League Importer

Import ESPN and NFL.com fantasy football league history into Sleeper.

As of June 2026, League Importer has 6 users and a 5.00/5 rating from 1 reviews in the Productivity category.

Usersno change0%
6
6
Ratingno change0%
5.00
1 reviews
Reviewsno change0%
1
Version
0.2.0
Manifest V3
90-day change · In the last 90 days this extension 2 version updates, changed permissions.

History

4 snapshots

Tracking since May 22, 2026.

8.246.54.76May 22, 2026Jun 10, 2026
View as table
DateUsersRatingReviewsVersion
May 22, 20260.1.0
May 28, 20260.1.0
Jun 4, 202655.0010.1.1
Jun 10, 202685.0010.2.0
Now65.0010.2.0

Changelog

  • Jun 4, 2026
    short_description
    Import fantasy football league history into Sleeper.
    Import ESPN and NFL.com fantasy football league history into Sleeper.
  • Jun 4, 2026
    host_permissions
    https://www.espn.com/*, https://fan.api.espn.com/*, https://fantasy.espn.com/*, https://lm-api-reads.fantasy.espn.com/*, https://sleeper.com/*, https://sleeper.app/*, https://api.sleeper.app/*
    https://www.espn.com/*, https://fan.api.espn.com/*, https://fantasy.espn.com/*, https://fantasy.nfl.com/*, https://fantasyfootball.nfl.com/*, https://lm-api-reads.fantasy.espn.com/*, https://sleeper.com/*, https://sleeper.app/*, https://api.sleeper.app/*
  • May 28, 2026
    host_permissions
    https://www.espn.com/*, https://fan.api.espn.com/*, https://fan.api.qa.espnqa.com/*, https://fantasy.espn.com/*, https://lm-api-reads.fantasy.espn.com/*, https://sleeper.com/*, https://sleeper.app/*, https://api.sleeper.app/*
    https://www.espn.com/*, https://fan.api.espn.com/*, https://fantasy.espn.com/*, https://lm-api-reads.fantasy.espn.com/*, https://sleeper.com/*, https://sleeper.app/*, https://api.sleeper.app/*

Permissions & access

Permissions
activeTabsidePanelstoragetabs
Host access
https://www.espn.com/*, https://fan.api.espn.com/*, https://fantasy.espn.com/*, https://fantasy.nfl.com/*, https://fantasyfootball.nfl.com/*, https://lm-api-reads.fantasy.espn.com/*, https://sleeper.com/*, https://sleeper.app/*, https://api.sleeper.app/*

Screenshots

League Importer screenshot 1

About

Import fantasy football league history into Sleeper from other platforms.

(Requires that you already moved to Sleeper and are logged in on both platforms)

Technical

Version
0.2.0
Manifest
V3
Size
223KiB
Min Chrome
116
Languages
1
Featured
No

Metadata

ID
kpcokdpkaepgcefmhmkdinoolobjllcc
Developer ID
u0b064b9aadecb169b1f3870a1829946e
Developer Email
[email protected]
Created
May 21, 2026
Last Updated (Store)
May 30, 2026
Last Scraped
Jun 10, 2026
Website
Support URL

Data sourced from the Chrome Web Store · last verified Jun 10, 2026.