diff --git a/README.md b/README.md
index 9077311..e9b1518 100644
--- a/README.md
+++ b/README.md
@@ -113,6 +113,14 @@ video_fps=auto
 audio_format=opus
 # Opus sounds good at low bitrates 32-64k, but aac requires 128-256k.
 audio_bitrate=32k
+
+# Catbox.moe upload settings
+# Whether uploads should go to litterbox instead of catbox.
+# catbox files are stored permanently, while litterbox is temporary
+litterbox=yes
+# If using litterbox, time until video expires
+# Available values: 1h, 12h, 24h, 72h
+litterbox_expire=72h
 ```
 
 ### Key bindings
diff --git a/helpers.lua b/helpers.lua
new file mode 100644
index 0000000..14e5116
--- /dev/null
+++ b/helpers.lua
@@ -0,0 +1,53 @@
+--[[
+Copyright: Ren Tatsumoto and contributors
+License: GNU GPL, version 3 or later; http://www.gnu.org/licenses/gpl.html
+
+Various helper functions.
+]]
+
+local mp = require('mp')
+local this = {}
+
+this.is_wayland = function()
+    return os.getenv('WAYLAND_DISPLAY') ~= nil
+end
+
+this.is_win = function()
+    return mp.get_property('options/vo-mmcss-profile') ~= nil
+end
+
+this.is_mac = function()
+    return mp.get_property('options/macos-force-dedicated-gpu') ~= nil
+end
+
+this.notify = function(message, level, duration)
+    level = level or 'info'
+    duration = duration or 1
+    mp.msg[level](message)
+    mp.osd_message(message, duration)
+end
+
+this.subprocess = function(args, stdin)
+    local command_table = {
+        name = "subprocess",
+        playback_only = false,
+        capture_stdout = true,
+        capture_stderr = true,
+        args = args,
+        stdin_data = (stdin or ""),
+    }
+    return mp.command_native(command_table)
+end
+
+this.subprocess_async = function(args, on_complete)
+    local command_table = {
+        name = "subprocess",
+        playback_only = false,
+        capture_stdout = true,
+        capture_stderr = true,
+        args = args
+    }
+    return mp.command_native_async(command_table, on_complete)
+end
+
+return this
diff --git a/platform.lua b/platform.lua
new file mode 100644
index 0000000..291d286
--- /dev/null
+++ b/platform.lua
@@ -0,0 +1,87 @@
+--[[
+Copyright: Ren Tatsumoto and contributors
+License: GNU GPL, version 3 or later; http://www.gnu.org/licenses/gpl.html
+
+OS-related constants and functions.
+]]
+
+local h = require('helpers')
+local mp = require('mp')
+local utils = require('mp.utils')
+local this = {}
+
+this.Platform = {
+    gnu_linux = "gnu_linux",
+    macos = "macos",
+    windows = "windows",
+}
+this.platform = (
+        h.is_win() and this.Platform.windows
+                or h.is_mac() and this.Platform.macos
+                or this.Platform.gnu_linux
+)
+this.default_video_folder = utils.join_path(
+        (os.getenv("HOME") or os.getenv("USERPROFILE")),
+        (this.platform == this.Platform.macos and "Movies" or "Videos")
+)
+this.default_audio_folder = utils.join_path(
+        (os.getenv("HOME") or os.getenv('USERPROFILE')),
+        "Music"
+)
+this.curl_exe = (this.platform == this.Platform.windows and 'curl.exe' or 'curl')
+this.open_utility = (
+        this.platform == this.Platform.windows and 'explorer.exe'
+                or this.platform == this.Platform.macos and 'open'
+                or this.platform == this.Platform.gnu_linux and 'xdg-open'
+)
+this.open = function(file_or_url)
+    return mp.commandv('run', this.open_utility, file_or_url)
+end
+
+this.clipboard = (function()
+    local self = {}
+    if this.platform == this.Platform.windows then
+        self.clip_exe = "powershell.exe"
+        self.copy = function(text)
+            return h.subprocess({ self.clip_exe, '-command', 'Set-Clipboard -Value ' .. text })
+        end
+    else
+        if this.platform == this.Platform.macos then
+            self.clip_exe = "pbcopy"
+            self.clip_cmd = "LANG=en_US.UTF-8 pbcopy"
+        elseif h.is_wayland() then
+            self.clip_exe = "wl-copy"
