diff --git a/README.md b/README.md
index 1dc58033..8f1cbb5b 100644
--- a/README.md
+++ b/README.md
@@ -249,6 +249,7 @@ option.
 | `           --wc` | `wc` command parser                                     | [details](https://kellyjonbrazil.github.io/jc/docs/parsers/wc)             |
 | `          --who` | `who` command parser                                    | [details](https://kellyjonbrazil.github.io/jc/docs/parsers/who)            |
 | `          --xml` | XML file parser                                         | [details](https://kellyjonbrazil.github.io/jc/docs/parsers/xml)            |
+| `    --x509-cert` | X.509 PEM and DER certificate file parser               | [details](https://kellyjonbrazil.github.io/jc/docs/parsers/x509_cert)      |
 | `       --xrandr` | `xrandr` command parser                                 | [details](https://kellyjonbrazil.github.io/jc/docs/parsers/xrandr)         |
 | `         --yaml` | YAML file parser                                        | [details](https://kellyjonbrazil.github.io/jc/docs/parsers/yaml)           |
 | `      --zipinfo` | `zipinfo` command parser                                | [details](https://kellyjonbrazil.github.io/jc/docs/parsers/zipinfo)        |
diff --git a/docs/parsers/x509_cert.md b/docs/parsers/x509_cert.md
new file mode 100644
index 00000000..bb8d1ffa
--- /dev/null
+++ b/docs/parsers/x509_cert.md
@@ -0,0 +1,62 @@
+[Home](https://kellyjonbrazil.github.io/jc/)
+<a id="jc.parsers.x509_cert"></a>
+
+# jc.parsers.x509\_cert
+
+jc - JSON Convert X.509 Certificate format file parser
+
+This parser will convert DER and PEM encoded X.509 certificates.
+
+Usage (cli):
+
+    $ cat certificate.pem | jc --x509-cert
+
+Usage (module):
+
+    import jc
+    result = jc.parse('x509_cert', x509_cert_file_output)
+
+Schema:
+
+    [
+      {
+        "x509_cert":     string,
+        "bar":     boolean,
+        "baz":     integer
+      }
+    ]
+
+Examples:
+
+    $ cat certificate.pem | jc --x509-cert -p
+    []
+
+    $ cat certificate.der | jc --x509-cert -p -r
+    []
+
+<a id="jc.parsers.x509_cert.parse"></a>
+
+### parse
+
+```python
+def parse(data: Union[str, bytes],
+          raw: bool = False,
+          quiet: bool = False) -> List[Dict]
+```
+
+Main text parsing function
+
+Parameters:
+
+    data:        (string)  text data to parse
+    raw:         (boolean) unprocessed output if True
+    quiet:       (boolean) suppress warning messages if True
+
+Returns:
+
+    List of Dictionaries. Raw or processed structured data.
+
+### Parser Information
+Compatibility:  linux, darwin, cygwin, win32, aix, freebsd
+
+Version 1.0 by Kelly Brazil (kellyjonbrazil@gmail.com)
diff --git a/docs/utils.md b/docs/utils.md
index 7dac5f2e..0004f63f 100644
--- a/docs/utils.md
+++ b/docs/utils.md
@@ -102,20 +102,23 @@ Returns:
 ### has\_data
 
 ```python
-def has_data(data: str) -> bool
+def has_data(data: Union[str, bytes]) -> bool
 ```
 
-Checks if the input contains data. If there are any non-whitespace
-characters then return `True`, else return `False`.
+Checks if the string input contains data. If there are any
+non-whitespace characters then return `True`, else return `False`.
+
+For bytes, returns True if there is any data.
 
 Parameters:
 
-    data:        (string) input to check whether it contains data
+    data:        (string, bytes) input to check whether it contains data
 
 Returns:
 
     Boolean      True if input string (data) contains non-whitespace
-                 characters, otherwise False
+                 characters, otherwise False. For bytes data, returns
+                 True if there is any data, otherwise False.
 
 <a id="jc.utils.convert_to_int"></a>
 
diff --git a/jc/parsers/x509_cert.py b/jc/parsers/x509_cert.py
index 70f3bd34..91b7d08c 100644
--- a/jc/parsers/x509_cert.py
+++ b/jc/parsers/x509_cert.py
@@ -1,6 +1,6 @@
 """jc - JSON Convert X.509 Certificate format file parser
 
-This parser will convert DER, PEM, and PKCS#12 encoded X.509 certificates.
+This parser will convert DER and PEM encoded X.509 certificates.
 
 Usage (cli):
 
@@ -40,7 +40,7 @@ from jc.parsers.asn1crypto import pem, x509
 class info():
     """Provides parser metadata (version, author, etc.)"""
     version = '1.0'
-    description = 'X.509 certificate file parser'
+    description = 'X.509 PEM and DER certificate file parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
     details = 'Using the asn1crypto library at https://github.com/wbond/asn1crypto/releases/tag/1.5.1'
diff --git a/man/jc.1 b/man/jc.1
index 26a57544..072cc9ed 100644
--- a/man/jc.1
+++ b/man/jc.1
@@ -1,4 +1,4 @@
-.TH jc 1 2022-06-30 1.20.1 "JSON Convert"
+.TH jc 1 2022-07-05 1.20.1 "JSON Convert"
 .SH NAME
 \fBjc\fP \- JSON Convert JSONifies the output of many CLI tools and file-types
 .SH SYNOPSIS
@@ -522,6 +522,11 @@ Key/Value file parser
 \fB--xml\fP
 XML file parser
 
+.TP
+.B
+\fB--x509-cert\fP
+X.509 PEM and DER certificate file parser
+
 .TP
 .B
 \fB--xrandr\fP