diff --git a/README.md b/README.md
index 133e7c6..a248d7c 100644
--- a/README.md
+++ b/README.md
@@ -6,9 +6,10 @@
 
 * open links without `netrw`
 * normal and visual mode support
-* open links with/without an explicit protocol (e.g. `google.com` will open `https://google.com`)
+* links with/without an explicit protocol (e.g. `google.com` will open `https://google.com`)
 * open plugins in the browser with a single command (e.g. in lazy, packer you can hover over a plugin name, simply press `gx` and you get to the github page of the plugin)
 * open github issues directly in the browser (e.g. `Fixes #22` opens `https://github.com/chrishrb/gx.nvim/issues/22`)
+* plugins from `package.json` (e.g. line `"express": "^4.18.2",` in the `package.json` opens `https://www.npmjs.com/package/vue-router`)
 * more to come (jira issues, ..)
 
 ## ⚡️ Requirements
@@ -26,6 +27,7 @@ require("lazy").setup({
   {
     "chrishrb/gx.nvim",
     event = { "BufEnter" },
+    dependencies = { "nvim-lua/plenary.nvim" },
     config = true, -- default settings
 
     -- you can specify also another config if you want
@@ -34,6 +36,7 @@ require("lazy").setup({
       handlers = {
         plugin = true, -- open plugin links in lua (e.g. packer, lazy, ..)
         github = true, -- open github issues
+        package_json = true, -- open plugins from package.json
       },
     } end,
   },
@@ -50,5 +53,4 @@ When your cursor is over a link or you mark a link or part of a link with the vi
 
 ## 📄 Acknowledgements
 
-* Source code of `shell.lua` is partly from [lua-shell](https://github.com/ncopa/lua-shell)
 * lua functions library [plenary.nvim](https://github.com/nvim-lua/plenary.nvim)
diff --git a/lua/gx/handler.lua b/lua/gx/handler.lua
index e4cb14e..0d6be18 100644
--- a/lua/gx/handler.lua
+++ b/lua/gx/handler.lua
@@ -1,36 +1,33 @@
+local helper = require("gx.helper")
+local package_json_handler = require("gx.handlers.package_json")
 local plugin_handler = require("gx.handlers.plugin")
 local url_handler = require("gx.handlers.url")
 local github_handler = require("gx.handlers.github")
 
 local M = {}
 
-local function is_correct_filetype(handler_filetype, file_filetype)
-  if not handler_filetype then
-    return true
-  end
-  if handler_filetype == file_filetype then
-    return true
-  end
-  return false
-end
-
-local function add_handler(handlers, handler, file_filetype, active)
-  if not active or not is_correct_filetype(handler.filetype, file_filetype) then
+local function add_handler(handlers, handler, active)
+  if
+    not active
+    or not helper.check_filetype(handler.filetype)
+    or not helper.check_filename(handler.filename)
+  then
     return
   end
   table.insert(handlers, handler)
 end
 
 -- handler function
-function M.get_url(mode, line, file_filetype, activated_handlers)
+function M.get_url(mode, line, activated_handlers)
   local url
   local handlers = {}
   local tkeys = {}
 
   -- ### add here new handlers
-  add_handler(handlers, plugin_handler, file_filetype, activated_handlers.plugin)
-  add_handler(handlers, github_handler, file_filetype, activated_handlers.github)
-  add_handler(handlers, url_handler, file_filetype, true)
+  add_handler(handlers, package_json_handler, activated_handlers.package_json)
+  add_handler(handlers, plugin_handler, activated_handlers.plugin)
+  add_handler(handlers, github_handler, activated_handlers.github)
+  add_handler(handlers, url_handler, true)
   -- ###
 
   for k in pairs(handlers) do
diff --git a/lua/gx/handlers/github.lua b/lua/gx/handlers/github.lua
index 368a1ce..2b24a57 100644
--- a/lua/gx/handlers/github.lua
+++ b/lua/gx/handlers/github.lua
@@ -3,8 +3,9 @@ local git = require("gx.git")
 
 local M = {}
 
--- every filetype
+-- every filetype and filename
 M.filetype = nil
+M.filename = nil
 
