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The tools below can be purchased via either a credit card or a wire transfer. After the purchase you will receive the product license key(s) via email with the instructions how to register it under your account. Need help deciding which product you need? Contact us.

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asn1.io BASIC Annual Subscription ASN.1 Playground and NAS Playground $35 per user, per month (billed annually) License agreement * volume discounts are available * asn1.io PRO Annual Subscription ASN.1 Playground, NAS Playground, ASN.1 Schema Analyzer, ASN1Doc and Visual Studio Code ASN.1 extension. $70 per user, per month (billed annually) License agreement * volume discounts are available * ASN1Vcx Annual Subscription Visual Studio Code ASN.1 extension $17 per user, per month (billed annually) License agreement * volume discounts are available *

		ASN.1 Playground	ASN1Doc	Schema Analyzer	NAS Playground	ASN1Vcx
BASIC	The bundle for your daily needs: you can troubleshoot ASN.1 and NAS encodings and also learn ASN.1-based protocols.	✓	✗	✗	✓	✗
PRO	Adds schema analysis and editing tools to the BASIC bundle, covering most ASN.1 developer needs.	✓	✓	✓	✓	✓
ASN1Vcx	Do you wish to edit ASN.1 schemas or encode/decode/visualize ASN.1 data from the comfort of your favorite IDE? Choose the Visual Studio Code ASN.1 extension.

Features	Free	Commercial (BASIC or PRO)
ASN.1 Playground
Schema Validation	✓	✓
Encoding/Decoding formats	BER/DER/OER/PER/UPER	BER/DER/OER/PER/UPER and COER/CUPER
Support for JSON and XML	✓	✓
Large ASN.1 schemas *	✓	✓
Unlimited number of Compile *	✓	✓
Generate sample ASN.1 Value	✗	✓
Unlimited number of Encode/Decode	✗	✓
Decoding of concatenated PDUs	✗	✓
Decode into CSV format	✗	✓
Automatic encoding/decoding of open types	✗	✓
Relay safe encoding/decoding	✗	✓
Deep nesting in ASN.1 types	✗	✓
Large input values and binary data	✗	✓
Large encoding/decoding diagnostics and decoded data (values)	✗	✓
ASN1Doc
HTML Generation	✓	✓
Microsoft Word compatibility	✓	✓
Processing of Javadoc-style comments	✓	✓
Large ASN.1 schemas *	✓	✓
Page layout formatting	✗	✓
Alignment/Indentation/Tabulation	✗	✓
ASN.1 Schema Analyzer
Design and Naming Analysis	✓	✓
Large ASN.1 schemas *	✓	✓
Performance Analysis	✗	✓
Internationalization Analysis	✗	✓
Versioning Analysis	✗	✓
NAS Playground
NAS message decoding	✓	✓
Unlimited number of Decodes	✗	✓
Large input Message size	✓	✓
Decode to XML	✗	✓
Unlimited Output	✗	✓
ASN1Vcx
Schema Color Coding	✓	✓
Schema Autocompletion	✓	✓
Schema Validation	✓	✓
VS Code Workspace Support	✓	✓
BER/DER/OER/COER/PER/UPER/CPER/CUPER/JER	✓	✓
Decode binary to tree view	✓	✓
Decode binary to text (binary to ASN.1 value notation)	✗	✓
Encode text to binary (ASN.1 value notation to binary)	✗	✓
Generate random ASN.1 Value	✗	✓
* The feature available for signed in users (no purchase necessary).