Inspect, debug and profile your Avalonia apps

Inspect and diagnose your Avalonia apps visually and make edits that are reflected locally in real-time.

Trusted by .NET teams around the world

EssentialsEdition

The free essentials for inspecting your apps

Free for organisations under €1M revenue with a community licence.

Logical & visual tree inspector

Visualize your app's control hierarchy and select elements to show properties, styles, layout and events.

DevTools visual tree inspector showing element hierarchy and properties

Live property editing

Modify properties like colors, margins, and text in real-time, with immediate visual feedback—no rebuild required.

DevTools live property editor with real-time feedback

Layout inspection

Inspect and tweak layout properties (Margin, Padding, Border) and see control sizes and constraints for precise positioning.

DevTools layout inspection showing margin, padding, and border properties

Style viewer

See all active styles for a control, their origins, and snapshot them for debugging pseudo-classes.

DevTools style viewer showing active styles and their origins
CompleteEdition

Unlock the full power of DevTools

Advanced debugging, profiling, and diagnostic tools for professional Avalonia development.

3D layout view

View app layouts with interactive 3D visualisation to debug complex hierarchies.

DevTools 3D layout view showing layered UI components

Logging

Powerful filtering, searching, and real-time tracing capabilities for effortless complex debugging

DevTools logging view with filtering and search

Event inspection

Capture and inspect actions/events for deeper understanding of app behaviour

DevTools event inspection panel

Advanced asset manager

Browse, inspect, and troubleshoot images, fonts, and resources for pre-production optimisation

DevTools asset manager with image previews

In-app overlays

Visual overlays that display directly on your running application, helping you visualise and debug UI components without code modifications.

DevTools in-app overlay showing element boundaries

Speed up your development by unlocking the complete feature set

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Customer stories

"Avalonia has a very strong community, and frankly is a joy to work with."

Bill Henning

CEO & Founder, Actipro Software

Editions

DevTools comes in two editions

DevTools comes in two editions. Essentials provides core inspection and debugging capabilities at no cost, while Complete unlocks professional profiling, mobile support, and remote debugging.

Core features

Visual Tree Inspection
Property Editor
Layout Debugging
Event Inspection
In App Overlays

Complete edition

3D View Debugging
Performance Profiling
Metrics Visualiser
Logging
Asset Manager
Mobile Support
Remote Connections
Model Context Protocol

Start building apps with confidence