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Free Online Developer Tools

Page 1 of 4. Browse free developer tools. Search by name or task and run tools locally in your browser without signing up.

Developer

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{ }001

JSON formatter

Validate JSON and format it with readable indentation.

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{ }002

JSON minifier

Remove unnecessary whitespace from valid JSON.

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{ }003

Base64 encoder

Encode Unicode text as Base64 safely.

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{ }004

Base64 decoder

Decode Base64 back into UTF-8 text.

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{ }005

URL encoder

Encode text for use in a URL component.

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{ }006

URL decoder

Decode percent-encoded URL components.

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{ }007

HTML escape

Escape special characters for safe HTML text.

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{ }008

Password generator

Create a random password using secure browser randomness.

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{ }009

UUID generator

Generate a random version 4 UUID.

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{ }010

SHA-256 hash

Calculate a SHA-256 fingerprint of UTF-8 text.

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{ }011

Escape a literal for regex

Escape text for literal matching inside a regular expression.

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{ }012

HTML entity decoder

Decode numeric and common named HTML character references.

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