utilnx
22 tools

Base64 Encode/Decode

Encode and decode Base64 text, URL-safe values, tokens, and config snippets in your browser.

Country by IP Address

Find the geographical location, ISP, and ASN of any IP address.

cURL Command Builder

Build and generate curl commands visually with method, headers, auth, body, and advanced options.

Docker Compose to Run

Convert Docker Compose YAML files to Docker run commands.

Docker Run to Compose

Convert Docker run commands to Docker Compose YAML format.

Jasypt Encrypt/Decrypt

Encrypt and decrypt values using Jasypt (Java Simplified Encryption) for Spring Boot configs.

K8s ConfigMap Builder

Interactively build Kubernetes ConfigMap manifests and deployment patches with kubectl commands.

K8s Deployment Builder

Build Kubernetes Deployment manifests with real-time YAML preview, difficulty modes, and templates.

K8s Secret Builder

Build Kubernetes Secret manifests with base64 encoding, deployment patches, and kubectl commands.

My Public IP

Detect and display your current public IP address.

NS Lookup

Query DNS servers for name and address records of a domain.

OpenSSL Command Generator

Generate OpenSSL commands for SSL/TLS certificate management — create keys, CSRs, convert formats, verify, and more.

Ping

Check connectivity to a host or IP address using TCP/HTTP probing.

Port Check

Verify if a specific TCP port is open on a target host.

Reverse DNS Lookup

Find the hostname/PTR records associated with an IP address.

SAML Response Decoder

Decode Base64 SAML responses and inspect assertions, attributes, signatures, timing, and audience details.

SSH Config Generator

Build your ~/.ssh/config file visually — pick a template, tweak the options, copy the config block. No more memorizing flags.

SSH Key Generator

Generate Ed25519 and RSA SSH key pairs right in your browser — no install needed, keys never leave your device.

Subnet Calculator

Design and visualize network subnet hierarchies using a binary tree structure.

Traceroute

Display route and measure transit delays of packets across an IP network.

WebSocket Tester

Test WebSocket connections, send and receive messages, inspect lifecycle events, and troubleshoot issues in real time.

WHOIS

Retrieve domain registration information and ownership details.