Explore All Tools
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Helpdesk
Linux Error Code Lookup
Find the standard name and description for Linux system error codes.
Windows Error Code Lookup
Lookup common Windows system and HRESULT error codes.
BSOD Error Lookup
Find causes for common Windows Blue Screen of Death (BSOD) codes.
RDP File Generator
Generate a pre-configured .rdp file for remote desktop connections.
HTTP Error Code Lookup
Quickly find the meaning of HTTP status and error codes.
SSH Command Builder
Generate a standard SSH connection command.
Port Number Database
Look up common service names for TCP/UDP port numbers.
Encoding
Binary Converter
Convert text to binary or binary back to text.
ASCII Converter
Convert text characters to their ASCII numeric codes.
String Escape Tool
Escape strings for use in Python, JSON, and other formats.
URL Encoder
Safely encode strings for use in URLs.
URL Decoder
Decode URL-encoded strings back to plain text.
HTML Encoder
Convert characters to HTML entities to prevent XSS.
HTML Decoder
Convert HTML entities back to plain text.
Text to Hex
Convert plain text to its hexadecimal representation.
Hex to Text
Convert hexadecimal strings back to plain text.
UUID Generator
Generate unique v1 or v4 UUIDs.
ROT13 Encoder
A simple substitution cipher that replaces a letter with the 13th letter after it.
Advanced Tools
DevOps
JSON Formatter
Prettify or minify JSON strings instantly.
YAML Validator
Validate YAML syntax and identify errors.
XML Formatter
Prettify and format XML strings for better readability.
Code Minifier
Minify HTML or CSS by removing whitespace and comments.
Regex Tester
Test your regular expressions against sample text.
Diff Checker
Compare two pieces of text and find the differences.
Networking
Private IP Generator
Generate random private IP addresses for testing or documentation.
IP Subnet Calculator
Calculate subnet details including network, broadcast, and host range.
IP Range Generator
Generate a list of all usable IP addresses in a subnet.
Public IP Checker
Quickly identify your current public IP address.
Reverse DNS Lookup
Find the domain name associated with an IP address.
TCP Port Checker
Check if a specific TCP port is open on a remote host.
CIDR Calculator
Convert CIDR notation to netmask and find network ranges.
WHOIS Domain Lookup
Check domain registration details and ownership information.
DNS Lookup
Query DNS records (A, MX, TXT, etc.) for a domain.
File & Data
JSON to XML Converter
Convert JSON data into XML format.
XML to JSON Converter
Convert XML data into a JSON object.
CSV to JSON Converter
Convert CSV data into a clean JSON array.
JSON to CSV Converter
Convert a JSON array of objects into CSV format.
File Size Converter
Convert between Bytes, KB, MB, GB, and TB.
Monitoring
Port Monitoring Tool
Check if critical ports are listening on a specific host.
IP Reputation Checker
Check if an IP address has a history of malicious activity or spam.
Website Uptime Checker
Check if a website is currently online and responding.
API Latency Tester
Measure the response time of any API endpoint.
HTTP Redirect Checker
Trace the full path of HTTP redirects for any URL.
HTTP Status Checker
Check the HTTP response status code of any website.
SysAdmin
Linux Command Cheat Sheet
Quick reference for common Linux commands and their usage.
Windows Command Cheat Sheet
Quick reference for common Windows Command Prompt / PowerShell commands.
Text Hash Generator
Generate MD5, SHA1, or SHA256 hashes for strings.
Service Port Lookup
Find the standard port number for a given service name (e.g., 'ssh', 'http').
Linux Permissions Calculator
Calculate numeric and symbolic Linux file permissions (chmod).
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates.
Domain & Web
Security
Random Secure Key Generator
Generate strong, hexadecimal secure keys for configuration or encryption.
JWT Encoder (Structure)
Build the base structure of a JSON Web Token (JWT) for inspection.
Hash Identifier
Identify the likely algorithm used to create a hash.
JWT Decoder
Decode JSON Web Tokens (JWT) to see header and payload data.
Password Generator
Create secure, random passwords with custom parameters.
Hash Generator
Generate MD5, SHA1, SHA256, or SHA512 hashes for any text.
SSL Certificate Checker
Check the validity and expiry of any website's SSL certificate.
Base64 Encoder
Encode plain text to Base64 format.
Base64 Decoder
Decode Base64 strings back to plain text.