profile context (coming soon)
  • Sanction risk scoring (coming soon)
1
Extracting PDF text
Reading brief in document order
2
Claude Sonnet: extracting citations
Rules, cases, docket refs, dates, quotes
3
Fetching source URLs
Cornell LII, CourtListener, SDGA local rules
4
Claude Haiku: verifying exact quotes
Reading real page text, extracting verbatim phrase
5
Rendering interactive HTML
Building your verified checklist
0%