+            self.clip_cmd = "wl-copy"
+        else
+            self.clip_exe = "xclip"
+            self.clip_cmd = "xclip -i -selection clipboard"
+        end
+        self.copy = function(text)
+            local handle = io.popen(self.clip_cmd, 'w')
+            if handle then
+                handle:write(text)
+                local suc, exit, code = handle:close()
+                return { status = code }
+            else
+                return { status = 1 }
+            end
+        end
+    end
+    return self
+end)()
+
+this.copy_or_open_url = function(url)
+    local cb = this.clipboard.copy(url)
+    if cb.status ~= 0 then
+        local msg = string.format(
+                "Failed to copy URL to clipboard, trying to open in browser instead. Make sure %s is installed.",
+                this.clipboard.clip_exe
+        )
+        h.notify(msg, "warn", 4)
+        this.open(url)
+    else
+        h.notify("Done! Copied URL to clipboard.", "info", 2)
+    end
+    return cb
+end
+return this
diff --git a/videoclip.lua b/videoclip.lua
index ddb3f17..c36d779 100644
--- a/videoclip.lua
+++ b/videoclip.lua
@@ -22,16 +22,19 @@ local mp = require('mp')
 local mpopt = require('mp.options')
 local utils = require('mp.utils')
 local OSD = require('osd_styler')
+local p = require('platform')
+local h = require('helpers')
 
-local is_macos = io.popen("uname"):read("*a") == "Darwin\n"
+------------------------------------------------------------
+-- System-dependent variables
 
 -- Options can be changed here or in a separate config file.
 -- Config path: ~/.config/mpv/script-opts/videoclip.conf
 local config = {
     -- absolute paths
     -- relative paths (e.g. ~ for home dir) do NOT work.
-    video_folder_path = string.format(is_macos and '%s/Movies/' or '%s/Videos/', os.getenv("HOME") or os.getenv('USERPROFILE')),
-    audio_folder_path = string.format('%s/Music/', os.getenv("HOME") or os.getenv('USERPROFILE')),
+    video_folder_path = p.default_video_folder,
+    audio_folder_path = p.default_audio_folder,
     -- The range of the CRF scale is 0–51, where 0 is lossless,
     -- 23 is the default, and 51 is worst quality possible.
     -- Insane values like 9999 still work but produce the worst quality.
@@ -48,6 +51,10 @@ local config = {
     audio_bitrate = '32k', -- 32k, 64k, 128k, 256k. aac requires higher bitrates.
     font_size = 24,
     clean_filename = true,
+    -- Whether to upload to catbox (permanent) or litterbox (temporary)
+    litterbox = true,
+    -- Determines expire time of files uploaded to litterbox
+    litterbox_expire = '72h', -- 1h, 12h, 24h, 72h
 }
 
 mpopt.read_options(config, NAME)
@@ -124,17 +131,6 @@ local function construct_filename()
     return filename
 end
 
-local function subprocess_async(args, on_complete)
-    local command_table = {
-        name = "subprocess",
-        playback_only = false,
-        capture_stdout = true,
-        capture_stderr = true,
-        args = args
-    }
-    return mp.command_native_async(command_table, on_complete)
-end
-
 local function force_resolution(width, height, clip_fn, ...)
     local cached_prefs = {
         video_width = config.video_width,
@@ -184,11 +180,34 @@ local function validate_config()
     set_encoding_settings()
 end
 
-local function notify(message, level, duration)
-    level = level or 'info'
-    duration = duration or 1
-    mp.msg[level](message)
-    mp.osd_message(message, duration)
+local function upload_to_catbox(outfile)
+    local endpoint = config.litterbox and 'https://litterbox.catbox.moe/resources/internals/api.php' or 'https://catbox.moe/user/api.php'
+    h.notify("Uploading to " .. (config.litterbox and "litterbox.catbox.moe..." or "catbox.moe..."), "info", 9999)
+
+    -- This uses cURL to send a request to the cat-/litterbox API.
+    -- cURL is included on Windows 10 and up, most Linux distributions and macOS.
