Simple Pricing
One payment. Lifetime access. No subscriptions.
Free
Great for everyday debugging
- Elements panel — DOM inspector & live CSS editor
- Console panel — full JS eval, log levels, history
- Network panel — HTTP requests, headers, WebSockets
- Tab switching, dark theme, responsive panel layout
- Free forever, no account required
- Sources panel — browse all page scripts & stylesheets
- Application panel — localStorage, sessionStorage, cookies
- Performance panel — load time, FCP, JS heap, FPS meter
- Device panel — CDP viewport emulation (media queries work)
- Priority support
Pro
One payment, lifetime access
- Elements panel — DOM inspector & live CSS editor
- Console panel — full JS eval, log levels, history
- Network panel — HTTP requests, headers, WebSockets
- Tab switching, dark theme, responsive panel layout
- Free forever, no account required
- Sources panel — browse all page scripts & stylesheets
- Application panel — localStorage, sessionStorage, cookies
- Performance panel — load time, FCP, JS heap, FPS meter
- Device panel — CDP viewport emulation (media queries work)
- Priority support
Secure payment · License key emailed instantly
FAQ
How do I activate after payment?
After payment, your license key is emailed to you. Open ALT-DEV TOOLS in Chrome, go to the License tab, enter your email + key, and click Activate. All Pro panels unlock instantly.
Is it really a one-time payment?
Yes! Pay $9 once and use ALT-DEV TOOLS Pro forever. No subscriptions, no renewals.
Can I use one key on multiple devices?
Yes, your license key works across all your Chrome browsers and devices.
I lost my key — how do I find it?
Check your purchase confirmation email, or visit the payment portal to retrieve your license key.
Which panels are locked behind Pro?
Sources, Application (localStorage/cookies), Performance, and Device emulation panels require a Pro license. Elements, Console, and Network are always free.