Ferramentas gratuitas do navegador

Validador de registros MX

Verificar registros Mail Exchanger válidos

Analisador SPF/DKIM/DMARC

Analisar registros de autenticação de e-mail

Construtor de registro SPF

Criar registros SPF e contar consultas DNS

Construtor de registro DMARC

Gerar registros de política e relatórios DMARC

Analisador de cabeçalhos de e-mail

Rastrear saltos de entrega e resultados de autenticação

Identificador de e-mail descartável

Verificar contra domínios descartáveis conhecidos

Limpador de e-mails

Limpeza, validação e deduplicação de e-mails em massa

Auditor de security.txt

Validar security.txt conforme a RFC 9116

Verificador de vazamento de senhas

Verifique senhas contra o HIBP com k-anonimato

Gerador de CSP e cabeçalhos de segurança

Criar Content-Security-Policy e conjuntos de cabeçalhos

Gerador de salts do WordPress

Gerar chaves e salts do wp-config

Gerador de hardening do WordPress

trechos de wp-config.php e .htaccess

Calculadora de permissões chmod

Converter modos octais e permissões rwx

Decodificador JWT

Decodificar cabeçalhos, claims e expiração de JWT

Gerador de hash

Digests MD5, SHA-1, SHA-256 e SHA-512

Verificador de conformidade de llm.txt

Validar instruções para rastreadores de AI

Analisador de regras do robots.txt

Testar regras de acesso de URLs para qualquer user-agent

Visualizador de sitemap XML

Analisar sitemaps, filtrar, pesquisar, exportar CSV

Analisador de meta tags

Analisar título, meta e tags OpenGraph

Gerador de prévia de SERP

Prévia dos resultados do Google no desktop + mobile

Prévia de cartão social

Prévias de cartão OG e gerador de imagens 1200x630

Gerador de marcação Schema

Crie e valide dados estruturados JSON-LD

Gerador de robots.txt e llms.txt

Gerar arquivos robots, llms e security

Calculadora de CIDR e sub-redes

Faixas e máscaras de rede IPv4 e IPv6

Explorador de códigos de status HTTP

Referência interativa de mais de 40 códigos de status

Scanner de portas no lado do cliente

Detectar portas abertas em localhost

Testador de recursos de rede do navegador

Status online, tipo de conexão, estimativa de downlink

Classificador de imagens no navegador

Classificação MobileNet v2, sem upload

Busca de embeddings no lado do cliente

Busca semântica com Transformers.js

Executor de LLM no navegador

Executar geração de texto com DistilGPT-2 localmente

OCR no navegador

Extrair texto de imagens com Tesseract.js

Removedor de fundo

Remover fundos de fotos com segmentação no dispositivo

Ampliador de imagens

Ampliar imagens 2x ou 3x com nitidez

Fala para texto

Transcrever áudio localmente com Whisper tiny

Estimador de escopo

Dimensione suas necessidades de gestão em 30 segundos

Gerador de senhas

Senhas fortes, geradas localmente

Conversor e compressor de imagens

Redimensionar e converter para WebP, AVIF ou JPEG

Codificador Base64, URL e HTML

Codificar e decodificar texto localmente

Gerador e explicador de crontab

Crie e decodifique agendamentos cron

Ping & Latency Visualizer

Graph live latency and network stability in your browser.

Subnet & CIDR Calculator

Compute network, broadcast, range and host count for any IPv4 CIDR.

HAR (HTTP Archive) Viewer

Parse .har files locally to inspect load times and payloads.

Client-Side Password Vault & Generator

Generate strong passwords and encrypt a credential list locally with a master password.

SSL/TLS Certificate Decoder

Decode a PEM certificate to inspect its size and SHA-256 fingerprint.

Keyword Density & Content Analyzer

Count words, reading time and top keyword phrases.

Structured Data (Schema.org) Validator

Validate JSON-LD schema syntax locally.

Redirect / Regex Path Mapper

Test URL rewrite rules and regex mappings in real time.

Log Parser & Anonymizer

Parse server logs, filter by level, anonymize IPs/emails.

CSV to JSON/XML Converter

Parse CSV and export JSON, XML or SQL inserts.

Base64 Image Encoder/Decoder

Convert images to Base64 data URIs and back.

WordPress Security Hardening Auditor

Audit a wp-config.php for security settings.

Gerador de salts do WordPress

Generate wp-config.php authentication keys and salts.

WP REST API Explorer

Probe a WordPress site's public REST endpoints.

WordPress Version & Theme Finder

Extract WordPress version, theme and plugins from pasted HTML.

Node.js

package.json Security Auditor

Audit a package.json for risky or outdated dependencies.

Node.js

.env Security Validator

Validate .env files for placeholder secrets and missing values.

Node.js

Express.js Route Mapper

Parse Express routing code into a visual endpoint map.

Content Security Policy (CSP) Builder

Build and evaluate a CSP header interactively.

CORS Preflight Simulation Sandbox

Simulate CORS preflight requests and headers.

Local/Session Storage & Cookie Inspector

Inspect everything stored in your browser for this origin.

Framework Bundle Budget Calculator

Estimate load times from bundle sizes across network speeds.

Frontend

Next.js Routing Matrix Parser

Visualize a Next.js app/pages folder tree as routes.

Unix Timestamp & Epoch Converter

Convert between Unix timestamps and human dates.

UUID / ULID Bulk Generator

Generate thousands of UUIDs or ULIDs locally.

Accessibility

Color Contrast Auditor (WCAG)

Test WCAG 2.1 contrast ratios.

Diff Checker & Text Merge

Compare two text blocks line by line.

Base Converter (Binary/Octal/Decimal/Hex/Base64)

Convert numbers between bases.

Cron Expression Explainer

Explain a crontab expression in plain English.

Web Crypto Key Pair Generator

Generate RSA or ECDSA key pairs and export JWK/PEM locally.

Bcrypt / Argon2 Playground

Hash passwords with bcrypt or Argon2id via WebAssembly.

BIP39 Mnemonic Converter

Generate seed phrases and derive BTC/ETH keys offline.

Steganography Encoder / Decoder

Hide and extract text in PNG pixel data locally.

Regex Visualizer & Match Tester

Highlight matches, capture groups, timings and substitutions.

JSON Schema Generator & Validator

Infer JSON Schema from data and validate documents.

SQL Formatter & Syntax Checker

Format SQL with keywords, indentation and balance checks.

Markdown to Live HTML Converter

Render markdown with code, tables and task lists live.

JWT Signature Verifier

Verify RS/PS/ES/HS JWT signatures with a public key locally.

GraphQL Schema Introspector

Parse SDL, browse types and generate query skeletons.

DNS Propagation Emulator

Simulate resolver caches and TTL countdown over 24 hours.

HTTP Header Builder & Auditor

Build raw requests, parse responses, audit security headers.

WebRTC Signaling Playground

Copy-paste SDP to open a direct data channel between tabs.

WebSocket Tester & Frame Logger

Connect to ws/wss endpoints, log frames and measure latency.

Core Web Vitals Predictor

Rate TTFB, LCP, CLS and INP against Google thresholds.

Image Compression Previewer

Compare original vs compressed size and quality side by side.

CSS Selector Performance Analyzer

Rank CSS selectors by rendering cost and flag risky rules.