Code Studio

Code Studio online — free

Format, validate and convert JSON, XML, SQL, HTML, CSS, JS and more — one developer workspace.

Developer utilities should be fast, copy-friendly, and predictable. Paste input, get formatted or converted output, and move on — no CLI install required.

Use this free Code Studio whenever you need a reliable result without creating an account or installing software. It loads in one click and works on desktop and mobile browsers.

Why use this tool?

Instant browser results
Copy & paste friendly
No sign-up

How it works

Open the Code Studio page — no registration required.
Paste or type your input into the editor.
Adjust settings and review the live preview (instant browser results).
Copy the output or download the processed file to your device.

Common use cases

Debug API payloads and config files during development
Format JSON, XML, SQL, or CSS before committing to git
Convert between encodings when integrating systems
Share a reproducible result with teammates via copy-paste

Tips & comparisons

Compared with desktop apps, this online code studio starts instantly and needs no updates — bookmark it for repeat tasks.
Cloud upload services may store copies of your files; this browser tool keeps processing local when the feature allows it.
For batch or enterprise workflows, combine this tool with Tentaco studios or export results to your own pipeline.

Privacy & data handling

Tentaco runs this tool in your browser whenever possible. Text and structured input you paste are handled in the page session unless the tool explicitly fetches remote data. Close the tab or clear the page after use on shared computers. Features that call external APIs (such as URL fetchers) only send the data required for that request.

Frequently asked questions

What does this json workbench tool do?

Format, validate and convert JSON, XML, SQL, HTML, CSS, JS and more — one developer workspace. Open the tool in your browser — no account or install required.

Does it support Instant browser results?

Yes — instant browser results.

Is my data sent to a server?

No — processing runs locally in your browser. Your files and inputs do not leave your device unless the tool explicitly uses the network.

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