Track 1 Decoder
Track 1 Decoder is a free online decoder that helps you decode an ISO 7813 Track 1 magstripe string into PAN, cardholder name, expiry and service code. Track 1 Decoder uses 1 input field, returns 6 output values, and runs in your browser on the device.
Key facts
- Inputs
- 1 field: Track 1 data
- Outputs
- 6 values: PAN, Cardholder name, Expiry year (YY), Expiry month (MM), Service code, and Discretionary data
- Runtime
- your browser on the device
- Mode
- Decoder
- Privacy
- Files and text stay in the browser session.
- Cost
- $0, no account required
How to use Track 1 Decoder
- 1
Paste or fill in the input
Enter your text or values into the input fields on the page.
- 2
Run the utility
Click Compute to run the utility in your browser and review the result.
- 3
Copy the output
Copy the output value you need from the result panel.
Track 1 Decoder details
First, enter Track 1 data in Track 1 Decoder. Next, review PAN, Cardholder name, Expiry year (YY), Expiry month (MM), Service code, and Discretionary data. Additionally, Track 1 Decoder uses 1 input field and 6 output blocks so the result is easy to scan and copy.
Parses the Format B Track 1 stripe (the line starting with %B) into its constituent fields. Useful when working with capture data from magstripe readers or for sanity-checking test track data. Runs entirely in your browser.
Common searches
- track 1 decoder
- track 1 parser
- iso 7813 track 1
- magstripe decoder
- magstripe track 1
- format b track decoder
Related tools
Tools that work with the same formats — most users open one of these next.
EMV TLV Decoder
Decode EMV / ISO 7816 BER-TLV hex into a labelled tree of tags, lengths and values.
Track 2 Decoder
Decode an ISO 7813 Track 2 magstripe string into PAN, expiry, service code and discretionary data.
SWIFT / BIC Validator
Validate a SWIFT/BIC code format and break it down into bank, country, location and branch fields.
MCC Lookup
Look up an ISO 18245 Merchant Category Code by 4-digit code or by name fragment.
Card PAN Formatter
Format a card number for display — brand-aware grouping plus a masked version safe to show in receipts.
Luhn Check
Validate a card number with the Luhn (mod-10) algorithm — runs locally in your browser.
Frequently asked
What is Track 1 Decoder?
Track 1 Decoder is a free online decoder that helps you decode an ISO 7813 Track 1 magstripe string into PAN, cardholder name, expiry and service code. Track 1 Decoder uses 1 input field, returns 6 output values, and runs in your browser on the device.
What inputs and outputs does Track 1 Decoder use?
Track 1 Decoder uses 1 input field: Track 1 data. Track 1 Decoder returns 6 output values: PAN, Cardholder name, Expiry year (YY), Expiry month (MM), Service code, and Discretionary data.
Do my files and data stay private?
Yes. Track 1 Decoder runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use Track 1 Decoder?
Open Track 1 Decoder, paste or fill in the input fields, and the result updates instantly. Track 1 Decoder runs in your browser with no upload and no waiting.
Which browsers does Track 1 Decoder support?
Any modern browser works in Chrome, Firefox, Safari, and Edge on desktop and mobile. Track 1 Decoder uses standard web APIs and does not require any plugin, extension, or sign-up.