+
+    local r = h.subprocess({ -- This is technically blocking, but I don't think it has any real consequences ..?
+        p.curl_exe, '-s',
+        '-F', 'reqtype=fileupload',
+        '-F', 'time=' .. config['litterbox_expire'],
+        '-F', 'fileToUpload=@"' .. outfile .. '"',
+        endpoint
+    })
+
+    -- Exit codes in the range [0, 99] are returned by cURL itself.
+    -- Any other exit code means the shell failed to execute cURL.
+    if r.status < 0 or r.status > 99 then
+        h.notify("Error: Failed to upload. Make sure cURL is installed and in your PATH.", "error", 3)
+        return
+    elseif r.status ~= 0 then
+        h.notify("Error: Failed to upload to " .. (config.litterbox and "litterbox.catbox.moe" or "catbox.moe"), "error", 2)
+        return
+    end
+
+    mp.msg.info("Catbox URL: " .. r.stdout)
+    -- Copy to clipboard
+    p.copy_or_open_url(r.stdout)
 end
 
 ------------------------------------------------------------
@@ -282,19 +301,19 @@ encoder.mkargs_audio = function(clip_filename)
     }
 end
 
-encoder.create_clip = function(clip_type)
+encoder.create_clip = function(clip_type, on_complete)
     main_menu:close();
     if clip_type == nil then
         return
     end
 
     if not main_menu.timings:validate() then
-        notify("Wrong timings. Aborting.", "warn", 2)
+        h.notify("Wrong timings. Aborting.", "warn", 2)
         return
     end
 
     local clip_filename = construct_filename()
-    notify("Please wait...", "info", 9999)
+    h.notify("Please wait...", "info", 9999)
 
     local args
     local location
@@ -309,13 +328,16 @@ encoder.create_clip = function(clip_type)
 
     local process_result = function(_, ret, _)
         if ret.status ~= 0 or string.match(ret.stdout, "could not open") then
-            notify(string.format("Error: couldn't create the clip.\nDoes %s exist?", location), "error", 5)
+            h.notify(string.format("Error: couldn't create the clip.\nDoes %s exist?", location), "error", 5)
         else
-            notify(string.format("Clip saved to %s.", location), "info", 2)
+            h.notify(string.format("Clip saved to %s.", location), "info", 2)
+            if on_complete then
+                on_complete(utils.join_path(config.video_folder_path, clip_filename .. config.video_extension))
+            end
         end
     end
 
-    subprocess_async(args, process_result)
+    h.subprocess_async(args, process_result)
     main_menu.timings:reset()
 end
 
@@ -380,8 +402,10 @@ main_menu.keybindings = {
     { key = 'c', fn = function() encoder.create_clip('video') end },
     { key = 'C', fn = function() force_resolution(1920, -2, encoder.create_clip, 'video') end },
     { key = 'a', fn = function() encoder.create_clip('audio') end },
+    { key = 'x', fn = function() main_menu:create_clip_and_upload_to_catbox() end },
+    { key = 'X', fn = function() force_resolution(1920, -2, main_menu.create_clip_and_upload_to_catbox) end },
     { key = 'p', fn = function() pref_menu:open() end },
-    { key = 'o', fn = function() mp.commandv('run', is_macos and "open" or "xdg-open", 'https://streamable.com/') end },
+    { key = 'o', fn = function() p.open('https://streamable.com/') end },
     { key = 'ESC', fn = function() main_menu:close() end },
 }
 
@@ -395,7 +419,7 @@ function main_menu:set_time_sub(property)
     local time_pos = mp.get_property_number(string.format("sub-%s", property))
 
     if time_pos == nil then
-        notify("Warning: No subtitles visible.", "warn", 2)
+        h.notify("Warning: No subtitles visible.", "warn", 2)
         return
     end
 
@@ -425,6 +449,7 @@ function main_menu:update()
     osd:submenu('Create clip '):italics('(+shift to force fullHD preset)'):newline()
     osd:tab():item('c: '):append('video clip'):newline()
     osd:tab():item('a: '):append('audio clip'):newline()
