Developer Tools
Format, validate, encode, decode, hash, and inspect common developer data formats.
JSON Formatter
Format and minify JSON with syntax validation.
Open tool →JSON Validator
Validate JSON and report parsing errors.
Open tool →Base64 Encoder
Encode UTF-8 text as Base64.
Open tool →Base64 Decoder
Decode Base64 into UTF-8 text.
Open tool →URL Encoder
Percent-encode text for use in a URL component.
Open tool →URL Decoder
Decode percent-encoded URL text.
Open tool →HTML Encoder
Escape HTML-sensitive characters for safe display as text.
Open tool →HTML Decoder
Decode common HTML entities back into text.
Open tool →Timestamp Converter
Convert Unix timestamps and date-time values.
Open tool →Regex Tester
Test a JavaScript regular expression against text.
Open tool →Hash Generator
Generate SHA-256, SHA-384, or SHA-512 hashes from text.
Open tool →JWT Decoder
Decode JWT header and payload sections without verifying the signature.
Open tool →Color Converter
Convert HEX colors to RGB and HSL values.
Open tool →