๐ Tool Rankings
Online tool to convert JSON to YAML format, supports copying to clipboard
Create strong, secure random passwords to protect your account
Convert Markdown to WeChat article style with cyber tech blue theme
Write and run TypeScript code in your browser โ transpiled and executed locally.
Run Python code online with a WebAssembly Python runtime (Pyodide). No install.
Edit Kotlin code with syntax highlighting. Running Kotlin needs the Kotlin/WASM toolchain โ see notes.
Quickly encode and decode URLs, handles Chinese and special characters
Convert HTML special characters to entities or vice versa
Estimate after-tax salary and income tax, supports social security and housing fund deductions
Compare equal principal and interest vs equal principal, quickly estimate mortgage payment
Validate cryptocurrency wallet addresses for BTC, ETH, TRX, SOL, LTC, XRP, DOGE, ATOM and more
Calculate property deed tax based on home type, area, and transaction price
Write and run JavaScript code in your browser with a built-in editor and console.
Edit Java code with syntax highlighting. Running Java needs a compiled .class โ see notes.
Edit C# code with syntax highlighting. Running C# needs a compiled assembly โ see notes.
Edit Scala code with syntax highlighting. Running Scala needs Scala.js โ see notes.
Edit Swift code with syntax highlighting. Running Swift needs SwiftWasm โ see notes.