All Tools

Look up geolocation and network information for any IPv4 or IPv6 address.

Calculate subnet masks, network ranges, broadcast addresses, and host counts.

Validate IPv4 addresses and check if they are public, private, or reserved.

Validate IPv6 addresses and expand compressed notation.

Check if a TCP port is open on a remote host.

Send ICMP echo requests to test host reachability and latency.

Trace the network path to a destination host.

Query WHOIS records for domains and IP address blocks.

Look up Autonomous System Number details for an IP or ASN.

Query A, AAAA, MX, TXT, NS, SOA, PTR, and SRV records.

Parse and validate SPF records for email authentication.

Look up DKIM selector records for a domain.

Retrieve and parse DMARC policy records.

Check DNS record propagation across global resolvers.

Inspect SSL/TLS certificates for a hostname.

Check certificate expiration dates and days remaining.

Generate a Certificate Signing Request and private key.

Decode PEM-encoded certificates and keys to inspect details.

Generate secure random passwords with customizable options.

Analyze password strength and get improvement suggestions.

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes.

Decode and inspect JSON Web Token headers and payloads.

Encode or decode text and data using Base64.

Encode or decode URL components and HTML entities.

Generate RFC 4122 version 4 UUIDs.

Format, validate, and minify JSON data.

Format and validate YAML documents.

Format and validate XML documents.

Test regular expressions against sample text with match highlighting.

Build cURL commands from HTTP request parameters.

Send test HTTP requests to webhook endpoints.

Convert between numeric and symbolic Unix file permissions.

Build and explain cron schedule expressions.

Validate Docker Compose YAML syntax and structure.

Validate Kubernetes manifest YAML files.