A Free, Modern Toolbox
Built for Developers

200+ tools builtin with more to come. Boosts your productivity with smart search, type detection, and hotkeys. Let it be your best companion in daily dev tasks.

Download installer:

Apple Silicon

Intel Chip(x64)

Windows(x64)

Windows(x86)

AppImage(amd64)

AppImage(arm64)

Or install via HomeBrew:

brew install --cask he3-app/he3/he3

Or install via Scoop:

scoop install "https://raw.githubusercontent.com/h8r-dev/he3-scoop/main/he3.json"

Modern Toolbox for Modern Developers

With rich builtin toolset, Alt + Space (configurable) Hotkey, smart search and auto detection, He3 lets you focus on your work and boost productivity.

Personalized Home Page

He3 provides personalized home page experience by showing what tools you have used most or recently, and what tools you have starred.

Clipboard Detection

Based on your clipboard content, He3 can recommend correlated tools and rank them first on search, and set clipboard content as the tools' default input.

{"abc": 123, ...}

→

JSON Tools

https://...

→

URL Tools

#ffffff

→

Color Converter

Smart Search

Fuzzy Match

Even if you don't know the exact name of tool, He3 can still find it for you by matching the closest tool. For example, when searching 'json fmt', it will show you the 'JSON Format' tool first.

Similar Keyword Match

He3 will smartly match keywords that are similar. For example, when searching 'json prettify', it will show you the 'JSON Format' tool first.

Preview on Search

Want to get the result faster? No problem! If you copy some code and then open He3, it will show you the preview of the result on search.

A Free, Modern ToolboxBuilt for Developers

A Free, Modern Toolbox
Built for Developers