GSTIN Validator - Offline
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Everyone
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About this app
Check any GSTIN offline — no internet, no login, no sign-up.
GSTIN Check validates the structure of an Indian GST identification number on your phone. Paste a number from an invoice or type it in, and see whether the format is correct before you raise a bill for the wrong party.
Disclaimer: GSTIN Check is not affiliated with, endorsed by, or connected to the Government of India, the GST Council, CBIC or GSTN. This app only checks GSTIN structure offline — a valid format does not mean the number is registered or active. For official GST registration status, taxpayer details, and other government information, use the Government of India GST Portal: https://www.gst.gov.in/
WHAT IT CHECKS
• Length, characters and state code
• Embedded PAN and holder type
• Registration counter and mod-36 check digit
• Suggested fix when the check digit looks like a typo
• Copy or share the decoded breakdown
• Recent checks saved on this device only
WORKS 100% OFFLINE
Every check runs on your phone. There is no server and no account. It works on a train, in a basement, or with mobile data off.
YOUR DATA STAYS YOURS
GSTINs you type stay on the device. We never receive them — we don't operate a server that could. See our privacy policy for exactly what the advertising SDK collects.
HONEST ABOUT ADS
One small banner at the bottom. Prefer none at all? Remove ads with a single one-time purchase — not a subscription, and it will never auto-renew.
Questions or bugs: hello@madovertech.io
GSTIN Check validates the structure of an Indian GST identification number on your phone. Paste a number from an invoice or type it in, and see whether the format is correct before you raise a bill for the wrong party.
Disclaimer: GSTIN Check is not affiliated with, endorsed by, or connected to the Government of India, the GST Council, CBIC or GSTN. This app only checks GSTIN structure offline — a valid format does not mean the number is registered or active. For official GST registration status, taxpayer details, and other government information, use the Government of India GST Portal: https://www.gst.gov.in/
WHAT IT CHECKS
• Length, characters and state code
• Embedded PAN and holder type
• Registration counter and mod-36 check digit
• Suggested fix when the check digit looks like a typo
• Copy or share the decoded breakdown
• Recent checks saved on this device only
WORKS 100% OFFLINE
Every check runs on your phone. There is no server and no account. It works on a train, in a basement, or with mobile data off.
YOUR DATA STAYS YOURS
GSTINs you type stay on the device. We never receive them — we don't operate a server that could. See our privacy policy for exactly what the advertising SDK collects.
HONEST ABOUT ADS
One small banner at the bottom. Prefer none at all? Remove ads with a single one-time purchase — not a subscription, and it will never auto-renew.
Questions or bugs: hello@madovertech.io
Check a GSTIN offline. Spot typos, decode state, PAN and check digit.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
What’s new
Updated app name and independent status wording. Offline GST format validation improvements.
App support
About the developer
MAD OVER TECHNOLOGY
hello@madovertech.io
Second Floor, Plot No 21, Panchsheel Park, G.T. Road, Sahibabad
Ghaziabad, Uttar Pradesh 201005
India
+91 90134 44867
