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JSFiddle

Who runs JSFiddle, what it tracks and what it costs, and the 20 closest online code playground alternatives.

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

Measured from JSFiddle’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 JSFiddle

JSFiddle jsfiddle.net

JSFiddle - Test your React, Tailwind, JavaScript, CSS, HTML online with JSFiddle.

Wikidata: Online service for web development

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

02 · Privacy

What JSFiddle tracks

What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.

trackers that follow visitors

None of the 18 alternatives below has fewer; 15 have more.

Privacy-friendly alternatives →
Cookie banner
None found
US company
1 tool

03 · Alternatives

Alternatives to JSFiddle

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

No ad trackersRegistered in the EUFree plan

3 of the 60 sites closest to JSFiddle match.

  1. 01
    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 JSFiddle →
  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 JSFiddle →
  3. 03
    Bolt bolt.new English Free plan 1 tracker

    Bolt AI builder: Websites, apps & prototypes

    Build and scale high-performing websites & apps using your words. Join millions and start building today.

    Compare Bolt with JSFiddle →

Closest first, by how much each site’s offer resembles JSFiddle’s. Trackers are counted the same way as above. Highlighted technologies are ones JSFiddle 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 JSFiddle 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 · 6 technologies
Neighbours
k = 60
Sites searched
9,214
Vector
384-d
Query
171 ms

Competitor map

Each alternative by how close its vector is to JSFiddle’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

BoltCursorGitHub

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