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Flex52

ExtensionEntertainment7 users
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Overview

Sync ESPN and Yahoo fantasy leagues with Flex52, manage ESPN, Yahoo and Sleeper lineups, and automate Sleeper lineup updates.

Flex52 for ESPN, Yahoo & Sleeper Fantasy Your leagues. Your clubhouse. Manage your fantasy teams from Flex52 without constantly switching between sites. Connect your ESPN and Yahoo fantasy leagues, including private leagues, and use the extension to manage supported ESPN, Yahoo and Sleeper team actions directly from Flex52. What it does • Syncs ESPN and Yahoo leagues into Flex52, including team names, standings, rosters and matchups • Keeps connected ESPN and Yahoo leagues updated through automatic syncing • Saves ESPN, Yahoo and Sleeper lineup changes directly from Flex52 • Enables player pickups, drops and waiver claims for ESPN and Sleeper leagues when sign-in sharing is enabled • Enables proposing, accepting, rejecting and canceling trades for ESPN and Sleeper leagues when sign-in sharing is enabled • Supports automatic Sleeper lineup updates before games when enabled • Offers optional ESPN syncing that continues when Chrome is closed Flex52 brings your league together with standings, matchups, rosters, trades, chat and more in one place. Getting started Install the extension and connect your Flex52 account. Sign in to ESPN or Yahoo in the same browser, open your league, and use the extension to sync it. For Sleeper features, connect your league in Flex52 and sign in to Sleeper in the same browser. Enable the relevant sign-in sharing option in the extension to use ESPN or Sleeper pickups, drops, waiver claims and trades from Flex52. Feature availability varies by provider. League rules, player locks and account permissions still apply. Privacy The extension accesses fantasy league data and uses your existing browser sign-in to perform supported actions. When you enable optional sign-in sharing, it sends the required ESPN or Sleeper authentication information to Flex52, where it is stored encrypted to support the features you enable. The extension does not ask you to enter your provider password. Not affiliated with or endorsed by ESPN, Yahoo or Sleeper.

Details

  • Version
    1.1
  • Updated
    October 21, 2026
  • Offered by
    Awesomemase
  • Size
    40.56KiB
  • Languages
    English
  • Developer
    Email
    mwicherts@icloud.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

Flex52 has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Flex52 handles the following:

Personally identifiable information
Authentication information
Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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