Developer Utility Tools
Free, fast, and privacy-focused tools for developers. All processing happens in your browser - your data never leaves your device.
Available Tools
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text. Supports Unicode characters.
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JSON Formatter/Validator
Format, validate, and minify JSON with syntax highlighting and error detection.
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JWT Decoder/Encoder
Decode, verify, and create JSON Web Tokens with HS256 signature support.
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