Useful Web Tools

CODE + CSS

https://codepen.io/

https://codesandbox.io/

https://jigsaw.w3.org/css-validator

https://beautifier.io/

https://coolors.co/

Image Tools

share image easily https://snipboard.io/

HASH

https://www.martinstoeckli.ch/hash/en/index.php

SQL

https://www.convertcsv.com/csv-to-sql.htm

http://sqlfiddle.com/

JSON

https://jsonlint.com/

JS

https://jsfiddle.net/

https://jshint.com/

Textures

https://www.shadertoy.com/

HTML Tools

https://codebeautify.org/htmlviewer

Emoji

https://www.webfx.com/tools/emoji-cheat-sheet/