+    osd:tab():item('x: '):append('video clip to ' .. (config.litterbox and 'litterbox.catbox.moe (' .. config.litterbox_expire .. ')' or 'catbox.moe')):newline()
     osd:submenu('Options '):newline()
     osd:tab():item('p: '):append('Open preferences'):newline()
     osd:tab():item('o: '):append('Open streamable.com'):newline()
@@ -433,6 +458,10 @@ function main_menu:update()
     self:overlay_draw(osd:get_text())
 end
 
+function main_menu:create_clip_and_upload_to_catbox()
+    encoder.create_clip('video', upload_to_catbox)
+end
+
 ------------------------------------------------------------
 -- Preferences
 
@@ -445,6 +474,8 @@ pref_menu.keybindings = {
     { key = 'r', fn = function() pref_menu:cycle_resolutions() end },
     { key = 'b', fn = function() pref_menu:cycle_audio_bitrates() end },
     { key = 'e', fn = function() pref_menu:toggle_embed_subtitles() end },
+    { key = 'x', fn = function() pref_menu:toggle_catbox() end },
+    { key = 'z', fn = function() pref_menu:cycle_litterbox_expiration() end },
     { key = 's', fn = function() pref_menu:save() end },
     { key = 'c', fn = function() end },
     { key = 'ESC', fn = function() pref_menu:close() end },
@@ -475,13 +506,14 @@ pref_menu.audio_bitrates = {
 
 pref_menu.vid_formats = { 'mp4', 'vp9', 'vp8', }
 pref_menu.aud_formats = { 'aac', 'opus', }
+pref_menu.litterbox_expirations = { '1h', '12h', '24h', '72h', }
 
 function pref_menu:get_selected_resolution()
-    local w = config.video_width
-    local h = config.video_height
-    w = w == -2 and 'auto' or w
-    h = h == -2 and 'auto' or h
-    return string.format('%s x %s', w, h)
+    return string.format(
+            '%s x %s',
+            config.video_width == -2 and 'auto' or config.video_width,
+            config.video_height == -2 and 'auto' or config.video_height
+    )
 end
 
 function pref_menu:cycle_resolutions()
@@ -536,6 +568,28 @@ function pref_menu:toggle_embed_subtitles()
     self:update()
 end
 
+function pref_menu:toggle_catbox()
+    config['litterbox'] = not config['litterbox']
+    self:update()
+end
+
+function pref_menu:cycle_litterbox_expiration()
+    if not config['litterbox'] then
+        return
+    end
+    local expirations = pref_menu.litterbox_expirations
+
+    local selected = 1
+    for i, expiration in ipairs(expirations) do
+        if config['litterbox_expire'] == expiration then
+            selected = i
+            break
+        end
+    end
+    config['litterbox_expire'] = expirations[selected + 1] or expirations[1]
+    self:update()
+end
+
 function pref_menu:update()
     local osd = OSD:new():size(config.font_size):align(4)
     osd:submenu('Preferences'):newline()
@@ -545,6 +599,14 @@ function pref_menu:update()
     osd:tab():item('b: Audio bitrate: '):append(config.audio_bitrate):newline()
     osd:tab():item('m: Mute audio: '):append(mp.get_property("mute")):newline()
     osd:tab():item('e: Embed subtitles: '):append(mp.get_property("sub-visibility")):newline()
+    osd:submenu('Catbox'):newline()
+    osd:tab():item('x: Using: '):append(config.litterbox and 'Litterbox (temporary)' or 'Catbox (permanent)'):newline()
+    if config.litterbox then
+        osd:tab():item('z: Litterbox expires after: '):append(config.litterbox_expire):newline()
+    else
+        osd:tab():color("b0b0b0"):text('x: Litterbox expires after: '):append("N/A"):newline()
+    end
+    osd:submenu('Save'):newline()
     osd:tab():item('s: Save preferences'):newline()
     self:overlay_draw(osd:get_text())
 end
@@ -574,9 +636,9 @@ function pref_menu:save()
             end
         end
         handle:close()
-        notify("Settings saved.", "info", 2)
+        h.notify("Settings saved.", "info", 2)
     else
-        notify(string.format("Couldn't open %s.", config_filepath), "error", 4)
+        h.notify(string.format("Couldn't open %s.", config_filepath), "error", 4)
     end
 end