usefulwebsites

Tools worth keeping — a hand-curated index

20 sites

#20

Coinbase

Crypto Finance +1 more

Your home for cryptocurrency transactions
Visit site ↗
#19

Wikipedia

Other

The free encyclopedia — start here for a quick, sourced overview of almost anything.
Visit site ↗
#18

Squoosh

Utilities Media

Compare image codecs and compress images right in the browser, with a live preview.
Visit site ↗
#17

TinyPNG

Utilities

Smart PNG and JPEG compression that shrinks images without visible quality loss.
Visit site ↗
#16

Khan Academy

Learning

Free lessons and practice across maths, science and more, at your own pace.
Visit site ↗
#15

freeCodeCamp

Learning Development

Learn to code for free with a full interactive curriculum and real projects.
Visit site ↗
#14

Pexels

Media

Free stock photos and videos, well-curated and free to use.
Visit site ↗
#13

Unsplash

Media

Free high-resolution photos you can use for anything, from photographers worldwide.
Visit site ↗
#12

Notion

Productivity Learning

Docs, notes, wikis and lightweight databases in one flexible workspace.
Visit site ↗
#11

Excalidraw

Productivity Design

A virtual whiteboard for hand-drawn-style diagrams — fast, collaborative, no sign-up.
Visit site ↗
#10

Perplexity

AI

An answer engine that researches the web and cites its sources as it goes.
Visit site ↗
#9

Hugging Face

AI Development +1 more

The hub for open machine-learning models, datasets and demos — try models in the browser.
Visit site ↗
#8

DevDocs

Development

Fast, searchable API documentation for dozens of languages and libraries in one place.
Visit site ↗
#7

regex101

Development Utilities

Build and debug regular expressions with live matches and a plain-English explainer.
Visit site ↗
#6

Can I Use

Development

Check browser support for any web feature before you ship it.
Visit site ↗
#5

MDN Web Docs

Development

The reference for the web platform — HTML, CSS and JavaScript, explained properly.
Visit site ↗
#4

Figma

Design Development +1 more

Collaborative interface design in the browser — design, prototype and hand off in one place.
Visit site ↗
#3

Dribbble

Design

Work from designers worldwide — endless UI, branding and illustration inspiration.
Visit site ↗
#2

Coolors

Design

Generate, tweak and save colour palettes in seconds — a designer's go-to for schemes.
Visit site ↗
#1

Photopea

Design Media

A free, browser-based image editor that feels like Photoshop — opens PSDs, no install.
Visit site ↗