diff --git a/devscripts/bash-completion.in b/devscripts/bash-completion.in
index 994bb4e721..c58b9382b7 100644
--- a/devscripts/bash-completion.in
+++ b/devscripts/bash-completion.in
@@ -1,33 +1,84 @@
-__yt_dlp()
-{
-    local cur prev opts fileopts diropts keywords
-    COMPREPLY=()
-    cur="${COMP_WORDS[COMP_CWORD]}"
-    prev="${COMP_WORDS[COMP_CWORD-1]}"
-    opts="{{flags}}"
-    keywords=":ytfavorites :ytrecommended :ytsubscriptions :ytwatchlater :ythistory"
-    fileopts="-a|--batch-file|--download-archive|--cookies|--load-info-json"
-    diropts="--cache-dir"
+_comp_cmd_yt-dlp() {
+    # Not using "$2" and "$3" to partially workaround YouTube keyword completions.
+    local have_bashcomp=0 cur="${COMP_WORDS[COMP_CWORD]}" prev="${COMP_WORDS[COMP_CWORD - 1]}"
 
-    if [[ ${prev} =~ ${fileopts} ]]; then
-        local IFS=$'\n'
-        type compopt &>/dev/null && compopt -o filenames
-        COMPREPLY=( $(compgen -f -- ${cur}) )
-        return 0
-    elif [[ ${prev} =~ ${diropts} ]]; then
-        local IFS=$'\n'
-        type compopt &>/dev/null && compopt -o dirnames
-        COMPREPLY=( $(compgen -d -- ${cur}) )
-        return 0
+    # Long options with equals and YouTube keyword completions
+    # do not work without bash-completion.
+    if declare -F _comp_initialize &> /dev/null; then
+        have_bashcomp=1
+        # Unused variables assigned by _comp_initialize.
+        # shellcheck disable=SC2034
+        local words cword comp_args was_split
+        # ':' must be excluded from COMP_WORDBREAKS to handle :yt* keywords
+        _comp_initialize -n : -s -- "$@" || return
     fi
 
-    if [[ ${cur} =~ : ]]; then
-        COMPREPLY=( $(compgen -W "${keywords}" -- ${cur}) )
-        return 0
-    elif [[ ${cur} == * ]] ; then
-        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
-        return 0
+    local filedir_action
+    case "$prev" in
+        YT_DLP_FILE_OPTS_CASE )
+            filedir_action='file'
+            ;;
+
+        YT_DLP_DIR_OPTS_CASE )
+            filedir_action='directory'
+            ;;
+
+        * )
+            ;;
+    esac
+
+    local compreply_lines
+    if [[ "$filedir_action" ]]; then
+        if (( "$have_bashcomp" )); then
+            if [[ "$filedir_action" = directory ]]; then
+                _comp_compgen_filedir -d
+            else
+                _comp_compgen_filedir
+            fi
+        else
+            # macOS Bash does not have compopt.
+            if type compopt &>/dev/null; then
+                compopt -o filenames
+            fi
+            compreply_lines="$(compgen -A "$filedir_action" -- "$cur")"
+        fi
+    elif [[ "$cur" = :* ]]; then
+        # Adding keywords one by one since macOS Bash
+        # can't initialise a local array from brace expansions.
+        local k keywords
+        for k in :ytnotif{,ication}{,s} \
+                 :ytfav{,o{,u}rite}{,s} \
+                 :ytwatchlater \
+                 :ytrec{,ommended} \
+                 :ytsub{,scription}{,s} \
+                 :ythis{,tory}; do
+            keywords+=("$k")
+        done
+        if (( "$have_bashcomp" )); then
+            _comp_compgen -- -W "${keywords[*]}"
+            _comp_ltrim_colon_completions "$cur"
+        else
+            compreply_lines="$(compgen -W "${keywords[*]}" -- "$cur")"
+            compreply_lines="${compreply_lines//:/}"
+        fi
+    else
+        local -r opts=( YT_DLP_OPTS_ARRAY )
+        if type compopt &> /dev/null; then
+            compopt -o nosort
+        fi
+        if (( "$have_bashcomp" )); then
+            _comp_compgen -- -W "${opts[*]}"
+        else
+            compreply_lines="$(compgen -W "${opts[*]}" -- "$cur")"
+        fi
     fi
-}
 
-complete -F __yt_dlp yt-dlp
+    if [[ "$have_bashcomp" != 1 && "$compreply_lines" ]]; then
+        COMPREPLY=()
+        local line
+        while IFS='' read -r line; do
+            COMPREPLY+=("$line")
+        done <<< "$compreply_lines"
+    fi
+} \
+    && complete -F _comp_cmd_yt-dlp yt-dlp
diff --git a/devscripts/bash-completion.py b/devscripts/bash-completion.py
index 3918ebde86..01dc94ff09 100755
--- a/devscripts/bash-completion.py
+++ b/devscripts/bash-completion.py
@@ -8,23 +8,24 @@ sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 
 import yt_dlp
+from devscripts.utils import gather_completion_opts
 
