About this tool

IFSC Decoder & Validator

Validate an IFSC code's format and decode its bank and branch identifiers.

The IFSC Decoder & Validator checks an Indian Financial System Code against the RBI's 11-character structure — four letters for the bank, a reserved 0 in the fifth position, then six letters or digits for the branch — and splits out the bank prefix and branch identifier. It normalises what you paste by stripping spaces and upper-casing, then names the bank for 14 common prefixes such as SBIN, HDFC, ICIC and UTIB. Anyone typing an IFSC into a NEFT, RTGS or IMPS form can catch a malformed code before the transfer is attempted.

How to use IFSC Decoder & Validator

1. 1

   Open IFSC Decoder & Validator on AltFTool — it loads instantly in your browser.

2. 2

   Type or paste the code into the 'IFSC code' field, or load the 'HDFC example' or 'SBI example' preset.

3. 3

   Leave 'Normalize input' on so spaces are removed and the code is upper-cased before the 4 letters + 0 + 6 alphanumerics test runs.

4. 4

   The result reads 'Structurally valid IFSC' or 'Invalid IFSC structure', with rows for Normalized, Bank prefix, Bank and Branch identifier.

Why use IFSC Decoder & Validator

• Checks the actual RBI structure

  Applies the 4 letters + 0 + 6 alphanumeric rule rather than a plain length check, so O-for-zero and short codes are caught.

• Splits bank prefix from branch identifier

  Shows the first four characters and the trailing six separately, which is what you need when comparing two branches of the same bank.

• Says when it does not know

  Prefixes outside its 14-bank convenience list are reported as unknown instead of being guessed at, pointing you to the RBI or the bank.

Common use cases

• You are adding a payee for a salary transfer and the IFSC on the cancelled cheque is handwritten, so you want to confirm the character pattern is even possible before saving the beneficiary.
• A finance assistant is cleaning a vendor master sheet and needs to spot the rows where someone typed the letter O instead of the zero that must sit in position five.
• A developer is writing form validation for a payments screen and wants to see the exact regex shape a real IFSC has to match, with the bank and branch parts separated.

Frequently asked questions