encoder/decoder

asn.1 playground

Compile, Encode, Decode

Provide your schema or use a standard one to encode or decode your data.

schema tool

schema analyzer

Improve your schema

Multiple rules across multiple categories to improve your schema.

encoder/decoder

nas playground

Decode NAS Messages

Troubleshoot your NAS messages by converting them from binary to text.

encoder/decoder

pki/der inspector

Inspect crypto data

Troubleshoot certificates, keys and other PKI data.

schema tool

asn.1/python

new

Python all-source encoder/decoder

Get the data bindings for your schema, encode, decode, validate your data.

ASN.1/Python presentation
SLIDES

encoder/decoder

cdr inspector

new

Call Data Records Decoder

Troubleshoot and validate telecom Charging Data Records and schemas. Various formats are supported.

CDR Inspector presentation
SLIDES

converter

json/ schema2asn

Have JSON? Get ASN.1

Infer an ASN.1 schema from JSON with a few clicks.

converter

proto2asn

Migrate Proto schema into ASN.1 schema

Try an international standard alternative for Google Protocol Buffers.

schema tool

asn1vcx

Microsoft VS Code extension

ASN.1 syntax highlighter, validator, with autocomplete, encode and decode, for Visual Studio Code.

schema tool

asn1doc

Document your schema

Create an HTML document from your schema with a few clicks.

schema tool

asn.1/c web

new (beta)

C all-source encoder/decoder

Get the data bindings for your schema, encode, decode, validate your data.

DESKTOP ASN.1 tools and compilers.

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schema tool

asn.1/Rust

new (beta)

All-source Rust encoder/decoder

Get the data bindings for your schema, encode, decode, validate your data.