 -- navigate to neovim github plugin url
 function M.handle(mode, line)
diff --git a/lua/gx/handlers/package_json.lua b/lua/gx/handlers/package_json.lua
new file mode 100644
index 0000000..05b2938
--- /dev/null
+++ b/lua/gx/handlers/package_json.lua
@@ -0,0 +1,19 @@
+local helper = require("gx.helper")
+
+local M = {}
+
+-- only package.json
+M.filetype = "json"
+M.filename = "package.json"
+
+-- navigate to neovim github plugin url
+function M.handle(mode, line)
+  local pattern = '["]([^%s]*)["]:'
+  local npm_package = helper.find(line, mode, pattern)
+  if not npm_package then
+    return
+  end
+  return "https://www.npmjs.com/package/" .. npm_package
+end
+
+return M
diff --git a/lua/gx/handlers/plugin.lua b/lua/gx/handlers/plugin.lua
index 91b9ff0..c07ff3d 100644
--- a/lua/gx/handlers/plugin.lua
+++ b/lua/gx/handlers/plugin.lua
@@ -2,7 +2,9 @@ local helper = require("gx.helper")
 
 local M = {}
 
+-- every filename but only lua
 M.filetype = "lua"
+M.filename = nil
 
 -- navigate to neovim github plugin url
 function M.handle(mode, line)
diff --git a/lua/gx/handlers/url.lua b/lua/gx/handlers/url.lua
index f389c37..09fe606 100644
--- a/lua/gx/handlers/url.lua
+++ b/lua/gx/handlers/url.lua
@@ -4,15 +4,16 @@ local M = {}
 
 -- every filetype
 M.filetype = nil
+M.filename = nil
 
 -- get url from line (with http/s)
 function M.handle(mode, line)
-  local pattern = "(https?://[a-zA-Z0-9_/%-%.~@\\+#]+)"
+  local pattern = "(https?://[a-zA-Z0-9_/%-%.~@\\+#=?&]+)"
   local url = helper.find(line, mode, pattern)
 
   -- match url without http(s)
   if not url then
-    pattern = "([a-zA-Z0-9_/%-%.~@\\+#]+%.[a-zA-Z0-9_/%-%.~@\\+#]+)"
+    pattern = "([a-zA-Z0-9_/%-%.~@\\+#]+%.[a-zA-Z0-9_/%-%.~@\\+#%=?&]+)"
     url = helper.find(line, mode, pattern)
     if url then
       return "https://" .. url
diff --git a/lua/gx/helper.lua b/lua/gx/helper.lua
index 2fcbbb2..c3f77b3 100644
--- a/lua/gx/helper.lua
+++ b/lua/gx/helper.lua
@@ -60,4 +60,33 @@ function M.ternary(cond, T, F)
   end
 end
 
+-- check for filetype
+function M.check_filetype(handler_filetype)
+  local file_filetype = vim.bo.filetype
+  if not handler_filetype then
+    return true
+  end
+  if handler_filetype == file_filetype then
+    return true
+  end
+  return false
+end
+
+-- get filename
+function M.get_filename()
+  return vim.fn.expand("%:t")
+end
+
+-- check for filename
+function M.check_filename(handler_filename)
+  local filename = M.get_filename()
+  if not handler_filename then
+    return true
+  end
+  if handler_filename == filename then
+    return true
+  end
+  return false
+end
+
 return M
diff --git a/lua/gx/init.lua b/lua/gx/init.lua
index 1a8cdcb..5dff664 100644
--- a/lua/gx/init.lua
+++ b/lua/gx/init.lua
@@ -12,13 +12,12 @@ local M = {}
 local function search_for_url()
   local line = vim.api.nvim_get_current_line()
   local mode = vim.api.nvim_get_mode().mode
-  local filetype = vim.bo.filetype
 
   -- cut if in visual mode
   line = helper.cut_with_visual_mode(mode, line)
 
