Developer / Data Tools

HTML Entity Decoder

Decode HTML entities in text back into their original characters.

URL Query String Parser

Parse a URL query string into its individual key-value parameters.

7 views

JSON Unescape Tool

Unescape a JSON string literal back into plain text.

HTML Entity Encoder

Encode special characters in text into their HTML entity equivalents.

URL Query String Generator

Build a URL query string from a list of key-value parameters.

JSON Escape Tool

Escape a plain string into a valid JSON string literal.

4 views

Developer / Data Tools

80 tools across 7 subcategories

Encoding, formatting, hashing, and data-transformation tools for developers.

Popular in Developer / Data Tools

CSS Clamp() Calculator

Compute a fluid clamp() value for responsive font sizing between two breakpoints.

10 views

Credit Card Validator

Check a card number's format and Luhn checksum, and identify its network.

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YAML to JSON Converter

Convert basic YAML (maps, lists) into JSON.

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More Developer / Data Tools Tools

HTML Entity Decoder

Decode HTML entities in text back into their original characters.

URL Query String Parser

Parse a URL query string into its individual key-value parameters.

7 views

JSON Unescape Tool

Unescape a JSON string literal back into plain text.

HTML Entity Encoder

Encode special characters in text into their HTML entity equivalents.

URL Query String Generator

Build a URL query string from a list of key-value parameters.

JSON Escape Tool

Escape a plain string into a valid JSON string literal.

4 views

CSS Clamp() Calculator

Compute a fluid clamp() value for responsive font sizing between two breakpoints.

10 views

Credit Card Validator

Check a card number's format and Luhn checksum, and identify its network.

9 views

YAML to JSON Converter

Convert basic YAML (maps, lists) into JSON.