Developer Tools

Quick tools for day-to-day development: JSON formatting, Base64 encoding/decoding, UUID generation, and more.
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Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.

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JWT Decoder / Verifier

Decode JWT header and payload, and verify HS256 signatures.

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Regex Tester

Test regular expressions with live matches and highlighting.

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Text Case Converter

Convert text to upper, lower, title, or sentence case.

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HTML Escape / Unescape

Escape or unescape HTML entities instantly.

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URL Encode / Decode

Encode or decode URL strings instantly.

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Timestamp Converter

Convert Unix timestamps to readable dates and back.

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Password Strength Checker

Check password strength with instant feedback.

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UUID Generator

Generate UUID v4 instantly.

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Base64 Encode / Decode

Encode or decode Base64 strings in one click.

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JSON Formatter

Format and validate JSON in your browser.

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