Runs in your browser · inputs stay on your device
JSON Formatter & Validator
Format, minify, validate, convert YAML and inspect object paths locally.
Path lookup supports simple dot-separated keys and array indices, not the full JSONPath language.
How to use JSON Formatter & Validator
Enter your inputs above, choose the available mode, and review the results. Copy or download options appear where supported. These tools process your inputs in your browser.
Path lookup supports simple dot-separated keys and array indices, not the full JSONPath language.
Frequently asked questions
Are my inputs uploaded?+
No. These tools process entered text, numbers and selected files locally in your browser. Invoice templates are saved on your device only when you explicitly choose to save them.
Can I use this tool for free?+
Yes. No account is required. Estimates depend on your inputs and the assumptions explained on this page.