Directory strumenti
Sfoglia tutti gli strumenti di FreeSEOTools.com
Esplora strumenti pratici per SEO, scrittura, ottimizzazione immagini e attività PDF, organizzati in categorie semplici.
Formattatore JSON
Formattare, abbellire e validare dati JSON.
Codifica/Decodifica Base64
Codificare testo in Base64 o decodificare stringhe Base64.
Generatore UUID
Generare identificatori UUID v4 casuali.
Decoder JWT
Decodificare e ispezionare JSON Web Token.
Convertitore timestamp Unix
Convertire timestamp Unix in date e viceversa.
Tester Regex
Testare espressioni regolari con evidenziazione in tempo reale.
Generatore Cron
Creare visivamente espressioni di pianificazione Cron.
Confronta testi
Confrontare due testi ed evidenziare le differenze.
Markdown a HTML
Convertire Markdown in HTML con anteprima dal vivo.
Generatore hash
Generare hash SHA-1, SHA-256 e SHA-512.
HTML Minifier
Minify HTML by removing comments, whitespace, and optional quotes for smaller pages and faster loading.
CSS Minifier
Minify CSS by stripping comments, blank lines, and excess whitespace to ship smaller stylesheets.
JavaScript Minifier
Minify JavaScript by removing comments and unnecessary whitespace for faster page loads.
URL Encoder / Decoder
Encode or decode URL components and full URLs (percent-encoding) for safe links, query strings, and APIs.
Credit Card Validator
Validate credit card numbers using the Luhn checksum and detect the card brand (Visa, Mastercard, Amex, Discover, JCB).
HTTP Headers Checker
Inspect HTTP response status, redirect chain, and security headers for any public URL — including HSTS, CSP, and X-Frame-Options.
DNS Records Lookup
Look up A, AAAA, MX, TXT, NS, CNAME, SOA, and CAA DNS records for any domain using public Cloudflare and Google resolvers.
WHOIS Lookup
Run a public WHOIS / RDAP lookup on any domain to see registrar, registration dates, expiration, status flags, and nameservers.
SSL Certificate Checker
Inspect a domain's SSL/TLS certificate chain, expiry date, issuer, fingerprint, and protocol — useful for catching expiring or misconfigured certs.