⚡
Embed JavaScript
Execute scripts, evaluate expressions, call functions, and exchange values with .NET.
JintJavaScript for .NET
Embed a modern ECMAScript interpreter in any .NET application, without a native runtime.
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- 🔒
Bound Execution
Apply statement, time, memory, recursion, parsing, and cancellation limits.
- 🌐
Opt-in Web APIs
Add console, timers, fetch, streams, crypto, storage, workers, and more when your host needs them.
- 🧭
Headless Browser
Parse HTML, run page scripts, automate a DOM, and inspect the result without Chromium.
- 🐛
DevTools Protocol
Connect Chrome DevTools, Puppeteer, or Playwright to an engine your application hosts.
- 📦
Modern .NET
Use the core engine from .NET Framework 4.7.2 through current .NET, with Native AOT support on modern targets.
Start with Jint
bash
dotnet add package JintWith using Jint; in scope:
csharp
var result = new Engine()
.SetValue("name", "World")
.Evaluate("`Hello, ${name}!`")
.AsString();Jint is the main product and documentation entry point. Add another package only when you need debugging or browser functionality. Jint is open source under the BSD 2-Clause License.
Additional packages
Jint.DevToolsA Chrome DevTools Protocol server for an engine hosted by your application.Jint.BrowserAn in-process, non-rendering browser built with Jint and AngleSharp.Jint.Browser.PlaywrightA direct implementation of public Microsoft.Playwright interfaces over Jint.Browser.Jint.Browser.ToolThe
jint-browser command for extraction, evaluation, CDP, and MCP.Jint.Browser.McpAn MCP server that lets agents navigate and interact with non-rendered pages.Used by
Projects using Jint include RavenDB, EventStoreDB, Orchard Core, Elsa Workflows, Docfx, and JavaScript Engine Switcher.