JSON Formatter & Beautifier
Paste any JSON payload and instantly get a formatted, human-readable version with the exact indentation you need. Structural errors are highlighted with line and column numbers, so you can jump straight to the missing comma or misplaced brace.
indent:
Input0 chars · 0 lines
Output
Result will appear here.// Features
- ▸Adjustable 2, 4, or tab indentation
- ▸Precise error reporting with line and column
- ▸One-click copy, download and clear
- ▸Live character and line counts
- ▸Handles large payloads without leaving your browser
// How to use
- 01Paste your JSON into the input pane on the left.
- 02Choose your indent size from the action bar.
- 03The formatted result appears instantly on the right.
- 04Click Copy or Download to grab the result.
// FAQ
Your data never leaves your browser. This tool runs 100% locally — no upload, no logging, no analytics on your inputs.
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