Developer Tools
Encode, decode, hash, format and validate data and code with developer-focused utilities.
Format, validate & minify JSON
Encode and decode Base64 text
Encode & decode URL components
SHA-1 / 256 / 512 of any text
Binary, hex, decimal & more
Encode & decode HTML entities
Test JavaScript regular expressions
Decode JSON Web Tokens safely
File extension ↔ MIME
Convert JSON into YAML
Pretty-print HTML
Luhn check & brand
Rate your password
Minify JS, CSS & HTML
Detect screen metrics
Format & validate XML
Explain cron expressions
Format CSS nicely
Convert YAML to JSON
Explore JSON as tree
Check SSL certificate
Format SQL queries
IPv4 network calc
Octal + symbolic
Pretty code PNG
HMAC SHA auth codes
Encrypt with password
Format JS nicely
30-sec 2FA codes
19 tools
9 tools
29 tools
13 tools
23 tools
7 tools
15 tools
10 tools
8 tools