GSTR Reco

100% client-side GST reconciliation with 99.8% accuracy - offline and secure.

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Added Jul 2026

gst.irajat.in

Vat ToolsFreevat-tools

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What is Gstr Reco?

GSTR Reco is an industrial-grade financial reconciliation engine that automates GST filing audits by comparing GSTR-2B portal data against purchase registers and books of accounts. It runs entirely client-side in your browser using a deterministic 3-Pass logic system (exact match, cleaned match, fuzzy match via Levenshtein distance) to achieve 99.8% match accuracy with zero data leakage. Built for finance teams, accountants, and audit professionals who need fast, secure GST reconciliation without cloud dependency.

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Key Features of Gstr Reco

3-Pass reconciliation engine (exact, cleaned, fuzzy matching)
Levenshtein distance similarity for typo detection
100% client-side processing with zero data leakage
Browser-local data residency using LZ-STRING compression
10,000+ invoices processed per second
Offline-native operation
Live reconciliation visualizer and sandbox simulator
ITC claimability calculation
Export results as Excel/CSV
Tolerance threshold configuration

Who Should Use Gstr Reco?

Reconcile GSTR-2B portal drafts against purchase registers

Automate GST audit workflows for accounting teams

Identify discrepancies between billing systems and tax filings

Calculate net claimable Input Tax Credit (ITC)

Reduce manual auditing time by up to 92%

Audit multi-vendor invoice datasets offline

Gstr Reco: Pros & Cons

✓Pros

99.8% match accuracy with fuzzy matching for typos and formatting variations
100% client-side processing ensures data security and zero leakage
Offline-native - no internet required after loading
Processes 10,000+ invoices per second
Live simulator for real-time algorithm visualization
Configurable tolerance thresholds for flexible matching
Fast reconciliation in milliseconds

Frequently Asked Questions about Gstr Reco

What data does GSTR Reco process?

GSTR Reco reconciles GSTR-2B portal files and Purchase Registers against your books of accounts to identify matching invoices and calculate claimable ITC.

Is my data stored on servers?

No. GSTR Reco runs 100% client-side in your browser with zero data leakage. All processing happens locally.

How fast is the reconciliation?

The engine processes 10,000+ invoices per second and completes reconciliation in milliseconds.

What file formats are supported?

You can import Purchase Registers and GSTR-2B portal files as CSVs and export results as Excel or CSV.

How does fuzzy matching work?

Pass 3 uses Levenshtein distance calculations to detect typos, formatting variations, and sequence differences within configurable thresholds.