GST Number Generator
Generate GSTIN, ABN, GST/HST, New Zealand and Singapore GST test identifiers
For Development & Testing Purposes Only - Synthetic Mock Data
Examples
India GSTIN fixture
State 27 · Company · quantity: 127ABCDE1234F1Z…The final character is calculated by the base-36 checksum engine.
About this tool
GST Number Generator creates invoice and marketplace fixtures for GSTIN, ABN, GST/HST, NZ GST, Singapore GST/UEN and Malaysia SST formats.
India GSTIN generation exposes the state code and PAN entity type so state-aware validators can be tested explicitly.
Use cases
Invoice pipelines
Create rows for tax-field parsing, validation and export tests.
Common mistakes
Mistake:Confusing GST registration with a checksum
Fix:Treat the result as mock data and verify real registrations with the issuing authority.
Frequently asked questions
Related guides
References & standards
Related tools
Tetris
Classic Tetris — stack falling pieces, clear lines and chase your best score with keyboard or touch controls. The board auto-saves in your browser.
Snake
Classic snake game — eat, grow and survive. Swipe on mobile or use the keyboard; the game pauses itself when the tab hides and your best score stays local.
Minesweeper
Classic Minesweeper — clear the field without detonating a mine. Three difficulties, flag mode for touch, guaranteed-safe first click, best times saved locally.
Memory Match
Classic memory pairs game — flip two cards at a time, match all pairs and beat your best moves and time. Three grid sizes, three themes, zero downloads.
2048
Classic 2048 tile puzzle — swipe or use arrow keys to merge equal tiles and reach 2048. Auto-save and best score stay in your browser.
VAT Number Generator
Generate VAT numbers for EU, UK, Switzerland, Norway and global tax integration testing.