Developer Tools
Format, convert and validate common developer data.
17 tools
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JSON Formatter & Validator
Validate, format or minify JSON entirely in your browser.
Open tool →Base64 Encoder & Decoder
Encode and decode UTF-8 text as Base64.
Open tool →URL Encoder & Decoder
Percent-encode and decode URL components.
Open tool →HTML Entity Encoder & Decoder
Escape or unescape common HTML special characters.
Open tool →HEX / RGB Color Converter
Convert hexadecimal color codes to RGB and back.
Open tool →CSV to JSON Converter
Convert comma-separated tabular data with headers to JSON records.
Open tool →JSON to CSV Converter
Turn an array of JSON records into quoted CSV cells.
Open tool →ROT13 Text Converter
Apply reversible ROT13 letter substitution to your text.
Open tool →CSS Variable Extractor
List CSS custom properties and their declared values.
Open tool →HEX Color Extractor
Extract unique hexadecimal color codes from CSS or text.
Open tool →JSON Key Extractor
Inspect JSON object keys and their nested paths locally.
Open tool →JSON Array to Lines
Turn a JSON array of primitive values into separate text lines.
Open tool →URL Query String Parser
Decode a URL query string into a JSON object with repeated parameter support.
Open tool →CSV / TSV Delimiter Converter
Convert comma-separated CSV to tab-separated TSV and back, including quoted fields and multiline values.
Open tool →CSV Column Extractor
Extract one CSV column by header or position into a lossless JSON array of values.
Open tool →Base64URL Encoder & Decoder
Encode UTF-8 text as URL-safe Base64 or decode Base64URL back to text.
Open tool →URL Query String Builder
Convert a JSON object into encoded query parameters, including repeated array values.
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