   -- search for url
-  local url = handler.get_url(mode, line, filetype, M.options.handlers)
+  local url = handler.get_url(mode, line, M.options.handlers)
 
   if not url then
     return
@@ -56,6 +55,11 @@ local function with_defaults(options)
     handlers = {
       plugin = helper.ternary(options.handlers.plugin ~= nil, options.handlers.plugin, true),
       github = helper.ternary(options.handlers.github ~= nil, options.handlers.github, true),
+      package_json = helper.ternary(
+        options.handlers.package_json ~= nil,
+        options.handlers.package_json,
+        true
+      ),
     },
   }
 end
diff --git a/test/spec/gx/handler_spec.lua b/test/spec/gx/handler_spec.lua
index 91ffed5..af39c9a 100644
--- a/test/spec/gx/handler_spec.lua
+++ b/test/spec/gx/handler_spec.lua
@@ -1,79 +1,97 @@
+local helper = require("gx.helper")
 local handler = require("gx.handler")
+local stub = require("luassert.stub")
 
 describe("test handler", function()
   local activated_handlers = {
     plugin = false,
+    github = false,
+    package_json = false,
   }
 
+  before_each(function()
+    before_mock_filetype = vim.bo.filetype
+  end)
+
+  after_each(function()
+    vim.bo.filetype = before_mock_filetype
+  end)
+
   it("no extra handlers on", function()
-    local filetype = "lua"
+    -- mock filetype
+    vim.bo.filetype = "lua"
 
+    assert.equals("https://github.com", handler.get_url("v", "github.com", activated_handlers))
     assert.equals(
       "https://github.com",
-      handler.get_url("v", "github.com", filetype, activated_handlers)
+      handler.get_url("v", "https://github.com", activated_handlers)
     )
-    assert.equals(
-      "https://github.com",
-      handler.get_url("v", "https://github.com", filetype, activated_handlers)
-    )
-    assert.equals(
-      nil,
-      handler.get_url("v", '"example_user/example_plugin"', "lua", activated_handlers)
-    )
-    assert.equals(nil, handler.get_url("v", "Fixes #22", filetype, activated_handlers))
+    assert.equals(nil, handler.get_url("v", '"example_user/example_plugin"', activated_handlers))
+    assert.equals(nil, handler.get_url("v", "Fixes #22", activated_handlers))
   end)
 
   it("plugin handler on", function()
-    local filetype = "lua"
     activated_handlers.plugin = true
 
+    -- mock filetype
+    vim.bo.filetype = "lua"
+
+    assert.equals("https://github.com", handler.get_url("v", "github.com", activated_handlers))
     assert.equals(
       "https://github.com",
-      handler.get_url("v", "github.com", filetype, activated_handlers)
-    )
-    assert.equals(
-      "https://github.com",
-      handler.get_url("v", "https://github.com", filetype, activated_handlers)
+      handler.get_url("v", "https://github.com", activated_handlers)
     )
     assert.equals(
       "https://github.com/example_user/example_plugin",
-      handler.get_url("v", '"example_user/example_plugin"', filetype, activated_handlers)
+      handler.get_url("v", '"example_user/example_plugin"', activated_handlers)
     )
   end)
 
   it("plugin handler on wrong filetype", function()
-    local filetype = "java"
     activated_handlers.plugin = true
 
+    -- mock filetype
+    vim.bo.filetype = "java"
+
+    assert.equals("https://github.com", handler.get_url("v", "github.com", activated_handlers))
     assert.equals(
       "https://github.com",
-      handler.get_url("v", "github.com", filetype, activated_handlers)
-    )
-    assert.equals(
-      "https://github.com",
-      handler.get_url("v", "https://github.com", filetype, activated_handlers)
-    )
-    assert.equals(
-      nil,
-      handler.get_url("v", '"example_user/example_plugin"', filetype, activated_handlers)
+      handler.get_url("v", "https://github.com", activated_handlers)
     )
+    assert.equals(nil, handler.get_url("v", '"example_user/example_plugin"', activated_handlers))
   end)
 
   it("plugin handler on", function()
-    local filetype = "lua"
     activated_handlers.github = true
 
