THE QUICK ANSWER
What does JSON Formatter do?
Format and validate JSON without uploading it.
CONSIDER IT FORFormatting and checking JSON before sharing it
What you can do with it
- JSON syntax validation
- Readable indentation
- Copy output
- Offline HTML download
Features are based on the stated evidence level. Confirm current availability and plan limits with the official provider.
Understand the pricing first.
PRICING MODELFree
This installed browser utility is free to use.
What to check before choosing
Checks JSON syntax, not a custom schema. Very large inputs may slow your browser.