Free web toolbox

Free tools for webmasters, developers and everyday tasks — no advertising, no tracking.

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WHOIS domain

Check the WHOIS record of a domain name.

DNS Lookup

Resolve DNS records (A/AAAA/CNAME/MX/TXT).

HTTP headers

View the headers returned by a URL.

Your IP

Display your IP address and browser information.

Encodeur/Decodeur URL & Base64

Encode/decode URL and Base64.

UUID v4 generator

Create unique identifiers.

SSL certificate checker

Inspect the SSL chain and expiration date.

Redirect checker

Follow 301/302 redirects to their destination.

robots.txt test

Check a user-agent access to a URL.

Password generator

Create secure passwords with options.

XML Sitemap analysis

Load, validate and count URLs from a sitemap.

META generator

Balises SEO, Open Graph & Twitter Card.

Antispam Protector

Obfuscate an email + honeypot.

Unix Time Converter

Convert UNIX timestamp ↔ date/time.

Text counter

Count characters, words, lines, bytes.

Color picker

HEX ↔ RGB ↔ HSL ↔ HSV, contrast & palette.

Dice roller

Roll d4/d6/d8/d10/d12/d20/d100, somme & modificateur.

PDF tools

Merge, split, compress, protect, watermark, rotate and add page numbers.

QR code generator

Create a PNG or SVG QR code from text or a URL.