Are my files uploaded to a server?

No. OpenEdit processes everything locally in your browser using Web APIs, so your file never leaves your device.

Is this tool free to use?

Yes. Every OpenEdit tool is free, requires no account and adds no watermark to your exports.

Can I create a new JSON5 file from scratch?

Yes. Use the “Start a blank JSON5 file” button and you get an empty .json5 buffer with JSON5 highlighting already enabled.

Online JSON5 Editor

Edit JSON5 and JSONC files with comment-tolerant highlighting. OpenEdit runs the same editor engine as VS Code directly in your browser tab — open a .json5 file or start from a blank one, and nothing is ever uploaded.

Drop your file here

Supports JSON5, JSONC · processed locally

How to use the JSON5 Editor

1Drop a .json5 file in, or click “Start a blank JSON5 file”.
2Edit with full keyboard shortcuts and multi-cursor support.
3Use diff view to compare against what you started with.
4Export the file back to your device.

Features

JSON5 syntax highlighting and bracket matching
Multi-cursor editing, find and replace
Side-by-side diff against the original file
Autosave to local storage and one-click export
Works offline once the page has loaded

Frequently asked questions

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