All Tools

Design & Creative

Color Picker

Pick colors, convert between HEX, RGB, HSL, and build palettes

Pixel Painter

Create pixel art on a customizable grid canvas

Writing & Language

Grammar Checker

Check grammar, spelling, and improve your writing

Word Dictionary

Look up word definitions, synonyms, and pronunciation

Documents & Business

CV Maker

Build a professional CV with a modern template

Simple CV Maker

Create a clean, minimal CV quickly

Invoice Generator

Generate and download professional invoices instantly

PDF Editor

Edit PDFs in-browser with text overlays, preview updates, and download.

Science & Engineering

Periodic Table

Interactive periodic table with element details and properties

Circuit Explorer

Build and simulate electronic circuits visually

Unit Converter

Convert between length, weight, temperature, and more

Earthquake Alert & History

Live USGS alerts, significant events, map, and searchable earthquake history

Math & Graph Theory

Graph Theory Tool

Create graphs, run BFS/DFS, find shortest paths, and analyze connectivity