Mailto Generator

Pre-fill an email's to, cc, bcc, subject and body, then copy the finished mailto link. Nothing is saved or sent anywhere.

UTM Link Generator

Build campaign-tagged URLs with UTM source, medium, campaign, term and content parameters, then copy the finished link.

QR Code Generator

Turn a URL, email or any text into a downloadable QR code, drawn locally in your browser.

Password Generator

Generate strong, random passwords using your browser's built-in secure randomness.

Email Signature Generator

Pick a template, fill in your details and copy a ready-to-paste HTML email signature. Your own image URLs, no upload needed.

Contact Card (vCard) Generator

Build a downloadable .vcf contact card from a name, phone, email and other details.

Encode / Decode Toolkit

Base64, URL encoding and JSON formatting, all done locally in your browser.

Conceal

Encrypt and decrypt files with AES-GCM, entirely in your browser. Nothing is uploaded or sent anywhere.

Image Compressor & Resizer

Resize and compress JPG, PNG or WebP images using your browser's canvas. Nothing is uploaded anywhere.

Color Contrast Checker

Check whether a text and background colour pair meets WCAG AA/AAA contrast requirements.

Text Diff Checker

Compare two blocks of text and see what changed, word by word or line by line.

Favicon Generator

Turn one image into a full set of favicon sizes, plus a multi-size favicon.ico.

Cyber Risk Scanner

Check a website's security headers, TLS certificate, email security (SPF/DMARC) and PHP version for known issues, including the PHP2Shell vulnerability. Nothing is stored, logged or linked to you and not deemed advice, solely to help.