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HookDeploy

Free tools

Developer tools. No sign-up, no server.

Everything runs in your browser. No data is sent anywhere.

JSON

JSON Validator

Validate JSON syntax with line and column error details.

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JSON Formatter

Prettify or minify JSON. Fix indentation instantly.

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JSON Schema Generator

Generate a JSON Schema from any JSON object automatically.

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Security & auth

JWT Decoder

Decode and inspect JWT tokens. View header and payload.

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HMAC-SHA256 Generator

Generate HMAC signatures or verify webhook signatures.

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Encoding

Base64 Encoder / Decoder

Encode or decode Base64 strings. Unicode support.

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URL Encoder / Decoder

Encode or decode URLs and query string parameters.

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Utilities

Unix Timestamp Converter

Convert between epoch timestamps and human-readable dates.

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