Yiannis Christodoulou

15+ years experience in web development, mostly with Joomla! & WordPress

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Useful tools for Web developers


With this website, you will never have to worry again if the colours of your website match. It shows the right palettes for each colour, with the right tones and also creates multiple colour palettes.

Snippet generator

Snippet generator is a tiny React app to help you create Visual Studio Code, Sublime Text and Atom snippets. (example)

Url encoder for SVG

We can use SVG in CSS via data URI, but without encoding it works only in Webkit based browsers. If encode SVG using encodeURIComponent() it will work everywhere. SVG must-have attribute xmlns like this: xmlns='http: //www.w3.org/2000/svg'. If it doesn’t exist, it will be added automatically. Encoded SVG can be used in background, in border-image or in mask.

The API Design Platform and API Client – Insomnia

Leading Open Source API Client, and Collaborative API Design Platform for REST, SOAP, GraphQL, and GRPC. Deliver high-quality APIs through standards and collaboration with the Insomnia API design platform.


A simple HTTP Request & Response Service.


Replit is a simple yet powerful online IDE, Editor, Compiler, Interpreter, and REPL. Code, compile, run, and host in 50+ programming languages.

PHP Sandbox

Test your PHP code with this code tester

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