+    -- mock filetype
+    vim.bo.filetype = "lua"
+
+    assert.equals("https://github.com", handler.get_url("v", "github.com", activated_handlers))
     assert.equals(
       "https://github.com",
-      handler.get_url("v", "github.com", filetype, activated_handlers)
+      handler.get_url("v", "https://github.com", activated_handlers)
     )
     assert.equals(
-      "https://github.com",
-      handler.get_url("v", "https://github.com", filetype, activated_handlers)
+      "https://github.com/chrishrb/gx.nvim/issues/22",
+      handler.get_url("v", "Fixes #22", activated_handlers)
     )
+  end)
+
+  it("package_json handler on", function()
+    activated_handlers.package_json = true
+
+    -- mock filetype
+    vim.bo.filetype = "json"
+
+    stub(helper, "get_filename")
+    helper.get_filename.on_call_with().returns("package.json")
+
     assert.equals(
-      "https://github.com/chrishrb/gx.nvim/issues/22",
-      handler.get_url("v", "Fixes #22", filetype, activated_handlers)
+      "https://www.npmjs.com/package/@rushstack/eslint-patch",
+      handler.get_url("v", '"@rushstack/eslint-patch": "^1.2.0",', activated_handlers)
     )
+
+    helper.get_filename:revert()
   end)
 end)
diff --git a/test/spec/gx/handlers/package_json_handler_spec.lua b/test/spec/gx/handlers/package_json_handler_spec.lua
new file mode 100644
index 0000000..f59a672
--- /dev/null
+++ b/test/spec/gx/handlers/package_json_handler_spec.lua
@@ -0,0 +1,22 @@
+local handler = require("gx.handlers.package_json")
+
+describe("package_json_handler_does_work", function()
+  it("package_json", function()
+    assert.equals(
+      "https://www.npmjs.com/package/@cucumber/cucumber",
+      handler.handle("v", '"@cucumber/cucumber": "^9.0.1",')
+    )
+    assert.equals(
+      "https://www.npmjs.com/package/@prisma/client",
+      handler.handle("v", '"@prisma/client": "^4.11.0",')
+    )
+    assert.equals(
+      "https://www.npmjs.com/package/express",
+      handler.handle("v", '"express": "^4.18.2",')
+    )
+    assert.equals(
+      "https://www.npmjs.com/package/vue-router",
+      handler.handle("v", '"vue-router": "^4.1.6"')
+    )
+  end)
+end)
diff --git a/test/spec/gx/handlers/url_handler_spec.lua b/test/spec/gx/handlers/url_handler_spec.lua
index 6399060..b246615 100644
--- a/test/spec/gx/handlers/url_handler_spec.lua
+++ b/test/spec/gx/handlers/url_handler_spec.lua
@@ -26,6 +26,13 @@ describe("url_parser_does_work", function()
       "https://github.com/chrishrb/gx.nvim/#-installation",
       handler.handle("v", "github.com/chrishrb/gx.nvim/#-installation")
     )
+    assert.equals(
+      "https://signin.aws.amazon.com/switchrole?roleName=my-role&account=111111111",
+      handler.handle(
+        "v",
+        "https://signin.aws.amazon.com/switchrole?roleName=my-role&account=111111111"
+      )
+    )
   end)
 
   it("urls in markdown", function()
diff --git a/test/spec/gx/helper_spec.lua b/test/spec/gx/helper_spec.lua
index 096a849..7695e69 100644
--- a/test/spec/gx/helper_spec.lua
+++ b/test/spec/gx/helper_spec.lua
@@ -3,15 +3,15 @@ local mock = require("luassert.mock")
 
 describe("gx.nvim:", function()
   before_each(function()
-    get_filetype_mock = mock(vim.api, true)
+    m = mock(vim.api, true)
   end)
 
   after_each(function()
-    mock.revert(get_filetype_mock)
+    mock.revert(m)
   end)
 
   it("cursor is on url", function()
-    get_filetype_mock.nvim_win_get_cursor.on_call_with(0).returns({ _, 5 })
+    m.nvim_win_get_cursor.on_call_with(0).returns({ _, 5 })
 
     assert.True(helper.check_if_cursor_on_url("n", 1, 10))
     assert.True(helper.check_if_cursor_on_url("n", 1, 6))