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Free Developer Tools: JSON, URLs & Passwords

Inspect JSON, prepare URL parameter values or generate a fresh password. Each tool explains its limits so that data formatting and encoding do not silently change what you meant.

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JSON formatter

Format, validate and minify JSON while preserving large-number digits.

Developer ↗

URL encoder & decoder

Encode or decode a URL component, including spaces and special characters.

Developer ✳

Password generator

Create random passwords locally with the browser’s cryptographic generator.

Developer

PRACTICAL GUIDE

Format JSON without rounding large numbers

Keep identifiers, decimal spelling and escapes unchanged while adjusting layout.

Read the guide ↗