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Setting Chrome Storage Managed Keys for Helperbird

Every managed storage key Helperbird reads, what each one does, the JSON to paste into the Google Admin console, and which browsers can read a policy at all.

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  • admin

You have a subscription key and a fleet of managed devices. A managed policy is how that key reaches them.

Where you paste the policy depends on the tool you manage with. Pick yours from the tool list on force install Helperbird.


Where Managed Keys Work

Which browsers read a Helperbird managed policy.
BrowserReads a managed policy
ChromeYes
EdgeYes
FirefoxYes, from the 3rdparty block of policies.json
Safari on MacYes, using forced preferences for com.helperbird.Helperbird.Extension in a supported Apple build
Safari on iPad and iPhoneYes, using managed App Configuration or supported ManagedApp/DDM delivery

For Apple devices, use the policy builder, Mac deployment guide, or iPhone/iPad setup. A Chrome policy is not directly installable in Safari.

The Google Workspace add-ons for Docs, Slides and Sheets do not read a policy either.


The Smallest Policy That Works

This is the whole policy for a school or business that wants Pro for everyone. Replace the key with your own.

{
  "subKey": { "Value": "YOUR SUBSCRIPTION KEY" },
  "isAdminControl": { "Value": true }
}

The {"Value": …} wrapper belongs to the Google Admin console's Policy for extensions field and nowhere else. Everywhere else you set the values on their own, with no wrapper around them.


What isAdminControl Does

It decides whether Helperbird reads the rest of your policy.

  • Set it to true and every other key in your policy applies.
  • Set it to false and the whole block is ignored, subKey included.
  • Leave it out and none of it takes effect.

Turning it from true back to false removes your subscription key, your disabled-feature list and your excluded sites. People fall back to their own subscription, or to Free.

For Safari, a false gate or policy removal releases the managed overlay and restores personal settings. An empty key releases managed licensing only; feature settings can remain active. Optional settings omitted from a Safari policy do not override personal values.

It is not a permission setting. subKey is the only key it takes out of people's hands. Other controls lock when your policy includes that key:

  • The Floating Toolbar is an exception: floatingButton sets a default, and the user's explicit on/off choice wins. To block it, enable disableFeatures and include FloatingButton in disabledFeatures.
  • The read-aloud word highlight toggle, when your policy names it.
  • The highlight color, when your policy names it.
  • The sites you exclude, shown read-only above the list people keep themselves.

Everything else stays theirs to change.


Every Key You Can Set

Every key a Helperbird managed policy can contain, with its type and default.
KeyTypeDefaultWhat it does
isAdminControlbooleanfalseThe switch above. Nothing else applies without it
subKeytextemptyYour organization subscription key
disableFeaturesbooleanfalseTurns on the list below
disabledFeatureslist of textemptyFeature codes to hide
excludedDomainsbooleanfalseTurns on the list below
excludedDomainsListlist of textemptySites to keep Helperbird off
floatingButtonbooleanfalseSets a user-editable default for the Floating Toolbar
floatingButtonPositionleft or rightleftWhich side that toolbar sits on
enableTtsWordHighlightbooleantrueHighlights each word as read aloud speaks it
ttsWordHighlightColorhex color#fde68aThe color of that highlight

Word highlighting works with the built-in browser voices. It does not run with the neural voices.

The toolbar appears for everyone, but five of its actions need Helperbird Pro: Dictionary, Immersive Reader, Word prediction, Voice typing and Screenshot Reader. Push subKey as well if you want those to work.


Limits to Know About

  • excludedDomainsList holds ten sites. Anything after the tenth is dropped.
  • Your list does not replace the sites people exclude themselves. They keep a list of ten as well, and both apply.
  • A domain matches that site and its subdomains. www. is ignored on both sides. There are no wildcards and no paths.
  • Listing sites without setting excludedDomains to true switches exclusion on the next time Helperbird loads. Set it to true yourself if you want it to take effect right away.
  • floatingButtonPosition takes left or right. Anything else becomes left.
  • A feature code Helperbird does not recognize is ignored, with no warning.
  • Setting subKey to an empty string clears it the next time Helperbird loads, and people drop back to Free. Deleting the key from your policy clears it right away.
  • A policy change takes a few minutes to reach a device. It applies the next time Helperbird loads, usually the next page someone opens. If it has not arrived, work through how to verify a managed deployment.

Validate Your Policy

Paste your JSON into the Helperbird JSON Policy Validator before you push it. It checks that your JSON is well formed. It does not check your feature codes.


Need Additional Help?

Ran into a snag while getting started? No worries at all. Reach out to our friendly Helperbird support team, and we'll help you smooth things out in no time.

Printed from the Helperbird Help Center · Updated September 6th, 2026

Questions? We are happy to help — helperbird.com/support

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assistive technology consultant f...

I am an assistive technology consultant for 30 school districts. I am adding Helperbird to the list of reading resources that I have available.
Denise YoungParent

change the blur into words

Helperbird does so many things that are game changing for me! By far the two most important are the font changes and the highlight ruler. I can change fonts to something dyslexia friendly. The ruler helps me stay on the line I'm trying to read. These two things change the blur into words! Tech support has been great when I have had problems!
Firefox userHelperbird user

she has come on leaps in school

Brilliant extension! Have tired it for my daughter and she has come on leaps in school. While there are plenty of free features, the paid ones are only 30 USD a year. Can't recommend this enough.
Gary O'ConnorHelperbird user
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