JSON Editor — Edit Online in Browser
Edit JSON in a split workspace with a CodeMirror source panel and an editable tree. Format, sort keys, repair syntax, and download — all locally in your browser.
Your data never leaves your browser
0 B
JSON source
Explore
Enter valid JSON to edit in the tree panel.
About this tool
Editable treeLive syncFormat & repairSort keysDownloadFullscreen
How to use
- Paste or upload JSON in the source panel.
- Switch to the editable tree to change values, add keys, or delete nodes.
- Use Format or Repair when editing raw text, then download the result.
Examples
Tree edit
{"name":"Ada","active":true}Double-click a value or use + to add properties