Your Financial Life, Accounted for with Mathematical Truth
FinBrain transforms multi-bank and card statements into an auditable, cent-exact ledger. Gain clarity over your spending with deterministic calculations, transparent categorization rules, and explainable AI intelligence.
Integer Precision
Zero float drift or rounding anomalies
Direct Encrypted Storage
Private short-lived presigned uploads
Engine-Level RLS
Cryptographically bound user boundaries
Human in the Loop
AI suggests, but ledger state is verified
From Raw Statement to Verifiable Ledger
A transparent, 4-stage processing lifecycle designed for absolute accuracy and complete user oversight.
Statement Ingestion
Upload CSV, TSV, OFX, QFX, or PDF statements directly to encrypted private storage with automatic format detection.
Exact Normalization
Raw records are normalized into exact integer minor units with automatic SHA-256 fingerprinting for duplicate detection.
Rules & Intelligence
Merchant normalization and user rules apply first. Explainable AI suggests categories with visible confidence scores.
Ledger & Insights
Review staged candidates, finalize commits, track budgets with rollovers, and generate formula-safe CSV reports.
Engineered for Complete Financial Control
Every tool and view in FinBrain is built to provide verifiable, uncompromising clarity over your financial data.
Multi-Account Management
Maintain checking, savings, credit cards, and loans in isolated currency accounts with exact balance reconciliation.
Deterministic Rule Engine
Create custom transaction rules with regex patterns, exact amount boundaries, and priority weighting for automatic categorization.
Flexible Budget Rollovers
Track monthly and annual spending targets with exact rollover surplus and deficit math computed directly in SQL queries.
Formula-Safe Exports
Download normalized transaction and summary CSV reports protected by automatic spreadsheet formula-injection defense.
Audit Trails & Reversibility
Every split, category update, and rule execution maintains a complete revision history with single-click undo support.
Permanent Data Deletion
Self-service GDPR/CCPA account deletion that irreversibly purges ledger entries, statement files, and auth credentials.
Frequently Asked Questions
Clear, honest answers about our technology and data handling.
How do I import my financial transactions into FinBrain?
You can upload standard bank and credit card statement files including CSV, TSV, OFX, QFX, and text-based PDF documents. FinBrain parses the records, detects potential duplicates, and stages them for your review before committing them to your ledger.
Does FinBrain connect directly to my bank via live credentials?
No. FinBrain is intentionally designed as an offline statement-first system. We never ask for your online banking passwords or store unregulated financial aggregator tokens. You retain full control over which statements you upload.
Is my personal financial data used to train AI models?
Never. FinBrain strictly forbids the use of customer financial descriptions, statement contents, or ledger records for training foundational AI models. When AI classification is used, inputs are redacted and evaluated on an ephemeral basis.
Can AI ever modify my account balance or ledger automatically?
No. AI operates purely in an advisory classification capacity. All ledger totals, balances, and budget calculations are strictly deterministic and executed via PostgreSQL integer arithmetic.
Experience Explainable Financial Clarity
Create an account to start importing your statements into a cent-exact, auditable financial ledger with zero tracking or data monetization.