💚 Built for Vue Teams

Upgrade Vue Without the Pain

Options API to Composition API, Vuex to Pinia, Vuetify 2 to 3 — we show you exactly which dependency versions work with Vue 2 and 3.

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No credit card required • 25 free credits • Works with Vue 2 and Vue 3

Real Problems From Real Vue Developers

These quotes are from r/vuejs this week. Sound familiar?

"Vuetify 2 doesn't work with Vue 3 and Vuetify 3 is a complete rewrite of every component"

r/vuejsVuetify Migration
🔄

"Migrating from Vuex to Pinia while also upgrading Vue 2 to 3 is a nightmare of breaking changes"

r/vuejsState Management
📦

"Half our Vue 2 plugins don't have Vue 3 versions yet and the compatibility build has quirks"

r/vuejsPlugin Compatibility
🚀

"Vue Router 3 to 4 changed the entire API, navigation guards work differently now"

r/vuejsRouter Breaking Changes
🤯

"Our Nuxt 2 app needs Vue 3 but Nuxt 3 is a ground-up rewrite, not an upgrade"

r/vuejsNuxt Migration
💥

"Vue Test Utils v1 vs v2 — every single test file needs changes after the upgrade"

r/vuejsTest Utils Breaking Changes

Vue 3 Upgrades Are More Than Just vue@3

The Vue core upgrade is one step. Your router, state management, UI library, and test utils all need to align.

Feature
Manual
DepFixer
Updates vue package
Handles Vue Router 3 to 4 upgrade
Checks Vuetify 2 to 3 compatibility
Validates Pinia vs Vuex alignment
Detects Vue Test Utils version
Checks @vue/* package alignment
Finds peer dependency conflicts
Documents Composition API requirements
Generates fixed package.json

From Upgrade Anxiety to Upgrade Confidence

Three simple steps to know exactly which versions work together

01

Run DepFixer Migrate

Run the migrate command and select your target Vue version. We detect your framework and show available upgrade paths.

Terminal
$ npx depfixer migrate
⚡ DepFixer CLI v1.0.0
──────────────────────────────────────────────
📦 PROJECT: my-vue-app
Framework: Vue 2.7.16
Select target version:
> Vue 3 (Latest)
-> 3.5.13 - Latest stable
02

Review Migration Plan

See exactly which packages need updates, breaking changes, and the ecosystem impact before committing.

Migration Plan
🚀 MIGRATION PLAN: Vue 2 → 3
──────────────────────────────────────────────
📊 Projection:
• Health: 58/100 → 92/100
• Packages: 12 updates
• Breaking: ⚠️ 3 Major Changes
PACKAGE CURRENT TARGET
──────────────────────────────────────────────
vue 2.7.16 3.5.13
vue-router 3.6.5 4.4.5
vuex 3.6.2 → pinia 2.2.6
vuetify 2.7.2 3.7.5
@vue/test-utils 1.3.6 2.4.6
03

Apply & Install

Confirm the migration and DepFixer updates your package.json. Then run npm install.

Success
✨ SUCCESS
──────────────────────────────────────────────
✓ 12 Packages Updated
✓ Backup: package.json.bak
👉 NEXT STEP:
Run the following command:
$ npm install

Complete Vue Ecosystem Support

We track version compatibility for the entire Vue ecosystem

Vue Router

Official routing

Pinia

State management

Vuex

Legacy state mgmt

Vuetify

Material Design UI

Quasar

UI framework

PrimeVue

UI components

Nuxt

Meta-framework

@vue/test-utils

Testing utilities

VueUse

Composition utilities

@vuelidate/core

Form validation

vue-i18n

Internationalization

@vue/compiler-sfc

SFC compiler

unplugin-vue-components

Auto-import

@vitejs/plugin-vue

Vite integration

+ 1.5M+ package versions in our compatibility database

Built for Real Migration Scenarios

Whether you're upgrading one app or coordinating across teams, we've got you covered

Vue 3

Vue 2 to Vue 3 Migration

Composition API

Safely upgrade from Vue 2 to 3 with all ecosystem dependencies aligned and validated.

🔄State Mgmt

Vuex to Pinia Migration

State management

Transition from Vuex to Pinia while ensuring all store-dependent packages remain compatible.

🎨UI Libraries

UI Library Upgrade

Vuetify • Quasar • PrimeVue

Find the right Vuetify, Quasar, or PrimeVue version for your Vue version.

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Ship Vue 3 With Confidence

Know exactly which versions work before you run npm install.

Analyze My Vue Project Free

No credit card required • 25 free credits • Results in seconds