Save hours every day on GST work.
rexGST is a professional toolkit for tax consultants, CAs and GST practitioners. Validation, reconciliation, returns and calculators — all in one fast, reliable workspace.
Every tool a GST practitioner needs
Purpose-built utilities that replace scattered spreadsheets and one-off scripts.
GSTIN Validation
Single and bulk GSTIN verification with format checks and taxpayer status.
2A / 2B Reconciliation
Match your books with GSTR-2A/2B in seconds. Spot mismatches instantly.
GST Calculators
Interest, late fee, HSN, reverse charge — every calculator practitioners use.
Return Utilities
Due-date trackers, period converters, and helpers for GSTR-1, 3B, 9 and 9C.
Built by people who understand GST practice
rexGST is designed around the real, repetitive work practitioners do every day. Every tool is fast, printable, and safe to share with clients.
- Built specifically for Indian GST practice
- Bulk operations that save entire afternoons
- Clean, printable reports for clients
- No installs — works in any modern browser
- Regular updates for law changes
- Priority email support
Start your first free month today
Join GST practitioners across India who use rexGST to run a faster, calmer practice.