Open URLs and Launch Apps

Open a URL in default browser

termux-open-url https://example.com

Open a URL with am start (more control)

am start -a android.intent.action.VIEW -d "https://example.com"

Open a file with default handler

termux-open /path/to/file.pdf
termux-open --content-type image/png /path/to/image.png

Launch an app by package name

# Using monkey (simplest, launches main activity)
/system/bin/monkey -p com.twitter.android -c android.intent.category.LAUNCHER 1

# Using am start (specify exact activity)
am start -n com.android.settings/.Settings

Common app packages

App	Package
Chrome	com.android.chrome
Settings	com.android.settings
Files	com.google.android.documentsui
YouTube	com.google.android.youtube
X/Twitter	com.twitter.android
Tasker	net.dinglisch.android.taskerm

Launch app with specific intent

# Open a specific URL in Chrome
am start -n com.android.chrome/com.google.android.apps.chrome.Main -d "https://example.com"

# Share text to another app
am start -a android.intent.action.SEND -t "text/plain" --es android.intent.extra.TEXT "Hello"

# Open dialer with number
am start -a android.intent.action.DIAL -d "tel:5551234567"

# Open map location
am start -a android.intent.action.VIEW -d "geo:0,0?q=coffee+shops"

List installed packages

pm list packages | grep keyword

Notes

• termux-open-url is the simplest option for URLs
• termux-open handles files with MIME type detection
• am start gives full control over intents and activities
• monkey (/system/bin/monkey) is a quick way to launch an app's main activity
• All commands work without root