Top 10 sites for web developers

M

Tools

MDN Web Docs

The essential reference for HTML, CSS and JavaScript.

developer.mozilla.org

Open site

S

Tools

StackBlitz

Run full web projects in the browser.

stackblitz.com

Open site

J

Tools

JSON Crack

See JSON data as a visual graph.

jsoncrack.com

Open site

C

Tools

Crontab Guru

Turns cron expressions into plain sentences.

crontab.guru

Open site

P

Tools

PageSpeed Insights

Measures your website's speed and gives advice.

pagespeed.web.dev

Open site

T

Tools

Transform Tools

Convert code between JSON, TypeScript and many other formats.

transform.tools

Open site

D

Tools

DevDocs

Searches hundreds of documentation sets in one fast interface.

devdocs.io

Open site

R

Tools

RegExr

Write regular expressions and test them with explanations.

regexr.com

Open site

C

Tools

Can I Use

Shows which browsers support which web features.

caniuse.com

Open site

C

Tools

CyberChef

Hundreds of encoding, encryption and data operations on one screen.

gchq.github.io

Open site