Herramientas de Red en Línea Gratis

Busca IP, DNS, WHOIS, revisa encabezados HTTP, verifica SSL y más. Todo el procesamiento ocurre en tu navegador — tus datos nunca salen de tu dispositivo.

Herramientas gratuitas disponibles
23+
Herramientas Gratis
100%
Basado en Navegador
0
Datos Subidos
37+
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🌍

IP Lookup

Find your IP address and geolocation info.

🔍

DNS Lookup

Query DNS records for any domain (A, AAAA, MX, TXT, NS).

📋

WHOIS Lookup

Look up domain registration and ownership details.

📡

HTTP Headers

View HTTP response headers for any URL.

🔒

SSL Checker

Check SSL/TLS certificate details for any domain.

🔌

Port Scanner

Check common port status for a given host.

📶

Ping/Speed Test

Test connection speed and latency to various servers.

🧮

Subnet Calculator

Calculate subnet masks, IP ranges, and CIDR notation.

🏭

MAC Address Lookup

Identify the manufacturer from a MAC address.

🖥️

User Agent Parser

Parse and analyze browser user agent strings.

🔐

Base64 Encoder

Encode and decode Base64 strings.

📊

CIDR Calculator

Calculate IP ranges from CIDR notation.

🌐

CORS Tester

Test CORS headers on any URL.

Cron Parser

Parse and explain cron expressions.

🔍

Domain Availability

Check if a domain name is available.

📧

Email Validator

Validate email address format and MX records.

📍

IP Geolocation

Find geographic location of any IP address.

🔑

JWT Decoder

Decode and inspect JSON Web Tokens.

Speed Test

Test your internet connection speed.

Website Status

Check if a website is up or down.

📋

HTTP Headers Checker

Check HTTP response headers of any website.

🌐 Network Status: All systems operational

¿Por qué NetTool1?

🔒

100% Privado

Todas las herramientas funcionan en tu navegador. Sin datos subidos a servidores.

Resultados Instantáneos

Sin esperas, sin cargas. Procesa datos en milisegundos.

💰

Gratis para Siempre

Herramientas gratis, sin costo. Sin registro, sin límites, sin anuncios bloqueando.

📱

Funciona en Todas Partes

Escritorio, tablet, teléfono. Cualquier navegador moderno, cualquier dispositivo.

Últimos Artículos

Ver todos →

🌐 Complete Guide to IP Addresses

Everything you need to know about IPv4, IPv6, public vs private IPs, and how to find yours.

🔍 DNS Explained: How Domain Names Work

Learn how DNS resolves domain names, record types, and troubleshooting tips.

🔒 SSL/TLS Guide: Securing Your Website

Understand SSL certificates, HTTPS, and how to check your site's security.

🔑 Password Security Best Practices

Tips for creating strong passwords, using password managers, and staying safe online.