Before I open a single file, I used to launch six apps. Postman for API testing. TablePlus for database queries. GitKraken for commit history. Docker Desktop for container management. And a browser tab with some AI tool I'd paste code into for review. Context-switching tax adds up fast. These five VS Code extensions killed that habit — and they're the best VS Code extensions for frontend developers in 2026 not because they're the most hyped, but because each one is genuinely good enough to replace the standalone tool it targets.
5 VS Code Extensions Worth Installing
1. REST Client — Replaces Postman
Postman forced account logins a few years back, shipped an AI assistant nobody asked for, and somehow became slower than curling from the terminal. REST Client (humao.rest-client) does one thing: sends HTTP requests defined in .http files.
The killer feature isn't the requests themselves — it's that the files live in your repo.
### Create user
POST https://api.example.com/users
Content-Type: application/json
Authorization: Bearer {{token}}
{
"name": "Ada Lovelace",
"email": "ada@example.com"
}
### Get user
GET https://api.example.com/users/1
Authorization: Bearer {{token}}Define environment variables in http-client.env.json — the docs don't make this obvious, but you can have dev and prod keys and REST Client picks them up automatically via the environment picker in the status bar. Check the .http files into git. No export/import dance, no asking who has the latest Postman collection in Slack.
2. GitLens — Replaces Sourcetree and GitKraken
GitLens (eamodio.gitlens) surprises people who've only used it for blame annotations. The commit graph is genuinely good — on par with GitKraken's visualisation, without the separate app, the GitHub account requirement, or the subscription paywall for basic features.
The blame annotations alone justify installation. Hover over any line and you see who changed it, when, and the commit message. Click through to the full diff. It took me embarrassingly long to start actually using this, but it's now the first thing I miss on machines where it's not installed.
GitLens Free covers 90% of workflows. Pro adds interactive rebase tooling and better worktree support — worth it for teams, optional for solo work.
3. SQLTools — Replaces TablePlus and DBeaver
SQLTools (mtxr.sqltools) plus a driver — mtxr.sqltools-driver-pg for Postgres, mtxr.sqltools-driver-mysql for MySQL — gives you a usable database client inside VS Code. Not a polished one, but for running queries during development it's more than enough.
Configure a connection directly in .vscode/settings.json:
"sqltools.connections": [
{
"name": "Local Postgres",
"driver": "PostgreSQL",
"server": "localhost",
"port": 5432,
"database": "myapp_dev",
"username": "postgres",
"password": "${env:DB_PASSWORD}"
}
]Autocomplete on table and column names is decent. For checking data during a bug hunt, running migrations manually, or inspecting what an ORM is actually storing, this is enough. I still open TablePlus for large data inspection or complex schema work — but that's maybe once a month now.
4. Docker — Replaces Docker Desktop's GUI
The official Docker extension (ms-azuretools.vscode-docker) won't replace Docker Engine — you still need that running. But it replaces the Docker Desktop GUI for everything you actually need it for: inspecting running containers, tailing logs, checking port bindings, and managing images.
Right-click a container to attach a shell, view logs, or stop it. The Compose support groups all services from a docker-compose.yml together, so you can see your full stack at a glance. It's faster than switching to Docker Desktop and keeps context in the editor.
On Linux where Docker Desktop is optional anyway, this is the only GUI you need.
5. GitHub Copilot — Replaces Standalone AI Review Tools
If you're copying code into a browser tab to get AI feedback, stop. GitHub Copilot's code review feature — available via the Copilot Chat extension — gives you inline explanations, refactor suggestions, and a review pass without leaving the editor.
The workflow: finish a function, select it, open Copilot Chat, ask it to review for edge cases or security issues. It won't catch architectural problems the way a senior engineer would, but it catches the obvious stuff — unchecked nulls, missing error handling, off-by-one risks — before your teammates have to. That's the job.
The underrated feature is /explain on unfamiliar code. What used to be a twenty-minute Stack Overflow rabbit hole takes thirty seconds. That time compounds across a week.
Does This Actually Reduce Switching Cost?
Consolidating into VS Code isn't about minimalism. It's about keeping context. Every time you Alt-Tab to Postman, run a query in TablePlus, and flip back to the editor, you pay a small cognitive tax. Extensions don't eliminate that tax entirely, but they cut it substantially — and the savings stack up across a full day.
The other real benefit: these tools travel with the project. Check in your .http files, commit your settings.json with SQLTools connections (use ${env:} references for credentials, not hardcoded values), and the next developer who clones the repo is set up immediately. That portability is impossible with standalone apps.
If you're building this kind of consistent, self-contained project setup from scratch, our guide on setting up a modern React project without Create React App covers the full 2026 toolchain — from bundler to router to testing — and these VS Code decisions slot in naturally alongside it.
The short version: install REST Client, GitLens, and the Docker extension today. Those three have the highest return on configuration time. Add SQLTools if you touch a database regularly. GitHub Copilot is worth the subscription if you're writing code eight hours a day; run the numbers yourself if you're not.