SyncFiddle

Spec sheet

What it does

SyncFiddle is an online editor for writing and running HTML, CSS, and JavaScript, with real-time collaboration through shared room URLs.Read 11 Oct 2026 · syncfiddle.net

Audience

The site describes SyncFiddle as useful for people collaborating on code in a browser, including educators, learners, interviewers, and troubleshooting teams.Read 11 Oct 2026 · syncfiddle.net

Free plan

YesRead 23 Sep 2026 · syncfiddle.net

Support

Users can submit issues, bug reports, and enhancement requests through GitHub Issues; the site also has a contact form.Read 11 Oct 2026 · syncfiddle.net

Collaboration cursors

In shared rooms, active collaborators’ cursors show their display-name labels.Read 11 Oct 2026 · syncfiddle.net

Deployment options

noneRead 23 Sep 2026 · syncfiddle.net

Editor features

The editor includes keyboard shortcuts, search and replace, multi-cursor editing, bracket and tag highlighting, and code folding.Read 11 Oct 2026 · syncfiddle.net

Export

The editor’s Export button downloads work as an HTML file in both offline and online modes.Read 11 Oct 2026 · syncfiddle.net

Formatting and console

A Format button uses Prettier for HTML, CSS, and JavaScript, and the console can preserve logs across runs.Read 11 Oct 2026 · syncfiddle.net

Full-stack runtime

NoRead 23 Sep 2026 · syncfiddle.net

Offline editing

The editor starts in Offline Mode, where code is edited locally until the user enables sharing.Read 11 Oct 2026 · syncfiddle.net

Privacy and security

The privacy policy says it may collect email, cookies, usage data, and IP address, and states that absolute data security cannot be guaranteed.Read 11 Oct 2026 · syncfiddle.net

Real-time collaboration

YesRead 23 Sep 2026 · syncfiddle.net

Room access

Anyone who knows a room URL can view, edit, and copy its code, so the terms advise against putting sensitive data in the editor.Read 11 Oct 2026 · syncfiddle.net

Sharing

Users can share code by enabling sharing and sending others the room URL.Read 11 Oct 2026 · syncfiddle.net

Sharing controls

link_accessRead 23 Sep 2026 · syncfiddle.net

Storage limit

The service is designed for real-time collaboration rather than permanent storage, and inactive rooms may be deleted without a guarantee that content will be preserved.Read 11 Oct 2026 · syncfiddle.net

Use cases

The site lists pair or mob programming, teaching, study groups, workshops, livestreams, troubleshooting, and interviews as use cases.Read 11 Oct 2026 · syncfiddle.net

Plans and prices

Every SyncFiddle plan and price →

Where Specifiction places it

• Code Playground Software#42 of 587.4
• Coding Playgrounds#108 of 1387.5