Some useful local tools.
Generate SHA-1, SHA-256, SHA-512 hashes from text or files.
Encode and decode Base64 strings (supports Unicode).
Convert text to special symbols and add Zalgo effect.
Encode and decode URL strings (percent-encoding).
Decode and validate JSON Web Tokens.
Convert between hexadecimal and ASCII text.
Apply ROT13 substitution cipher to text.
Query DNS records (A, MX, TXT, etc.) using different servers.
Check HTTP security headers and server configuration.
Calculate network details, subnets, supernets, and classify IP ranges (IPv4).
Find location, ISP, and proxy status for any IP address.
Find subdomains using certificate transparency logs (crt.sh).
Scan common ports on a target host (WebSocket based).
Measure HTTP response times (latency) to a web server.
Test if a server allows Cross-Origin requests.
Simulate a traceroute using public APIs.
Retrieve domain registration information.
Inspect SSL certificate details of a domain.
Evaluate password complexity and entropy.
Attempt to reverse simple hashes using common wordlists.
Test input sanitization against XSS payloads.
Decode, verify, and forge JWT tokens.
Format, validate, and minify JSON data.
Convert between YAML and JSON formats.
Compare two texts and highlight differences.
Test regular expressions with real-time matching.
Preview Markdown syntax in real time.
Convert text between upper, lower, title, etc.
Count words, characters, lines, and reading time.
Generate random UUIDs (v4) and other versions.
Convert between Unix timestamps and human-readable dates.
Pick colors and convert between HEX, RGB, HSL.
Generate QR codes from any text or URL.
Read and decode QR codes from image upload.
Generate secure random passwords with custom rules.
Reference list of HTTP status codes with descriptions.