Free Online Tools

Email Signature Generator

Build a professional email signature with social icons and a booking button.

Free tool

Image Optimizer

Compress and resize JPG/PNG/WebP images, 100% in your browser.

Free tool

SEO & Social Preview

See how your title/description will look on Google and social media.

Free tool

Email Validator

Check format, disposable domains, and whether the domain accepts mail (MX).

Free tool

Password Generator

Generate random, strong passwords using the Web Crypto API.

Free tool

UTM Link Builder

Build clean UTM tracking links for your GA4 campaigns.

Free tool

JSON Formatter

Pretty-print, minify and validate JSON, right in your browser.

Free tool

Color Contrast Checker

Check color contrast ratio against WCAG AA/AAA standards.

Free tool

Regex Tester

Test regular expressions live with highlighted matches.

Free tool

Base64 / URL Encoder

Encode/decode text to Base64 or URL-encoding.

Free tool

Favicon Generator

Upload a logo and get favicons in every size (16-180px).

Free tool

CSS Gradient Generator

Build linear/radial gradients with live preview and ready CSS code.

Free tool

Word & Character Counter

Count words/characters and get a readability score for meta/social copy.

Free tool

Slug Generator

Turn a title (Greek or English) into a clean, SEO-friendly URL slug.

Free tool

Case Converter

UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case.

Free tool

Social Media Image Resizer

Presets for Facebook, LinkedIn, Instagram, YouTube — the right size instantly.

Free tool