XBRL Pre-Submission Validator

Validate XBRL tags in real SEC filings against a 1,000-tag US-GAAP vocabulary

Try:

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Search for any SEC-filing company to validate their XBRL tags

5,738 public companies from Q4 2025 SEC filings

Baseline

Bigram Dice coefficient fuzzy matching against a 1,000-tag US-GAAP vocabulary. Fast but misses deprecated and semantically similar tags.

Fine-tuned Model

Qwen3-4B trained on 1.75M label-tag pairs from 16,647 filers across 68 quarterly SEC datasets. Learns taxonomy relationships the baseline cannot.

Severity Tiers

CRITICAL: wrong concept. HIGH: taxonomy update (ASC 606/842). MEDIUM: granularity mismatch. INFO: expected CF pattern. PASS: exact match.