JSON Decoder · Developer Tools

DNS Lookup Look up A, AAAA, MX, TXT, CNAME and NS

QR Code Generator Create QR codes in your browser

IP Checker See the IP address observed by this server

Encrypt-Decrypt Encrypt and decrypt text with a secret key

Password Generator Create strong random passwords

Secret Generator Generate cryptographic random secrets

UUID Generator Generate UUID v4 identifiers locally

Timestamp Convert Unix time and see current UTC

Base64 Encode and decode Base64 text

JSON Decoder Format, validate and inspect JSON

Markdown Preview Preview Markdown instantly in your browser

User-Agent Parser Inspect browser and device information

JWT Decoder Decode JWT header and payload locally

Hash Validation Check a string against SHA, MD5 or bcrypt

Hash Hash text with SHA, MD5 or bcrypt

Regex Tester Test regular expressions safely

Cron Expression Builder Build and preview cron schedules

SSH Key Generator Create Ed25519 and RSA keys locally