Click Decode Button to View Decode Result
ASN.1 Decode Online
This online tool allows you to quickly and easily decode ASN.1 encoded data into a human-readable format. Simply paste your ASN.1 data (in DER or BER format, including PEM encoded certificates) into the input box, OR upload a file containing the ASN.1 data. The tool will parse and display the structure and values within the ASN.1 object.
This tool incorporates code from the following projects:
✨ 👉 https://github.com/lapo-luchini/asn1js
Input BEM/PEM String to DECODE
OR Select DER/BEM/PEM File to DECODE
Options and Decode
Decode Result
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