Skip to content
DT
en fr ru

ASN.1 DER decoder

Decode a DER or BER structure from hex or base64 into a tree of tags, lengths and values.

Input

Fill in the fields below, then run the tool.

Processed on the server and never stored. Press Ctrl/⌘ + Enter to run.

Clear

About this tool

Decode a DER or BER structure from hex or base64 into a tree of tags, lengths and values.

Related tools

IEEE 754 explorer
Decompose a float into sign, exponent and mantissa, with neighbours, ULP and round-trip error.
Development utilities
Chmod calculator
Convert an octal or symbolic file mode into numeric, symbolic and special-bit forms.
Development utilities
Diff and patch generator
Produce a unified diff between two texts with configurable context and an optional patch header.
Development utilities
Cron expression generator
Build a five-field cron expression from a preset or field by field, with the next runs.
Development utilities