---
name: "jose-b64-dec"
section: "1"
platform: "linux"
package: "jose"
version: "15-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/jose-b64-dec"
---

# jose-b64-dec(1)

Decodes URL-safe Base64 data to binary

## NAME

jose-b64-dec - Decodes URL-safe Base64 data to binary

## SYNOPSIS

**jose b64 dec** -i B64 \[-O BIN\]

## OVERVIEW

The **jose b64 dec** command decodes URL-safe Base64 data to binary format.

## OPTIONS

• **-i** *FILE*, **--base64**=*FILE* : Read Base64 (URL-safe) data from FILE

• **-i** -, **--base64**=- : Read Base64 (URL-safe) data from standard input

• **-O** *FILE*, **--binary**=*FILE* : Write binary data to FILE

• **-O** -, **--binary**=- : Write binary data to standard output

## EXAMPLES

Decode a simple message:

```
$ echo SGVsbG8sIFdvcmxkCg | jose b64 dec -i-
Hello, World
```

## AUTHOR

Nathaniel McCallum \<npmccallum@redhat.com\>

## SEE ALSO

[**jose-b64-enc**(1)](/jose-b64-enc/1.md)