❯ tcpx --list
loaded 35 tools across 4 categories
tcpx — the developer's terminal toolbox
Fast, free, and privacy-respecting tools for network analysis, security testing, API development, and everyday utilities. No sign-up, no tracking — most tools run entirely in your browser.
IP Checker
network
Find your public IP address and network information instantly.
DNS Lookup
network
Perform DNS queries for A, AAAA, MX, TXT, and other record types.
WHOIS Lookup
network
Get domain registration information and ownership details.
Ping Test
network
Test network connectivity and measure latency to any host.
Traceroute
network
Trace the network path to a destination and visualize hops.
Port Scanner
network
Scan for open ports on remote hosts and services.
Speed Test
network
Measure your internet download and upload speeds.
SSL Checker
network
Analyze SSL certificates and check security configurations.
GeoIP Lookup
network
Find the geographical location of any IP address.
Subnet Calculator
network
Calculate subnet ranges, CIDR notation, and network information.
MAC Lookup
network
Look up MAC address vendor information and OUI database.
HTTP Headers Analyzer
network
Analyze HTTP response headers to check security, performance, and caching configurations.
Hash Generator
security
Generate MD5, SHA1, SHA256, SHA512 hashes for any text.
Base64 Encode/Decode
security
Encode and decode text using Base64 encoding.
JWT Decoder
security
Decode and inspect JSON Web Tokens (JWT) header and payload.
Password Generator
security
Generate secure random passwords with customizable options.
Password Strength
security
Check password strength and get security recommendations.
URL Encoder
security
Encode and decode URLs for safe transmission.
Caesar Cipher
security
Encrypt and decrypt text using Caesar cipher algorithm.
HMAC Generator
security
Generate Hash-based Message Authentication Codes (HMAC) for message integrity and authentication.
REST Client
api
Test REST APIs with a full-featured HTTP client.
JSON Formatter
api
Format, validate, and beautify JSON data.
XML Converter
api
Convert between XML and JSON formats.
cURL Generator
api
Generate cURL commands from HTTP request parameters.
User Agent Inspector
api
Analyze and inspect browser user agent strings.
Timestamp Converter
utilities
Convert between Unix timestamps and human-readable dates.
UUID Generator
utilities
Generate UUID/GUID v4 identifiers for your applications.
QR Code Generator
utilities
Generate QR codes for text, URLs, and other data.
Color Converter
utilities
Convert between HEX, RGB, HSL, and other color formats.
Text Diff
utilities
Compare two text blocks and highlight differences.
Regex Tester
utilities
Test and debug regular expressions with real-time matching.
File Hash Calculator
utilities
Calculate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) for file integrity verification.
Markdown Converter
utilities
Convert between Markdown and HTML formats with live preview and syntax highlighting.
Unit Converter
utilities
Convert between various units of measurement including length, weight, temperature, and more.
Random Generator
utilities
Generate cryptographically secure random numbers, strings, hex bytes, colors, names, dice rolls, and Lorem Ipsum.