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Description
The Chrome extension that enables editing a Power Automate flow definition as JSON.
Motivation
The reason behind creating this extension is constantly struggling with repetitive tasks in the flow authoring workflow like replacing a SharePoint site's URL or changing the variable name.
Features
- Edit a Power Automate flow as JSON in your browser.
- Workflow definition JSON schema validation.
- Rich text manipulation features thanks to Monaco Editor (VS Code).
- Validating actions using "Flow Checker".
- More features may come in future :)
How to use it
1. Get the extension.
2. Open the flow edit page in the Power Automate/Power Apps portal.
3. Click the extension icon.
4. Edit your flow!
Change Log
v1.3
- Migrated to the new Power Platform API (*.api.powerplatform.com)
- Fixed flow detection for solution flows and multiple environments
- Per-tab state tracking for auth tokens and API URLs
v1.2
- Fixed the issue with saving a flow
- Support for launching from the new Power Automate designer
- Improved launching from Power Apps Portal
- Now editor allows to edit the flow definition and connection references
v1.1
Added support for opening a flow from the new Power Automate portal and Power Apps portal.
Known limitations
- The authentication token is not refreshed automatically at this moment. Sometimes might be necessary to refresh the flow's page that was used to open the extension.
Reviews (6 cached)
★☆☆☆☆2025-11-20
Christian Johnson
Does not actually work. Clicking the extension does nothing.
★☆☆☆☆2025-09-30
Chris Bishop
This no longer works with either Power Automate v2 nor v3
★☆☆☆☆2025-09-09
Mihaita Manda
Not working.
★☆☆☆☆2023-08-28
Chandler Parsons
I can't get it to work. I've tried the refresh idea.
★★☆☆☆2025-06-26
Etele Blahó
As of writing clicking the extension icon with the new designer ("v3") does nothing, and even with the old designer it's hit-and-miss.
★★★☆☆2026-02-16
Michael Rosemann
Just installed it, running PA on browser. Had the same problems as people reported before: Clicking the Tools Extension during a flow edit only opened a short Extension setup menue. Now I found out that by switching to the "Old Designer" (or classic designer maybe in English) gets around this issue. In "Classic Designer" version of PA, clicking the PA Tools Extension indeed opens the whole code for hacking around.
Permissions (3)
Permissions
activeTabℹ Can access the current tab when you click the extension tabsℹ Can see your open tabs and their URLs webRequestℹ Can observe and analyze network traffic
Details
| Version | 1.3 |
| Updated | Mar 6, 2026 |
| Size | 1.09MiB |
| First Seen | Mar 28, 2026 |
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