Developer Tools

JSON Formatter

Format or minify JSON with clear error hints.

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JSON Validator

Validate JSON and pinpoint syntax issues.

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Regex Tester

Test patterns live with capture groups.

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UUID Generator

Generate v4 UUIDs in batch.

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JWT Decoder

Inspect JWT header and payload (signature not verified).

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Hash Generator

Compute SHA-1, SHA-256, and SHA-512 digests.

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YAML ⇄ JSON

Convert between YAML and JSON bidirectionally.

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Cron Parser

Turn cron expressions into human-readable schedules.

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UUID Validator

Check whether strings are valid UUIDs.

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JSON String Escape

Escape plain text for use inside JSON strings.

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