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Sleeper League Importer

Chrome extension by SleeperBot · Productivity · Tools

  • Established publisher

A Chrome extension in Productivity · Tools with 10 000 users, an established extension.

Specific sites only: 10 match patterns.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
10 000
Rating
3.7 (18 ratings)
Users, last 19 days
+1k
Rating, last 30 days
Not watched long enough to say
Version
0.5.3
Updated in the store
2026-08-15
Published
2026-05-21
Manifest
V3
Browser access
5 permissions, 10 site patterns

How it has moved

Users
+1k since 31.08
9k-10k · 4 readings
2026-09-15: gained the good publisher record badge
  1. 2026-08-319k
  2. 2026-09-0310k
  3. 2026-09-1310k
  4. 2026-09-1810k
Rating
-0.07 since 31.08
reviewsrating 3.72-3.79 · 4 readings
2026-09-15: gained the good publisher record badge
  1. 2026-08-31reviews19rating3.79
  2. 2026-09-03reviews19rating3.79
  3. 2026-09-13reviews18rating3.72
  4. 2026-09-18reviews18rating3.72
Users
+1k since 31.08
9k-10k · 4 readings
2026-09-15: gained the good publisher record badge
  1. 2026-08-319k
  2. 2026-09-0310k
  3. 2026-09-1310k
  4. 2026-09-1810k
Rating
-0.07 since 31.08
reviewsrating 3.72-3.79 · 4 readings
2026-09-15: gained the good publisher record badge
  1. 2026-08-31reviews19rating3.79
  2. 2026-09-03reviews19rating3.79
  3. 2026-09-13reviews18rating3.72
  4. 2026-09-18reviews18rating3.72

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 10 match patterns.

  • https://www.espn.com/*
  • https://fan.api.espn.com/*
  • https://fantasy.espn.com/*
Show the remaining 7
  • https://fantasy.nfl.com/*
  • https://fantasyfootball.nfl.com/*
  • https://lm-api-reads.fantasy.espn.com/*
  • https://nextgenstats.nfl.com/*
  • https://sleeper.com/*
  • https://sleeper.app/*
  • https://api.sleeper.app/*
  • See the address and title of every tab you have open tabs
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • Act on the current tab, but only after you click it activeTab
Show the remaining 2
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Store badges changed

The publisher

SleeperBot.

Like this one

Listings the catalog judges closest in what they say they do.

  1. MustDraft — ESPN League Import Describes nearly the same job, smaller audience 5 users
  2. RedzoneHQ Describes nearly the same job, smaller audience 10 users ★ 5.0
  3. AllMyLeagues ESPN Connector Describes nearly the same job, smaller audience 3 users
  4. LeagueMind ESPN Linker Describes nearly the same job, smaller audience 3 users
  5. The League Times — ESPN Local Importer Describes nearly the same job, smaller audience 4 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.