 BASH_COMPLETION_FILE = 'completions/bash/yt-dlp'
 BASH_COMPLETION_TEMPLATE = 'devscripts/bash-completion.in'
 
 
 def build_completion(opt_parser):
-    opts_flag = []
-    for group in opt_parser.option_groups:
-        for option in group.option_list:
-            # for every long flag
-            opts_flag.append(option.get_opt_string())
+    opts = gather_completion_opts(opt_parser)
+
     with open(BASH_COMPLETION_TEMPLATE) as f:
         template = f.read()
+
+    template = template.replace('YT_DLP_FILE_OPTS_CASE', ' | '.join(opts.file_opts))
+    template = template.replace('YT_DLP_DIR_OPTS_CASE', ' | '.join(opts.dir_opts))
+    template = template.replace('YT_DLP_OPTS_ARRAY', ' '.join(opts.opts))
+
     with open(BASH_COMPLETION_FILE, 'w') as f:
-        # just using the special char
-        filled_template = template.replace('{{flags}}', ' '.join(opts_flag))
-        f.write(filled_template)
+        f.write(template)
 
 
 parser = yt_dlp.parseOpts(ignore_config_files=True)[0]
diff --git a/devscripts/utils.py b/devscripts/utils.py
index b89d01e415..75a2423fdf 100644
--- a/devscripts/utils.py
+++ b/devscripts/utils.py
@@ -2,7 +2,9 @@ import argparse
 import datetime as dt
 import functools
 import re
+import shlex
 import subprocess
+from dataclasses import dataclass
 
 
 def read_file(fname):
@@ -64,3 +66,36 @@ def run_process(*args, **kwargs):
         kwargs.setdefault('encoding', 'utf-8')
         kwargs.setdefault('errors', 'replace')
     return subprocess.run(args, **kwargs)
+
+
+@dataclass
+class YtDlpCompletionOpts:
+    opts: tuple[str, ...]
+    file_opts: tuple[str, ...]
+    dir_opts: tuple[str, ...]
+
+
+def gather_completion_opts(yt_dlp_opt_parser):
+    opts, long_opts = [], []
+    file_opts, dir_opts = [], []
+
+    for opt in yt_dlp_opt_parser._get_all_options():
+        opts.extend(opt._short_opts)
+        long_opts.extend(opt._long_opts)
+        if opt.metavar in {'FILE', 'PATH', 'CERTFILE', 'KEYFILE'}:
+            file_opts.extend(opt._short_opts)
+            file_opts.extend(opt._long_opts)
+        elif opt.metavar == 'DIR':
+            dir_opts.extend(opt._short_opts)
+            dir_opts.extend(opt._long_opts)
+
+    opts.sort()
+    long_opts.sort()
+    opts.extend(long_opts)
+
+    # Escape after sorting.
+    return YtDlpCompletionOpts(
+        tuple(shlex.quote(o) for o in opts),
+        tuple(shlex.quote(o) for o in file_opts),
+        tuple(shlex.quote(o) for o in dir_opts),
+    )
diff --git a/devscripts/zsh-completion.py b/devscripts/zsh-completion.py
index 046e9231f1..13318ef29b 100755
--- a/devscripts/zsh-completion.py
+++ b/devscripts/zsh-completion.py
@@ -8,46 +8,21 @@ sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 
 import yt_dlp
+from devscripts.utils import gather_completion_opts
 
 ZSH_COMPLETION_FILE = 'completions/zsh/_yt-dlp'
 ZSH_COMPLETION_TEMPLATE = 'devscripts/zsh-completion.in'
 
 
 def build_completion(opt_parser):
-    opts = [opt for group in opt_parser.option_groups
-            for opt in group.option_list]
-    opts_file = [opt for opt in opts if opt.metavar == 'FILE']
-    opts_dir = [opt for opt in opts if opt.metavar == 'DIR']
-    opts_path = [opt for opt in opts if opt.metavar == 'PATH']
-
-    fileopts = []
-    for opt in opts_file:
-        if opt._short_opts:
-            fileopts.extend(opt._short_opts)
-        if opt._long_opts:
-            fileopts.extend(opt._long_opts)
-
-    for opt in opts_path:
-        if opt._short_opts:
-            fileopts.extend(opt._short_opts)
-        if opt._long_opts:
-            fileopts.extend(opt._long_opts)
-
-    diropts = []
-    for opt in opts_dir:
-        if opt._short_opts:
-            diropts.extend(opt._short_opts)
-        if opt._long_opts:
-            diropts.extend(opt._long_opts)
-
-    flags = [opt.get_opt_string() for opt in opts]
+    opts = gather_completion_opts(opt_parser)
 
     with open(ZSH_COMPLETION_TEMPLATE) as f:
         template = f.read()
 
-    template = template.replace('{{fileopts}}', '|'.join(fileopts))
-    template = template.replace('{{diropts}}', '|'.join(diropts))
-    template = template.replace('{{flags}}', ' '.join(flags))
+    template = template.replace('{{fileopts}}', '|'.join(opts.file_opts))
+    template = template.replace('{{diropts}}', '|'.join(opts.dir_opts))
+    template = template.replace('{{flags}}', ' '.join(opts.opts))
 
     with open(ZSH_COMPLETION_FILE, 'w') as f:
         f.write(template)
diff --git a/yt_dlp/options.py b/yt_dlp/options.py
index 14b582fc42..7f1c31daaf 100644
--- a/yt_dlp/options.py
+++ b/yt_dlp/options.py
@@ -1535,7 +1535,7 @@ def create_parser():
         help='Netscape formatted file to read cookies from and dump cookie jar in')
     filesystem.add_option(
         '--no-cookies',
-        action='store_const', const=None, dest='cookiefile', metavar='FILE',
+        action='store_const', const=None, dest='cookiefile',
         help='Do not read/dump cookies from/to file (default)')
     filesystem.add_option(
         '--cookies-from-browser',