Is my data sent to a server?

No. All processing happens in your browser. Your JSON never leaves your device.

What's the maximum JSON size?

There's no hard limit, but very large files (>10MB) may slow down your browser.

Is my data sent to a server?

No. All processing happens in your browser. Your JSON never leaves your device.

What's the maximum JSON size?

There's no hard limit, but very large files (>10MB) may slow down your browser.

무료

JSON 포매터 & 검증기

구문 강조와 구조 분석으로 JSON을 포맷, 미니파이, 검증합니다.

100% 무료가입 불필요브라우저에서 실행

들여쓰기:

입력

출력

출력이 여기에 표시됩니다...

JSON Formatter & Validator 소개

Paste JSON to format with custom indentation, minify for production, or validate structure. Shows key counts, nesting depth, and data type breakdown. Works entirely in your browser.

자주 묻는 질문

Developer 도구 더 보기

JWT Decoder

Decode and inspect JWT tokens in your browser.

Paste a JWT token to instantly decode and inspect its header, payload, and signature. View claims like expiration, issuer, and custom data. Everything runs in your browser — tokens are never sent to a server.

Regex Tester

Test regular expressions with live highlighting.

Base64 Encoder / Decoder

Encode and decode Base64 strings online.

모든 도구 보기

LaunchChat은 위젯 커스터마이징을 위해 JSON 설정을 처리합니다.

신용카드 불필요

Clean JSON, clean docs. Clean support starts with an AI that reads your documentation and gives cited answers.

Free tier available. No credit card required.

Try Free