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codepen.io

CodePen

Who runs CodePen, what it tracks and what it costs, and the 20 closest online code editor alternatives.

Who’s behind it
Not stated
Online since
Unknown
Trackers
Couldn’t check
Prices
No pricing page
Last price change
–
Closest alternative
JSFiddle

Measured from CodePen’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.

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01 · Who’s behind it

Who runs CodePen

CodePen codepen.io

Wikidata: website for testing and showcasing HTML, CSS and JavaScript

Company
No imprint we could read
Online since
Not in the Internet Archive
Audience
In English

02 · Privacy

What CodePen tracks

We couldn’t read codepen.io’s homepage (bot protection page), so we can’t say what it loads.

03 · Alternatives

Alternatives to CodePen

Thumbs up if it’s a real alternative to CodePen, thumbs down if it isn’t.

No ad trackersRegistered in the EUFree planOnly in English

6 of the 60 sites closest to CodePen match.

We can’t read codepen.io’s homepage (bot protection page), so it’s compared on what Wikidata and Wikipedia say about it.

  1. 01
    Visme visme.co English Free plan 2 trackers

    Visme: AI Presentation maker, Infographics, and One pager templates

    Create professional presentations, interactive infographics, beautiful design and engaging videos, all in one place. Start using Visme today.

    Compare Visme with CodePen →
  2. 02
    Cursor cursor.com Top 10K English Free plan 2 trackers

    AI Coding Agent for Building Ambitious Software | Cursor

    Built to make you extraordinarily productive, agents turn ideas into code. Accelerate development by handing off tasks to Cursor.

    Compare Cursor with CodePen →
  3. 03
    Netlify netlify.com Top 10K English Free plan 2 trackers

    Push your ideas to the web | Netlify

    Create with AI or code, deploy instantly on production infrastructure. One platform to build and ship.

    Compare Netlify with CodePen →
  4. 04
    GitHub github.com Top 100 English Free plan 2 trackers

    GitHub · Change is constant. GitHub keeps you ahead. · GitHub · GitHub

    Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.

    Compare GitHub with CodePen →
  5. 05
    Miro miro.com Top 10K English Free plan 1 tracker

    AI Innovation Workspace | Miro

    Speed up product development from ideation to launch. Align teams, break tool silos, and ship what customers need in one AI-powered visual platform.

    Compare Miro with CodePen →
  6. 06
    GitBook gitbook.com English Free plan 6 trackers

    The knowledge layer for AI | GitBook

    GitBook is a knowledge platform that connects your docs, product and users, answers user questions, and identifies knowledge gaps. Docs-as-code support & AI insights included.

    Compare GitBook with CodePen →

Closest first, by how much each site’s offer resembles CodePen’s. Trackers are counted the same way as above. Highlighted technologies are ones CodePen uses too. Votes and comments come from visitors and don’t change the order.

04 · History

What changed

Price and policy history →

No changes yet. Each new crawl is compared with the last one, and what CodePen adds, drops or rewrites shows up here.

05 · Details

How we measure

Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.

The full technology stack, the competitor map and search numbers · 4 technologies
Neighbours
k = 60
Sites searched
9,208
Vector
384-d
Query
34 ms

Competitor map

Each alternative by how close its vector is to CodePen’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.

similarity × popularity

GitBookMiroGitHubNetlifyCursorVisme

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CDN
Email hosting
DNS hosting
SaaS tools (verified in DNS)