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Lumi: AI Bilingual Subtitles, Video Summaries & Q&A

Chrome extension by luckySnail · Productivity · Tools

A Chrome extension in Productivity · Tools with 41 users, barely installed.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 5 screenshots

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

Users
41
Rating
not rated yet
Users, last 16 days
+5
Version
0.0.66
Updated in the store
2026-09-12
Published
2026-06-17
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
+5 since 31.08
34-43 · 7 readings
2026-09-04: released 0.0.642026-09-07: released 0.0.652026-09-12: released 0.0.66
  1. 2026-08-3136
  2. 2026-09-0534
  3. 2026-09-0636
  4. 2026-09-0738released 0.0.65
  5. 2026-09-0942
  6. 2026-09-1343
  7. 2026-09-1541
Users
+5 since 31.08
34-43 · 7 readings
2026-09-04: released 0.0.642026-09-07: released 0.0.652026-09-12: released 0.0.66
  1. 2026-08-3136
  2. 2026-09-0534
  3. 2026-09-0636
  4. 2026-09-0738released 0.0.65
  5. 2026-09-0942
  6. 2026-09-1343
  7. 2026-09-1541

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

Every site you visit. This extension can read and change the content of any page you open.

  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 0.0.66
  2. Version 0.0.65
  3. Version 0.0.64

What changed recently

  1. Released version 0.0.66 (was 0.0.65)
  2. Package size changed
  3. Released version 0.0.65 (was 0.0.64)
Show the remaining 2
  1. Package size changed
  2. Released version 0.0.64 (was 0.0.57)

The publisher

luckySnail publishes 3 listings we track, 120 users between them. Listed website: islumi.com.

  1. light-reader luckySnail · Productivity · Tools · published 2026-03-07 58 users
  2. window resizer plus luckySnail · Productivity · Tools · published 2026-01-25 21 users

Like this one

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

  1. Video Digest AI Describes nearly the same job, smaller audience 8 users ★ 5.0
  2. YouTube Bilibili AI Summarizer（视频字幕摘要器） Describes nearly the same job, smaller audience 76 users ★ 4.0
  3. Bilibili Subtitle to AI Describes nearly the same job, smaller audience 228 users ★ 5.0
  4. Video Assistant Describes nearly the same job, smaller audience 3 users (last published figure)
  5. YouTube Gemini Describes nearly the same job, smaller audience 121 users ★ 5.0

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.