Tool category
Developer Tools
Common web-development conversions and checks live here: URL and Base64 encoding, HTML entity handling, JSON formatting and validation, and Unix timestamp conversion. These tools link across to related Date & Time and Generator tools, such as the Unix Timestamp Converter linking to the UUID Generator and Date Difference Calculator.
URL
URL Encoder / Decoder
Encode or decode URL component text safely.
B64Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to text.
{}JSON Formatter & Validator
Validate, pretty-print or minify JSON.
UTCUnix Timestamp Converter
Convert Unix seconds to a date or a local date-time to Unix time.
HTMLHTML Entity Encoder / Decoder
Encode special characters as HTML entities or decode entities back to text.