We build practical software products and provide technical support services.
Hangzhou Changye Network Technology Co., Ltd. is a software company registered in Hangzhou, China. We develop developer tools, web applications and consumer software products for users and businesses.
WHAT WE DO
Practical software products and technical support
Developer Tools
We build practical tools for developers. Our products are designed to run locally in the browser and to respect user privacy.
Technical Support Services
We provide software technical support services for companies and teams.
PRODUCTS
Our products
OmniKit
Your Swiss Army Knife for Dev — a free collection of online developer tools.
- 50+ free developer tools
- Runs locally in your browser
- No sign-up required
Fajruna
Prayer times, Quran and remembrance, wherever you are.
- Accurate daily prayer times
- The complete Quran with translation and recitation audio
- Daily duas and the 99 Names of Allah
Preflight
A network environment check for IP-sensitive tools — verify your environment before you start.
- Free online check, no sign-up required
- CLI covers 10 checks, including IPv6 and DNS leaks
- Open source, cross-platform CLI
Tab Station
A write-through tab console for Chrome — every tab in every window, on one page.
- Drag, move, close and dedupe act directly on the real tabs in your browser
- Read later and window sessions for tabs you want to keep
- Open source, no backend and no network requests
Get in touch
Questions or feedback about our products or services? We are glad to hear from you.
Contact us