Developer Tool App
A collection of handy tools for developers. JSON formatter, Base64 converter, UUID generator, hash generator, and more.
Network
5IP Address Info
Display your IP address, browser info, and network details
DNS Lookup
Look up DNS records (A, AAAA, MX, NS, TXT, etc.) for a domain
HTTP Headers
Check HTTP response headers for a URL
Whois / RDAP
Look up domain or IP registration data using Whois / RDAP protocol
IP Subnet Calculator
Calculate subnet details from an IP address and CIDR prefix
Encode/Decode
7Base64 Encode/Decode
Encode and decode text to/from Base64
URL Encode/Decode
URL encoding (percent encoding) conversion
HTML Entity Converter
Escape and unescape HTML special characters
JWT Decoder
Decode and display JSON Web Token contents
Punycode Converter
Convert between Unicode domains and Punycode (ACE)
Unicode Converter
Convert text to Unicode code points and various escape formats
AES Encrypt / Decrypt
Encrypt and decrypt text with AES-256-GCM using a password
Format/Validate
5Generator
5Converter
5Unix Timestamp Converter
Convert between Unix timestamps and dates
Color Code Converter
Convert between HEX, RGB, and HSL color codes
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal
Byte Converter
Convert between B, KB, MB, GB, and TB
Image Base64 Converter
Convert between images and Base64 data URLs