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Developer Tools

Format JSON, encode Base64, generate UUIDs and decode JWTs.

JSON Formatter

Format, minify and validate JSON with syntax highlighting.

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Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text.

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UUID Generator

Generate UUID v4 identifiers in bulk.

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JWT Decoder

Decode and inspect JWT tokens — header, payload and signature.

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SHA-256 Hash Generator

Generate SHA-256, SHA-384 and SHA-512 hashes for text and files.

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Color Converter

Convert colors between HEX, RGB and HSL formats.

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Small utilities that save developers time. Format and validate JSON, encode and decode Base64, generate cryptographically secure UUIDs, and inspect JWT payloads. Every tool runs locally in your browser, so sensitive tokens and data are never transmitted anywhere.