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Browser Extensions · head to head

Tampermonkey vs Vue.js Devtools

Tampermonkey logo

Tampermonkey

Browser Extensions

The most popular userscript manager

From
Free
Rated
-
Full reviewWebsite
Vue.js Devtools logo

Vue.js Devtools

Browser Extensions

Browser DevTools extension for debugging Vue.js

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Tampermonkey only source code up to version 2.9 is GPLv3; all newer versions are distributed under a proprietary license despite the extension itself being free to use; Vue.js Devtools primarily a developer debugging tool, not intended for production use
  • They diverge on capability: Tampermonkey covers Userscript management, Vue.js Devtools covers Component tree.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Tampermonkey and Vue.js Devtools actually diverge.

Attributes where Tampermonkey and Vue.js Devtools differ
AttributeTampermonkeyVue.js Devtools
Pricing modelopen-sourceUnknown
PlatformsWeb, Windows, macOS, Linux, AndroidBrowser extensions, Vite plugin, Standalone app
Founded20102014

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Browser Extensions).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Tampermonkey

  • Userscript management
  • Script editor
  • Auto-update
  • Cloud sync
  • Safari support
  • Opera support

Only in Vue.js Devtools

  • Component tree
  • Vuex state
  • Vue Router
  • Performance timeline

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

The jobs each tool is most often brought in to do.

Tampermonkey

  • Auto-run custom JavaScript to add features to specific websitesnot Vue.js Devtools
  • Block ads, remove clutter, or reformat page layout via community/personal userscriptsnot Vue.js Devtools
  • Run scripts sourced from Greasy Fork or similar userscript repositoriesnot Vue.js Devtools
  • Automate repetitive web tasks such as form-filling or redirect skipping via installed scriptsnot Vue.js Devtools

Vue.js Devtools

  • Vue.js component hierarchy inspectionnot Tampermonkey
  • Application state debuggingnot Tampermonkey
  • Component relationship visualizationnot Tampermonkey

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Tampermonkey

  • Only source code up to version 2.9 is GPLv3; all newer versions are distributed under a proprietary license despite the extension itself being free to use
  • Under Manifest V3, GM_webRequest is not (yet) supported
  • Under Manifest V3, GM_xmlhttpRequest fires only one progress event instead of streaming progress, requiring a responseType: 'stream' workaround
  • Since v5.3.2, Chrome/Edge (MV3) requires the user to manually enable Developer Mode, or from Chrome 138+ a per-extension 'Allow User Scripts' toggle, before any userscript will run

Vue.js Devtools

  • Primarily a developer debugging tool, not intended for production use
  • Limited to browser extension format for most users; requires Vite plugin or standalone app for alternative use

Pricing, plan by plan

Tampermonkey

Free

No published plan breakdown. See the Tampermonkey review.

Vue.js Devtools

Free

No published plan breakdown. See the Vue.js Devtools review.

Which should you pick?

Choose Tampermonkey if

  • You need userscript management.
  • You want to start without paying.
  • You work on Web, Windows, macOS, Linux, Android.
  • You also want script editor.
Tampermonkey review

Choose Vue.js Devtools if

  • You need component tree.
  • You want to start without paying.
  • You work on Browser extensions, Vite plugin, Standalone app.
  • You also want vuex state.
Vue.js Devtools review

Questions people ask

Is Tampermonkey or Vue.js Devtools better?
Neither clearly leads. Tampermonkey starts at Free and Vue.js Devtools at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Tampermonkey or Vue.js Devtools?
Tampermonkey starts at Free and Vue.js Devtools at Free.
Does Tampermonkey or Vue.js Devtools run on more platforms?
Tampermonkey runs on Web, Windows, macOS, Linux, Android. Vue.js Devtools runs on Browser extensions, Vite plugin, Standalone app.
Can I use Tampermonkey for free?
Both have a free tier, so you can try either at no cost before committing.
What is Tampermonkey best used for?
Tampermonkey is most often used for auto-run custom javascript to add features to specific websites, block ads, remove clutter, or reformat page layout via community/personal userscripts, run scripts sourced from greasy fork or similar userscript repositories, automate repetitive web tasks such as form-filling or redirect skipping via installed scripts. Of those, auto-run custom javascript to add features to specific websites and block ads, remove clutter, or reformat page layout via community/personal userscripts are not what Vue.js Devtools is typically brought in for.
What can Tampermonkey do that Vue.js Devtools cannot?
Tampermonkey covers Userscript management, Script editor, Auto-update, Cloud sync. Vue.js Devtools covers Component tree, Vuex state, Vue Router, Performance timeline. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Tampermonkey: How much does Tampermonkey cost?

Tampermonkey is completely free for all versions and across all supported browsers including Chrome, Edge, Safari, Opera, and Firefox.

Source
Vue.js Devtools: How is Vue.js licensed?

Vue.js is licensed under the MIT License, which permits commercial use, modification, distribution, and private use without restrictions.

Source
Tampermonkey: Is Tampermonkey available on all browsers?

Yes, Tampermonkey is available on Chrome 120 and later, Microsoft Edge, Safari, Opera Next, and Firefox with no cost.

Source
Vue.js Devtools: Can I use Vue.js commercially?

Yes. Vue.js is MIT-licensed open source software with no commercial use restrictions. You can use it freely in commercial products.

Source
Vue.js Devtools: What support options are available for Vue.js?

Vue.js offers free community support through Discord, GitHub Discussions, and DEV Community. Paid learning resources include Vue Mastery and Vue School, plus official Vue.js Certification is available.

Source
Vue.js Devtools: How does Vue.js sustain development?

Vue.js is sustained through optional sponsorships at Platinum and Gold tiers, and ancillary commercial services including training, certification, and a jobs board.

Source
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