$ developer _
Free dev utilities. JSON responses, no auth required. No need to thank me.
/api/guid
Generate a new GUID/UUID
/api/uuid/v7
Time-ordered UUID (sortable)
/api/timestamp
Current timestamp formats
/api/random?min=&max=
Random number generator
/api/password?length=
Secure random password
/api/lorem?sentences=
Lorem ipsum generator
/api/hash?text=
Hash text (MD5, SHA256, etc)
/api/base64/encode?text=
Encode text to Base64
/api/base64/decode?text=
Decode Base64 to text
/api/jwt/decode?token=
Decode JWT payload
/api/slug?text=
Convert to URL-friendly slug
/api/bytes?value=
Bytes to human readable
/api/duration?seconds=
Seconds to readable time
/api/epoch
Unix timestamp converter
/api/color/convert?hex=
Hex to RGB/HSL
/api/url/parse?url=
Parse URL components
/api/regex/test
Test regex patterns
/api/ip
Your IP address
/api/useragent
Parse your user agent
/api/headers
Echo request headers
/api/echo
Echo back your request
/api/status/{code}
Return any HTTP status
/api/delay?ms=
Delayed response
/api/httpcat?code=
HTTP status cat images
/api/excuse
Random developer excuse
/api/roast
Roast your code