My favorite online tools and application

Project management

Trello

https://trello.com

I use Trello to manage all my projects and todos.

Development tools

JavaScript code formatter

https://beautifier.io/

I'm not a fan of code formatter, but I often need to read and debug the JSON data responded from the server.

CSS code formatter

https://www.freeformatter.com/css-beautifier.html#ad-output

Run PHP code online

https://3v4l.org/

File to hexadecimal converter

http://tomeko.net/online_tools/file_to_hex.php?lang=en

Convert a binary file to C style hex array. Useful to embed binary stuff in code.

C++ to Webassembly compiler

https://mbebenita.github.io/WasmExplorer/

Useful to test small code piece.

Utilities

TinyPNG

https://tinypng.com/

Reduce png/jpg file size dramatically.

Download Youtube videos

https://www.genyoutube.net/

English writing assistance tools

Hemingway

http://www.hemingwayapp.com/

Hemingway App makes your writing bold and clear

Grammarly

https://app.grammarly.com/

Improve your grammar