Tools that open in mainland China
322 tools, all reachable directly, all usable without an account.
Test your webcam picture, resolution and frame rate in the browser
Get a temporary callback URL and inspect webhook requests live
Spin a wheel to pick names or prizes fairly from a list
Look up a domain's registrant, registrar and expiry via WHOIS
Look out of a stranger's window somewhere in the world
A global wind and weather map with animated airflow you can drag
A computational knowledge engine that answers questions and plots functions
Shape text into word cloud art with no registration
Live word, character and reading time stats with grammar checks
Academic editing and translation, basic features free without login
World Bank open data: indicators for every country, downloadable
End-to-end encrypted transfers up to 10 GB that expire automatically
Edit, merge and convert PDFs from the web page without logging in
Validate YAML online with errors pinned to the line
Paste a YouTube link to export its full transcript free
Convert documents, images, audio and video, download without an account
A lightweight JavaScript library for pseudo-3D illustrations, with examples
Live satellite imagery of Earth with cloud, fire and radar layers
A huge CC0 PBR texture library, free for 3D scenes
Drag a curve to shape CSS easing functions with side-by-side preview
Draw architecture diagrams and UML for free, save files locally
Compute MD5, SHA, Bcrypt and dozens of hashes locally in the browser
Paste a shell command and get each option explained from the manual