Is GPT Formula safe?

Low risk

GPT Formula exposes an OAuth callback that accepts URL-fragment tokens from any web page and stores them locally.

The extension makes its callback page and scripts available to all websites. That callback reads access_token and refresh_token values from the URL fragment and saves them as authToken and refreshToken in extension localStorage without checking the origin, state, or nonce.

Part of this rating comes from analysis signals we haven't published as detailed findings yet.

Marketsy — Etsy Email Downloaderv5.0.1Chrome Web Store
15Risk
Who publishes it

Schneider Holdings LLC - 2 other listings from the same operator, none carrying a finding

What this publisher told the store about itself, and the other listings that told it the same thing.

Publisher
Marketsy — Etsy Email Downloader
Declared legal entity
Schneider Holdings LLC
Registered address
2170 W Ironwood Center Dr, Coeur d'Alene, ID 83814-2606, US
Registered contact
Cody Schneider

Same store account

2 other listings published from this account, 3k+ users between them, none of them carrying a finding.

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

What it can do

Permissions this extension asks for, as declared in version 5.0.1. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.

  • Read and change your data on gptformula-backend-63108973fea5.herokuapp.com

    https://gptformula-backend-63108973fea5.herokuapp.com/*

  • Read and change your data on stripe.com

    https://*.stripe.com/*

  • Read and change your data on supabase.co

    https://*.supabase.co/*

  • Read and change your data on billing.stripe.com

    https://billing.stripe.com/*

  • Store data in your browser

    storage

  • Write to your clipboard

    clipboardWrite

Updated 30 September 2026kcleeabpbbmbcfgfdhobcincoeliffba