Question 1

Is the JSON formatter free?

Accepted Answer

Yes. JSON Formatter beautifies and validates JSON for free with no sign-up. It highlights syntax errors and runs entirely in your browser.

Question 2

How do I encode or decode Base64?

Accepted Answer

Open Base64, paste your text or data, and switch between encode and decode instantly. The conversion happens locally, so sensitive data stays private.

Question 3

Can I generate a secure password?

Accepted Answer

Yes. Password Generator creates strong random passwords with adjustable length and character sets, generated in your browser and never transmitted.

Question 4

How do I generate a hash?

Accepted Answer

Hash Generator computes MD5, SHA-1 and SHA-256 hashes from your input instantly. It is free and runs locally for fast, private checksums.

Question 5

Are these tools safe for sensitive data?

Accepted Answer

Yes. Developer tools process input in your browser, so tokens, payloads and secrets are never uploaded. You can use them on confidential data safely.

Question 6

Do I need to install a CLI or extension?

Accepted Answer

No. Every developer tool runs online with no install, no extension and no account, on any operating system.

Tool	Processing	Free	No sign-up
JSON 포맷터	In browser	Yes	Yes
UUID 생성기	In browser	Yes	Yes
Base64 인코더·디코더	In browser	Yes	Yes
HTML 포맷터	In browser	Yes	Yes
CSS 압축	In browser	Yes	Yes
Regex 테스터	In browser	Yes	Yes

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