Extensions and Tools

All DevHexLab browser extensions and tools. Built for Power Automate and Power Platform makers. Free, privacy-first, and running locally in your browser.

9 productsChrome and EdgeFree to use

Power Automate HTML Preview

See your HTML before the flow runs

Preview HTML locally while editing Compose inputs, email bodies, approval details, and other HTML fields in the Power Automate designer. Render it in a floating panel before saving or running the flow.

HTML previewEmail bodiesPower Automate

Available in the

Chrome Web Store

Get it from

Microsoft Edge

Power Automate Expression Helper

Write and debug expressions faster

Explain, lint, fix, search, and insert Power Automate expressions directly inside the cloud flow designer without switching tabs.

ExpressionsLint and fixPower Automate

Available in the

Chrome Web Store

Power Automate Error Explainer

Understand errors in plain English

Translate cryptic Power Automate cloud flow errors into plain English and get practical step-by-step fixes for designer, runtime, connection, and connector failures.

Error explanationsDebuggingPower Automate

Available in the

Chrome Web Store

Get it from

Microsoft Edge

FlowDoc Pro

Complete documentation for your flows

Generate Power Automate flow documentation, interactive diagrams, risk findings, action inventories, and exportable handover reports locally in your browser.

DocumentationDiagramsExport to PDF and Word

Available in the

Chrome Web Store

Get it from

Microsoft Edge

FlowLens

See the shape of any flow at a glance

Create visual dependency maps for Microsoft Power Automate flows. Understand triggers, actions, run-after logic, conditions, and loops as an interactive graph.

Visual mapsDependenciesPower Automate

Available in the

Chrome Web Store

Get it from

Microsoft Edge

Flow Studio Pro

Safer JSON editing for Power Automate

Inspect, validate, diff, redact, and safely edit Power Automate flow definitions from a focused browser side panel. Includes backups, readiness checks, and structured comparison.

JSON editingValidationDiff and backup

Available in the

Chrome Web Store

Get it from

Microsoft Edge

MakerOps Radar

Governance scanning for Power Platform

Scan Power Platform environments for flow inventory, owner risk, connector usage, solution readiness, and governance health. Built for admins and makers who care about compliance.

GovernanceInventoryPower Platform

Available in the

Chrome Web Store

Get it from

Microsoft Edge

FlowLens AI

AI troubleshooting inside your browser

Screen-aware AI assistant for Power Automate, Power Automate Desktop, and Power Platform makers. Capture your screen, ask questions, and get beginner-friendly fixes without leaving the browser.

AI assistantScreen captureTroubleshooting

Available in the

Chrome Web Store

DevHexDraw

Free browser diagram studio

Create architecture diagrams, flowcharts, and shareable visual maps for free in your browser. No account required, no installs, and no data leaves your machine.

DiagramsFlowchartsArchitectureWeb app

More coming soon

New extensions and tools are added regularly. All DevHexLab products run locally in your browser with no data sent to external servers.