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JS Bin
by JS Bin
What JS Bin is
JS Bin is a tool for learning, experimenting with, and teaching web technologies. Its editor panels generate output as users type, allowing code and results to be shared so others can clone a bin and modify it. Listed processors include HTML, Markdown, CSS, JavaScript, Babel, CoffeeScript, React JSX, and TypeScript. A console, debug/source mode, configurable linting, and CodeMirror keybindings support editing and troubleshooting. CodeCast shares typing in real time for collaboration. JS Bin offers a free plan, public sharing, web access, an API, and self-hosting or local installation. Pro adds private bins, Dropbox saving, custom-themed embeds, vanity URLs, and priority support depending on the plan. The monthly Pro plan is billed at £12.99; yearly billing is £99.99. Both list unlimited private and public bins and 1GB asset storage. Anonymous bins keep full output available for 90 minutes before their URLs redirect to the editor view.
Who it suits
JS Bin suits learners, teachers, and developers who need runnable frontend examples, live previews, and shareable code. It also fits users wanting self-hosting or real-time collaborative editing.
What it does well
- Live preview updates as you type
- Supports HTML, CSS, JavaScript, and other processors
- CodeCast enables real-time typing collaboration
- Self-hostable and locally installable
- Free plan available
What to know first
- Anonymous output lasts 90 minutes
- Private bins require Pro
- Dropbox saves only the latest revision
- No custom domains or deployment support
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Pro | Unlimited private and public bins · 1GB asset storage | On request |
| Pro yearly | Yearly £99.99 – saving £55; page says invoices are in GBP and non-GBP prices are approximated using Google forex rates. · Unlimited private & public bins · Unlimited embeds with custom theming · 1GB asset storage · Vanity URLs · Priority support | On request |
| Pro monthly | Monthly £12.99; page says invoices are in GBP and non-GBP prices are approximated using Google forex rates. · Unlimited private & public bins · Unlimited embeds with custom theming · 1GB asset storage · Vanity URLs · Priority support | On request |
As jsbin.com lists them, read 20 Sept 2026. The maker's own page has the final word.
Verdict
JS Bin combines live frontend experimentation with sharing, cloning, and collaborative editing. Its free tier covers public work, while Pro is needed for private bins and additional hosting and sharing options.
Facts from JS Bin's own pages
- Collaboration
- CodeCast shares what a user is typing in JS Bin in real time. · jsbin.com, 3 Oct 2026
- Editors and debugging
- The feature list includes a console, debug/source mode, configurable linting, and CodeMirror keybindings such as Vim, Emacs, and Sublime. · jsbin.com, 3 Oct 2026
- Founded
- 2008 · jsbin.com, 28 Sept 2026
- Free plan
- Yes · jsbin.com, 20 Sept 2026
- Headquarters
- Brighton, England · jsbin.com, 28 Sept 2026
- Integrations
- Pro users can link Dropbox to save each bin as an HTML file in their Dropbox Apps/jsbin directory; only the latest revision is saved. · jsbin.com, 3 Oct 2026
- Live preview
- As users type in editor panels, JS Bin generates the output in real time. · jsbin.com, 3 Oct 2026
- Maker
- The About page says JS Bin was built by Remy Sharp and is open source. · jsbin.com, 3 Oct 2026
- Notable limit
- An anonymously created bin’s full output is available for 90 minutes, after which its URL redirects to the editor view. · jsbin.com, 3 Oct 2026
- Privacy
- Private bins are a Pro feature, and other users who try to access a private bin receive a 404. · jsbin.com, 3 Oct 2026
- Privacy policy
- The privacy policy says JS Bin collects visitor request details and uses cookies for login sessions; it was last updated 12-Jun, 2014. · jsbin.com, 3 Oct 2026
- Private projects
- Yes · jsbin.com, 20 Sept 2026
- Processors
- The feature list names processors including HTML, Markdown, CSS, JavaScript, Babel, CoffeeScript, React JSX, and TypeScript. · jsbin.com, 3 Oct 2026
- Purpose
- JS Bin is a tool for learning, experimenting with, and teaching web technologies. · jsbin.com, 3 Oct 2026
- Security
- The SSL guidance says the editor redirects to HTTPS, while embedded bins retain their author's protocol and SSL embeds require Pro. · jsbin.com, 3 Oct 2026
- Self-hosting
- The feature list says JS Bin is self-hostable and locally installable. · jsbin.com, 3 Oct 2026
- Sharing
- Users can share a bin’s code and output, and others can clone it to experiment with their own changes. · jsbin.com, 3 Oct 2026
- Support
- The Pro page says support is managed through GitHub, with Pro users able to contact support directly by email or Gitter. · jsbin.com, 3 Oct 2026
Where JS Bin stands on Freedom251
- Code Playground Software#10 of 58
- Coding Playgrounds#27 of 138