Developer tools / StackBlitz
StackBlitz
StackBlitz is the collaborative browser-based IDE for web developers. StackBlitz eliminates time-consuming local configuration and lets developers spend more time building.
Where it stands
4.1 / 5
Signals score
Not a hands-on test
Based on 2 of 3 signals
- Website health4.8 / 5 · weight 50%
Measured from the tool's public website
- Facts stated4.2 / 5 · weight 30%
How many of the five facts the tool's own pages state
Built only from what we can measure or quote without using the tool. How ranking works
Rank by signals
We have not run our own hands-on test on StackBlitz yet. Facts checked 2026-11-01. How tests work
Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.
Should you use StackBlitz?
A quick read built only from what the tool's own pages state and from our tests, not from opinion. Facts checked 2026-11-01.
A good fit if…
- You want a free option. It states: “Personal plan is free: unlimited public projects and public GitHub repositories. Private repositories need a paid upgrade.”
Check first
Nothing to flag from what we know.
Does: Online code editor
Measured signals
4.8 / 5 · measured 2026-11-08Read automatically from StackBlitz's public website: how reliable, secure, private and open the site is. This is not a test of how well the tool does its job. How this is measured
- Reliability5 / 5The page answered and finished downloading in 310 ms.
- Security5 / 55 of 5 protective headers set (strict-transport-security, content-security-policy, x-content-type-options, referrer-policy, x-frame-options).
- Privacy4 / 51 third-party tracking service found: Google Tag Manager.
- Transparency5 / 5Links a privacy policy; links a pricing page.
Community feedback
Not enough discussion yet: 4 classified comments from 1 thread. We need at least 12 from 2 threads.
- Positive
“With StackBlitz, the browser is installing, bundling, and serving everything — our servers don’t do any of that. While CodeSandbox is a nice playground for React apps specifically, we have never intended (nor have any…”
Read in the thread - Positive
“I made a customer npm package that wraps react-16.0.0-beta.3 and it runs well in both RunKit and StackBlitz. I am sure it will be a great tool for npm package authors to test new server and browser ideas.”
Read in the thread
Threads: Stackblitz – Online VS Code Editor for Angular and React (2017, 72 comments)
- Free tier
- Personal plan is free: unlimited public projects and public GitHub repositories. Private repositories need a paid upgrade.
- Paid plan
- Teams plan can be purchased but no price is shown. Enterprise requires contacting sales, no price shown.
- Signup
- No account is needed to view and edit projects. A GitHub account is needed to save work or collaborate.
- Watermark
- Not stated.
- Where files go
- Privacy policy says uploaded files stay linked to your account and projects, may be stored outside your jurisdiction including the US, and use cloud and AI subprocessors. Data is kept while the account is active; after closure it is deleted within a reasonable period. Exact periods not stated.
From the tool's own pages, checked 2026-11-01. Sources: Pricing, Privacy policy. Prices and limits change; check the tool before you rely on them.
Get an email if StackBlitz changes
We check its official pages every week. If they change, we tell you, so you can see if the price or limits moved. No other email, and one click stops it.
Are you the maker of StackBlitz? Link to this page
Copy this into your site. The link goes to this page, and it does not change any score.
<a href="https://agathox.com/tools/stackblitz">StackBlitz on agathox: compared and tested</a>
Tasks and scores
- Online code editorNot tested yet
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